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Christopher Michael Johns-Krull
Professor
Professor in Physics and Astronomy
e-mail:[email protected]
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B.S. in Physics (1989) UT Austin
B.A. in Math (1989) UT Austin
M.A. in Astronomy (1991) UC Berkeley
Ph.D. in Astronomy (1994) UC Berkeley
Primary Department
Department of Physics and Astronomy
Websites
Personal Webpage
Personal homepage
Research Areas
Star formation and early stellar evolution. Solar and stellar magnetic activity. Extra-solar
planets.
Teaching Areas
introductory astronomy, advanced undergraduate and graduate stellar astrophysics,
observational astronomy
Selected Publications
Abstracts
Cauley, P.W. & Johns–Krull, C.M. "Using He I 10830 to Diagnose Mass Flows Around Herbig
Ae/Be Stars." American Astronomical Society Meeting, 225 (2015) : 414.02.
Kowalski, A.F., Hawley, S.L., Johns–Krull, C.M., Schmidt, S.J., Brown, A., Wisniewski, J.P.,
Davenport, J.R.A., Farina, C., Pietro Gentile Fusillo, N., Xilouris, M., Mathioudakis, M., Osten,
R.A., Holtzman, J.A., Phan–Bao, N., Valenti, J.A., & Walkowicz, L. "Time-Resolved NearUltraviolet Flare Spectra with the Hubble Space Telescope / Cosmic Origins
Spectrograph." American Astronomical Society Meeting, 225 (2015) : 449.03.
Ardila, D.R., Herczeg, G., Johns–Krull, C. M., Mathieu, R.D., Vodniza, A., & Tofflemire, B.M.
"Accretion as a function of Orbital Phase in Young Close Binaries." American Astronomical
Society Meeting, 223 (2014) : 424.07.
Ciardi, D.R., Beichman, C.A., Carey, S.J., Crockett, C., Johns–Krull, C.M., Kane, S.R., McLane,
J., Plavchan, P., Prato, L.A., Stauffer, J.R., van Belle, G., Van Eyken, J. C., & von Braun, K.
"Observations of the Pre-Main Sequence Exoplanet Candidate PTFO 8-8695." American
Astronomical Society Meeting, 223 (2014) : 430.03.
Kimock, B., Hamilton, C. M., James, D., & Johns–Krull, C. M. "Rotational Velocities of PMS
Stars In NGC2362." American Astronomical Society Meeting, 223 (2014) : 442.07.
Johns-Krull, Christopher M., Chen, W., Valenti, J. A., Jeffers, S. V., Piskunov, N. E.,
Kochukhov, O., Makaganiuk, V., Stempels, H. C., Snik, F., Keller, C., & Rodenhuis, M. "HARPS
Spectropolarimetry of the Classical T Tauri Stars GQ Lup and TW Hya." American Astronomical
Society Meeting Abstracts, 221: 256.14.
Ardila, David R., Herczeg, G., Gregory, S. G., Ingleby, L., France, K., Brown, A., Edwards, S.,
Linsky, J., Yang, H., Valenti, J. A., Johns-Krull, C. M., Alexander, R., Bergin, E. A., Bethell, T.,
Brown, J., Calvet, N., Espaillat, C., Hervé, A., Hillenbrand, L., Hussain, G., Roueff, E.,
Schindhelm, E., Walter, F. M. "Hot Gas Flows in T Tauri Stars." Bulletin of the American
Astronomical Society, 221 (2013) : 117.04.
Cauley, Paul W., Hartigan, P. M., Johns-Krull, C. M. "Unveiling and Dereddening Classical T
Tauri Stars Using Simultaneous UV and Optical Spectra." Bulletin of the American
Astronomical Society, 221 (2013) : 256.21.
Crockett, Christopher, Mahmud, N., Prato, L. A., Johns-Krull, C. M., Jaffe, D. T., Hartigan, P.
M., Beichman, C. A. "Giant Planet Companions to T Tauri Stars." Bulletin of the American
Astronomical Society, 221 (2013) : 149.02.
Crockett, Christopher, Mahmud, N., Prato, L., Johns-Krull, C., Jaffe, D. T., Hartigan, P.,
Beichman, C. A. "Giant Planet Companions to T Tauri Stars." Bulletin of the American
Astronomical Society, 219 (2012) : 228.04.
Johns-Krull, Christopher M., Benedict, G. F., Mahmud, N., McArthur, B., McCullough, P.,
Valenti, J. A. "Hst Parallax Of XO-3 And Implications For The Structure Of Its Hot
Jupiter." Bulletin of the American Astronomical Society, 219 (2012) : 245.17.
Johns-Krull, Christopher M., Chen, W., Valenti, J. A., Jeffers, S. V., Piskunov, N. E.,
Kochukhov, O., Makaganiuk, V., Stempels, H. C., Snik, F., Keller, C., Rodenhuis, M. "HARPS
Spectropolarimetry of the Classical T Tauri Stars GQ Lup and TW Hya." Bulletin of the
American Astronomical Society, 221 (2013) : 256.14.
Crockett, C., Mahmud, N., Prato, L., et al. 2011, "Searching For The Youngest
Planets With CSHELL," Bulletin of the American Astronomical Society, 43, 253.13
DeRoo, C., Prato, L., Skiff, B., et al. 2011, "Determining Rotational Periods with
Relative Photometry: V836 Tauri & BP Tauri," Bulletin of the American Astronomical
Society, 43, #343.01
Mahmud, N., Crockett, C., Johns-Krull, C., et al. 2011, "Brown Dwarfs and Giant
Planets Around Young Stars," Bulletin of the American Astronomical Society, 43,
#253.14
Sokol, J., Herbst, W., Emery, J.P., et al. 2011, "Near-infrared Spectroscopy of KH
15D," Bulletin of the American Astronomical Society,
43, \#340.01
Brown, A., et al. 2010, Bulletin of the American Astronomical Society, 42, 684
Crockett, C., Mahmud, N., Prato, L., Johns-Krull, C. M., Jaffe, D. T., & Hartigan,
P. 2010, Bulletin of the American Astronomical Society, 42, 286
Herbst, W., LeDuc, K., Hamilton, C. M., Winn, J. N., Ibraghimov, M., Mundt, R., &
Johns-Krull, C. M. 2010, American Astronomical Society Meeting Abstracts, 216,
#422.03
Johns-Krull, C. M., & Valenti, J. A. 2010, Highlights of Astronomy, 15, 524
Burke, C.J. et al. "XO-2b: A Transiting Hot Jupiter in a Metal-rich Common Proper Motion
Binary." , 210 (2007) : 33.02.
Huerta, M., Hartigan, P., Prato, L., Johns-Krull, C.M., Jaffe, D. "A Search for Low Mass
Companions and a New Determination of Effective Temperature for T-Tauri Stars." , 210
(2007) : 36.04.
Jekielek, K., Hamilton, C.M., Johns-Krull, C.M. "Fast Rotators in NGC 2362." , 210 (2007) :
16.08.
Johns-Krull, C.M. et al. "The Unusual Transiting Extra-Solar Planet Orbiting XO-3." , 210
(2007) : 96.05.
Johns-Krull, C.M., Greene, T.P., Doppmann, G., Covey, K.R. "The Magnetic Field of the Class I
Protostar WL 17." , 210 (2007) : 62.17.
Lockhart, K., Johns-Krull, C.M., Stassun, K.G., Mack, C. "Accretion of Classical T Tauri Stars in
the Orion Nebula and NGC 2264." , 210 (2007) : 87.03.
Walkowicz, L., Johns-Krull, C.M., Hawley, S.L. "Characterizing The Near-UV Environment Of M
Dwarfs." , 210 (2007) : 17.05.
Yang, H., Johns-Krull, C.M. "The Magnetic Fields on T Tauri Stars in the Orion Nebula
Cluster." , 210 (2007) : 62.19.
Refereed articles
Ardila, D.R., Johns–Krull, C.M., Herczeg, G.J., Mathieu, R., & Quijano–Vodniza, A.
"Magnetospheric Accretion in Close Pre-Main-Sequence Binaries." The Astrophysical Journal
(2015) In Press
Arulanantham, N.A., Herbst, W., Cody, A.M., Stauffer, J.R., Rebull, L.M., Agol, E., Windemuth,
D., Marengo, M., Winn, J.N., Hamilton, C.M., Mundt, R., Johns–Krull, C.M., & Gutermuth, R.A.
"Seeing Through the Ring: Near-Infrared Photometry of V582 Mon (KH 15D)." The
Astronomical Journal (2015) In Press
Cauley, P.W. & Johns–Krull, C.M. "Investigating the Origin of Hot Gas Lines in Herbig Ae/Be
Stars." The Astrophysical Journal (2015) Submitted
Cauley, P.W. & Johns–Krull, C.M. "Optical Mass Flow Diagnostics in Herbig Ae/Be Stars." The
Astrophysical Journal, 810 (2015) : 5.
Ciardi, D.R., van Eyken, J.C., Barnes, J.W., Beichman, C.A., Carey, S.J., Crockett, C.J.,
Eastman, J., Johns–Krull, C.M., Howell, S.B., Kane, S.R., McLane, J., Plavchan, P., Prato, L.,
Stauffer, J., van Belle, G.T., & von Braun, K. "Confirmation of the Orbital Precession and the
Planetary Status of PTFO 8-8695b: A Jupiter-Mass Planet Orbiting a 3 Myr Old T-Tauri
Star." The Astrophysical Journal, 809 (2015) : 42.
Johns–Krull, C.M., McLane, J.N., Prato, L., Crockett, C.J., Jaffe, D.T., Hartigan, P.M.,
Beichman, C.A., Mahmud, N.I., Chen, W., Skiff, B.A., Cauley, P.W., Jones, J.A., & Mace, G.N.
"A Search for A Young Massive Planet in Orbit Around the T Tauri Star CI Tau." The
Astrophysical Journal (2015) In Revision
Johns–Krull, C.M., Prato, L., McLane, J., Ciardi, D.R., van Eyken, J.C., Chen, W., Stauffer, J.R.,
Beichman, C.A., Frazier, S.A., Boden, A.F., Morales–Calderon, M., & Rebull, L. "H-alpha
Variability in PTFO8-8695 and the Possible Direct Detection of Emission from a 2 Million Year
Old Evaporating Hot Jupiter." The Astrophysical Journal (2015) In Revision
Kochukhov, O., Rusomarov, N., Valenti, J. A., Stempels, H. C., Snik, F., Rodenhuis, M.,
Piskunov, N., Makaganiuk, V., Keller, C. U., Johns-Krull, C. M. "Magnetic field topology and
chemical spot distributions in the extreme Ap star HD 75049." Astronomy & Astrophysics, 574
(2015) : 79.
Cauley, P.W. & Johns–Krull, C.M. "Diagnosing Mass Flows Around Herbig Ae/Be Stars Using
the He I 10830 Line." The Astrophysical Journal, 797 (2014) : 112.
McArthur, B.E., Benedict, G.F., Henry, G.W., Hatzes, A., Cochran, W.D., Harrison, T.E., Johns–
Krull, C., & Nelan, E. "Astrometry, Radial Velocity and Photometry: The HD 128311 System
Remixed with Data from HST, HET, and T12 APT." The Astrophysical Journal, 795 (2014) : 41.
Ardila, David R., Herczeg, Gregory J., Gregory, Scott G., Ingleby, Laura, France, Kevin,
Brown, Alexander, Edwards, Suzan, Johns-Krull, Christopher, Linsky, Jeffrey L., Yang, Hao,
Valenti, Jeff A., Abgrall, Hervé, Alexander, Richard D., Bergin, Edwin, Bethell, Thomas, Brown,
Joanna M., Calvet, Nuria, Espaillat, Catherine, Hillenbrand, Lynne A., Hussain, Gaitee, Roueff,
Evelyne, Schindhelm, Eric R., & Walter, Frederick M. "Hot Gas Lines in T Tauri Stars." The
Astrophysical Journal Supplement Series, 207: 1.
Chen, Wei, & Johns-Krull, Christopher M. "Spectropolarimetry of the Classical T Tauri Star BP
Tau." The Astrophysical Journal, 776: 113.
Johns-Krull, Christopher M., Chen, Wei, Valenti, Jeff A., Jeffers, Sandra V., Piskunov, Nikolai
E., Kochukhov, Oleg, Makaganiuk, V., Stempels, H. C., Snik, Frans, Keller, Christoph, &
Rodenhuis, M. "Magnetically Controlled Accretion on the Classical T Tauri Stars GQ Lupi and
TW Hydrae." The Astrophysical Journal, 765: 11.
Kochukhov, O., Makaganiuk, V., Piskunov, N., Jeffers, S. V., Johns-Krull, C. M., Keller, C. U.,
Rodenhuis, M., Snik, F., Stempels, H. C., & Valenti, J. A. "Are there tangled magnetic fields on
HgMn stars?." Astronomy & Astrophysics, 554: 61.
Rusomarov, N., Kochukhov, O., Piskunov, N., Jeffers, S. V., Johns-Krull, C. M., Keller, C. U.,
Makaganiuk, V., Rodenhuis, M., Snik, F., Stempels, H. C., & Valenti, J. A. "Three-dimensional
magnetic and abundance mapping of the cool Ap star HD 24712 . I. Spectropolarimetric
observations in all four Stokes parameters." Astronomy & Astrophysics, 558: 8.
Cauley, P. Wilson, Johns-Krull, Christopher M., Hamilton, Catrina M., Lockhart, Kelly "Testing
Disk-locking in NGC 2264." The Astrophysical Journal, 756 (2012) : 68.
Crockett, Christopher J., Mahmud, Naved I., Prato, L., Johns-Krull, Christopher M., Jaffe,
Daniel T., Hartigan, Patrick M., Beichman, Charles A. "A Search for Giant Planet Companions
to T Tauri Stars." The Astrophysical Journal, 761 (2012) : 164.
Hamilton, Catrina M., Johns-Krull, Christopher M., Mundt, Reinhard, Herbst, William, Winn,
Joshua N. "Complex Variability of the Hα Emission Line Profile of the T Tauri Binary System KH
15D: The Influence of Orbital Phase, Occultation by the Circumbinary Disk, and Accretion
Phenomena." The Astrophysical Journal, 751 (2012) : 147.
Johns-Krull, C. M., Chen, W., Valenti, J. A., Jeffers, S. V., Piskunov, N. E., Kuchukhov, O.,
Makaganiuk, V., Stempels, H. C., Snik, F., Keller, C., Rodenhuis, M. "Magnetically Controlled
Accretion on the Classical T Tauri Stars GQ Lupi and TW Hydrae." The Astrophysical JournalIn
Press
Makaganiuk, V., Kochukhov, O., Piskunov, N., Jeffers, S. V., Johns-Krull, C. M., Keller, C. U.,
Rodenhuis, M., Snik, F., Stempels, H. C., Valenti, J. A. "Magnetism, chemical spots, and
stratification in the HgMn star ϕ Phoenicis." Astronomy & Astrophysics, 539 (2012) : 142.
Yang, Hao, Herczeg, Gregory J., Linsky, Jeffrey L., Brown, Alexander, Johns-Krull, Christopher
M., Ingleby, Laura, Calvet, Nuria, Bergin, Edwin, Valenti, Jeff A. "A Far-ultraviolet Atlas of
Low-resolution Hubble Space Telescope Spectra of T Tauri Stars." The Astrophysical Journal,
744 (2012) : 121.
France, K., Schindhelm, E., Burgh, E.B., et al. 2011, "The Far-ultraviolet
"Continuum" in Protoplanetary Disk Systems. II. Carbon Monoxide Fourth Positive
Emission and Absorption," ApJ, 734, 31
Kochukhov, O., Makaganiuk, V., Piskunov, N., et al.\ 2011, "No magnetic field in
the spotted HgMn star μ Leporis," A&A, 534, L13
Mahmud, N.I., Crockett, C.J., Johns-Krull, C.M., et al. 2011, "Starspot-induced
Optical and Infrared Radial Velocity Variability in T Tauri Star Hubble I 4," ApJ,
736, 123
Yang, H., Herczeg, G.~J., Linsky, J.~L., et al. 2012, "A Far-ultraviolet Atlas of
Low-resolution Hubble Space Telescope Spectra of T Tauri Stars," ApJ, in press
Makaganiuk, V., Kochukhov, O., Piskunov, N., et al. 2011, "Chemical spots in the
absence of magnetic field in the binary HgMn star 66 Eridani," A&A, 529, A160
Piskunov, N., Snik, F., Dolgopolov, A., et al. 2011, "HARPSpol — The New
Polarimetric Mode for HARPS," The Messenger, 143, 7
Ingleby, L., Calvet, N., Bergin, E., et al. 2011, "Near-ultraviolet Excess in
Slowly Accreting T Tauri Stars: Limits Imposed by Chromospheric Emission," ApJ,
743, 105
Makaganiuk, V., Kochukhov, O., Piskunov, N., et al. 2011, "Magnetism, chemical
spots, and stratification in the HgMn star phi Phoenicis," arXiv:1111.6065
Chen, W. and Johns-Krull, C.M. 2012, "Spectropolarimetry of the Classical T Tauri Star BP
Tauri," ApJ, submitted
Crockett, C.J., Mahmud, N.I., Prato, L., et al. 2011, "Precision Radial Velocities
with CSHELL," ApJ, 735, 78
Hamilton, C.M., Johns-Krull, C.M., Mundt, R., et.al. 2012, "Complex Variability of the Hα
Emission Line Profile of the T Tauri Binary System KH 15D: The Influence of Orbital Phase,
Occultation by the Circumbinary Disk, and Accretion Phenomenae," ApJ, submitted
Kochukhov, O., Makaganiuk, V., Piskunov, N., et al. 2011, "First Detection of
Linear Polarization in the Line Profiles of Active Cool Stars," ApJL, 732, L19
Makaganiuk, V., Kochukhov, O., Piskunov, N., et al. 2011, "The search for magnetic
fields in mercury-manganese stars," A&A, 525, A97
Yang, H., & Johns-Krull, C.M. 2011, "Magnetic Field Measurements of T Tauri Stars
in the Orion Nebula Cluster," ApJ, 729, 83
Machalek, P., Greene, T., McCullough, P. R., Burrows, A., Burke, C. J., Hora, J.
L., Johns-Krull, C. M., & Deming, D. L. 2010, ApJ, 711, 111
Burke, C. J., et al. 2010, ApJ, 719, 1796
Crockett, C., Mahmud, N., Prato, L., Johns-Krull, C. M., Jaffe, D., & Beichman, C. 2011, ApJ,
submitted
Herbst, W., LeDuc, K., Hamilton, C. M., Winn, J. N., Ibrahimov, M., Mundt, R., &
Johns-Krull, C. M. 2010, AJ, 140, 2025
Lawler, S. M., Herbst, W., Redfield, S., Hamilton, C. M., Johns-Krull, C. M., Winn,
J. N.,
Johnson, J. A., & Mundt, R. 2010, ApJ, 711, 1297
Magaganiuk, V. et al. 2011, A&A, submitted
Makaganiuk, V., et al. 2011, A&A, in press.
Mundt, R., Hamilton, C. M., Herbst, W., Johns-Krull, C. M., & Winn, J. N. 2010, ApJ
Letters, 708, L5
Yang, H. & Johns-Krull, C. M. 2011, ApJ, in press
Johns–Krull, C.M., Greene, T.P., Doppmann, G.W., and Covey, K.R. 2009 “First Detection of a
Magnetic Field on a Class I Protostar” in, Astrophys. J., 700, 1440.
Lawler, S.M., Herbst, W., Redfield, S., Hamilton, C.M., Johns–Krull, C.M., Winn, J.N., Johnson,
J.A., and Mundt, R. 2010 “Gas Absorption in the KH 15D System: Further Evidence for Dust
Settling in the Circumbinary Disk” in, Astrophys. J., submitted.
Machalek, P., Greene, T., McCullough, P.R., Burrows, A., Burke, C.J., Hora, J.L., Johns–Krull,
C.M., and Deming, D.L. 2010 “Thermal Emission and Tidal Heating of the Heavy and Eccentric
Planet XO-3b” in, Astrophys. J., in press.
Machalek, P., McCullough, P.R., Burrows, A., Burke, C.J., Hora, J.L., and Johns– Krull, C.M.
2009 “Detection of Thermal Emission of XO-2b: Evidence for a Weak Temperature Inversion”
in, Astrophys. J., 701, p. 514.
Mundt, R., Hamilton, C.M., Herbst, W., Johns–Krull, C.M., and Winn, J.N. 2010 “Bipolar Jets
Produced by a Spectroscopic Binary” in, Astrophys. J. Lett., 708, L5.
Phan-Bao, N., Lim, J., Donati, J.-F., Johns–Krull, C.M., and Martin, E.L. 2009, “Magnetic Field
Topology in Low-Mass Stars: Spectropolarimetric Observations of M Dwarfs” in, Astrophys. J.,
704, p. 1721.
Prato, L., Lockhart, K.E., Johns–Krull, C.M., and Rayner, J.T. 2009 “Stellar and Circumstellar
Properties of Class I Prototstars” in, Astronom. J., 137, 3931.
Berger, E. et al. "Simultaneous Multi-Wavelength Observations of Magnetic Activity in
Ultracool Dwarfs. I. The Complex Behavior of the M8.5 Dwarf TVLM513-46546." The
Astrophysical Journal (2008) : 1080-1087.
Berger, E. et al. "Simultaneous Multi-Wavelength Observations of Magnetic Activity in
Ultracool Dwarfs. II. Mixed Trends in VB10 and LSR1835+32 and the Possible Role of
Rotation." The Astrophysical Journal (2008) : 1307-1318.
Burke, C.J. et al. "XO-5b: A Transiting Jupiter-sized Planet with a Four Day Period." The
Astrophysical Journal, 686 (2008) : 1331-1340.
Herbst, W., Hamilton, C.M., LeDuc, K., Winn, J.E., Johns-Krull, C.M., Mundt, R., & Ibrahimov,
M. "Reflected Light from Sand Grains in the Terrestrial Zone of a Protoplanetary Disk." Nature,
452 (2008) : 194-197.
Huerta, M., Johns-Krull, C.M., Prato, L., Hartigan, P., Jaffe, D.T. "Star Spot Induced Radial
Velocity Variability in LkCa 19." The Astrophysical Journal (2008) : 472-482.
Johns-Krull, C.M. et al. "XO-3b: A Massive Planet in an Eccentric Orbit Transiting an F5V
Star." The Astrophysical Journal (2008) : 657-670.
Johns-Krull, C.M., Greene, T.P., Doppmann, G.W., & Covey, K.R. "First Detection of a
Magnetic Field on a Class I Protostar." The Astrophysical Journal (2008) Submitted
McCullough, P.R. et al. "XO-4b: An Extrasolar Planet Transiting an F5V Star." The
Astrophysical Journal (2008) In Press
Prato, L., Huerta, M., Johns-Krull, C.M., Mahmud, N., Jaffe, D.T., & Hartigan, P. "A Young
Planet Search in Visible and IR Light: DN Tau, V836 Tau, and V827 Tau." The Astrophysical
Journal, 687 (2008) : L103-L106.
Prato, L., Lockhart, K.E., Johns-Krull, C.M., & Rayner, J.T. "Stellar and Circumstellar Properties
of Class I Protostars." The Astronomical Journal (2008) Submitted
Walkowicz, L., Johns-Krull, C.M., Hawley, S.L. "Characterizing the Near-UV Environment of M
Dwarfs." The Astrophysical Journal (2008) : 593-606.
Winn, J.N. et al. "The Transit Light Curve Project. IX. Evidence for a Smaller Radius of the
Exoplanet XO-3b." The Astrophysical Journal, 683 (2008) : 1076-1084.
Yang, H., Johns-Krull, C.M., & Valenti, J.A. "Magnetic Properties of Young Stars in the TW
Hydrae Association." The Astronomical Journal, 136: 2286-2294.
Burke, C.J. et al. "XO-2b: Transiting Hot Jupiter in a Metal-rich Common Proper Motion
Binary." The Astrophysical Journal, 671 (2007) : 2115-2128.
Johns-Krull, C.M. "The Magnetic Fields of Classical T Tauri Stars." The Astrophysical Journal,
664 (2007) : 975-985.
Johns-Krull, C.M. & Herczeg, G.J. "How Hot is the Wind from TW Hydrae?." The Astrophysical
Journal, 655 (2007) : 345-350.
Yang, H., Johns-Krull, C.M., Valenti, J.A. "Spectropolarimetry of the Classical T Tauri Star TW
Hydrae." The Astronomical Journal, 133 (2007) : 73-80.
Bean, J.L., Sneden, C., Hauschildt, P.H., Johns-Krull, C.M., & Benedict, G.F. "Accurate M Dwarf
Metallicities from Spectral Synthesis: A Critical Test of Model Atmospheres." The Astrophysical
Journal, 652 (2006, December) : 1604-1616.
Brown, J.C., Emslie, A.G., Holman, G.D., Johns-Krull, C.M., Kontar, E.P., Lin, R.P., Massone,
A.M., and Piana, M. "Evaluation of Algorithms for Reconstructing Electron Spectra from their
Bremsstrahlung Hard X-ray Spectra." The Astrophysical Journal, 643 (2006, May) : 523-531.
Daou, A.G., Johns-Krull, C.M., and Valenti, J.A. "Spectropolarimetry of the Classical T Tauri
Star T Tauri." The Astronomical Journal, 131 (2006, January) : 520-526.
Herczeg, G.J., Linsky, J.L., Walter, F.M., Gahm, G.F., & Johns-Krull, C.M. "The Origins of
Fluorescent H2 Emission From T Tauri Stars." The Astrophysical Journal Supplement Series,
165 (2006, July) : 256-282.
McCullough, P.R., Stys, J.E., Valenti, J.A., Johns-Krull, C.M., Janes, K.A., Heasley, J.N., Bye,
B.A., Dodd, C., Fleming, S.W., Pinnick, A., Bissinger, R., Gary, B.L., Howell, P.J., &
Vanmunster, T. "A Transiting Planet of a Sun-like Star." The Astrophysical Journal, 648 (2006,
Spetember) : 1228-1238.
Osten, R.A., Hawley, S.L., Allred, J., Johns-Krull, C.M., Brown, A., & Harper, G.M. "From Radio
to X-Ray: The Quiescent Atmosphere of the dMe Flare Star EV Lacertae." The Astrophysical
Journal, 647 (2006, August) : 1349-1374.
Berger, E. et al. "The Magnetic Properties of an L Dwarf Derived from Simultaneous Radio, XRay, and Halpha Observations." The Astrophysical Journal, 627 (2005) : 960-973.
Garcia-Alvarez, D., Johns-Krull, C.M., Doyle, J.G., Ugarte-Urra, I., Madjarska, M.S., and
Butler, C. J. "Optical and EUV Observations of Solar Flare Kernels." Astronomy & Astrophysics,
444 (2005) : 593-603.
Herczeg, G.J. et al. "The Loopy Ultraviolet Line Profiles of RU Lupi: Accretion, Outflows, and
Fluorescence." The Astronomical Journal, 129 (2005) : 2777-2791.
Johns-Krull, C. M., Valenti, J. A., and Saar, S. H. "Testing the Reality of Strong Magnetic Fields
on T Tauri Stars: The Naked T Tauri Star Hubble 4." The Astrophysical Journal, 617 (2004) :
1204-1215.
Osten, R. A., Hawley, S. L., Allred, J. C., Johns--Krull, C. M., and Roark, C. "From Radio to Xray: Flares on the dMe Flare Star EV Lacertae." The Astrophysical Journal, 621 (2005) : 398416.
Yang, H., Johns-Krull, C.M., and Valenti, J.A. "Measuring the Magnetic Field of the Classical T
Tauri Star TW Hydrae." The Astrophysical Journal, 635 (2005) : 635.
Articles
Johns-Krull, C.M. "Astrophysics: Secret ingredient exposed." Nature, 514 (2014) : 571.
Johns–Krull, C.M. 2009, “Astrophysics: Magnetic bond” in, Nature, 457, 158
Bercik, D. J., Fisher, G. H., Johns--Krull, C. M., and Abbett, W. P. "Turbulent Dynamos and the
Minimum X-Ray Flux in Main Sequence Stars." The Astrophysical Journal, 631 (2005) : 529539.
Book chapters
Bouvier, J., Alencar, S.H.P., Harries, T.J., Johns-Krull, C.M., & Romanova, M.M.
"Magnetospheric Accretion in Classical T Tauri Stars." Protostars and Planets V (2007) : 479494.
Refereed conference papers
Johns–Krull, C.M. & Cauley, P.W. "Observational Tests of Magnetospheric Accretion Models in
Young Stars." European Physical Journal Web of Conferences, 64 (2014) : 8003.
Conference papers
van Eyken, J. C., Ciardi, D. R., Barnes, J. W., Brown, T. M., Dragomir, D., Eastman, J.,
Beichman, C. A., Belle, G. v., Braun, K. v., Carey, S., Crockett, C., Fortney, J. J., Howell, S.
B., Jackson, B. K., Johns–Krull, C., Kane, S. R., Lister, T., Mazin, B., McLane, J., Plavchan, P.,
Prato, L., Shporer, A., Stauffer, J. R. "PTFO 8-8695b: An Extremely Young T-Tauri-Transiting
Planet." Search for Life Beyond the Solar System. Exoplanets, Biosignatures & Instruments
(2014) : 57.
Chen, Wei, Johns-Krull, Christopher "Spectropolarimetry of the classical T Tauri star BP
Tauri." AIP Conference Proceedings, 1429 (2012) : 39.
Hartigan, Patrick, Johns-Krull, Christopher M., Scowen, Paul "Inferring Rotation Periods of
Young Stars from Synoptic Observations." Proceedings of the International Astronomical
Union, IAU Symposium, 285 (2012) : 327.
Johns-Krull, C. M., Valenti, J. A., Jeffers, S. V., Piskunov, N. E., Kochukhov, O., Keller, C.,
Snik, F., Rodenhuis, M., Makaganiuk, V., Stempels, H. "HARPS spectropolarimetry of classical
T Tauri stars." AIP Conference Proceedings, 1429 (2012) : 43.
Makaganiuk, V., Kochukhov, O., Piskunov, N., et al. 2011, "The search for magnetic
fields in mercury-manganese stars," IAU Symposium, 272, 202
Snik, F., Kochukhov, O., Piskunov, N., et al. 2011, "The HARPS Polarimeter," Solar
Polarization 6, 437, 237
Chen, W., & Johns-Krull, C.M. 2011, "Magnetic Field Measurements of the Classical T Tauri
Star BP Tauri," ASP Conf. Series, 448, 285
Crockett, C.J., Mahmud, N, Prato, L., et.al. 2011, "Finding the Youngest Planets," ASP Conf.
Series, 448, 53
Kochukhov, O., Snik, F., Piskunov, N., et. al. 2011, "New Insights into Stellar Magnetism from
the Spectropolarimetry in All Four Stokes Parameters," ASP Conf. Series, 448, 245
Snik, F., et al. 2010, arXiv:1010.0397
Ardila, D.R. & Johns–Krull, C.M. 2009, “A Consistent Model of the Accretion Shock Region in
Classical T Tauri Stars” in, 15th Cambridge Workshop on Cool Stars, Stellar Systems, and the
Sun, AIP Conf. Series, 1094, 309.
Hamilton, C. M., Johns-Krull, C. M., Mundt, R., Herbst, W., & Winn, J. N. 2009, “Probing the
size of a magnetosphere of a young solar-like star” in, Cosmic Magnetic Fields: From Planets,
to Stars and Galaxies, IAUS, 259, 413.
Hamilton, C.M., Cressotti, F.J., & Johns–Krull, C.M. 2009, “Rotation in NGC 2362: Examining
the Role of Disk-Locking at 5 Myr” in, 15th Cambridge Workshop on Cool Stars, Stellar
Systems, and the Sun, AIP Conf. Series, 1094, 361.
Johns–Krull, C.M. 2009, “Hot Inner Winds From T Tauri Stars” in, Protostellar Jets in Context,
T. Ray, K. Tsinganos, and M. Stute (eds.), (Springer: Heidelberg), p. 33.
Johns–Krull, C. M. 2009, “Measuring T Tauri Star Magnetic Fields” in, Cosmic Magnetic Fields:
From Planets, to Stars and Galaxies, IAUS 259, 345.
Johns–Krull, C.M. 2009, “Observations of Magnetic Fields on Late-Type Stars and Brown
Dwarfs” in, 5th Solar Polarization Workshop, ASP Conf. Series, 405, 485.
Yang, H. & Johns–Krull, C.M. 2009, “Magnetic Fields of the T Tauri Stars in the Orion Nebula
Cluster” in, 15th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, AIP Conf.
Series, 1094, 736.
Johns-Krull, C.M. "Photospheric Magnetic Field Measurements on Late-Type Stars and Brown
Dwarfs." ASP Conference Series, 384 (2008) : 145-154.
Prato, L., Huerta, M., Johns-Krull, C.M., Hartigan, P., & Jaffe, D.T. "Surveying the Youngest
Stars for the Youngest Substellar Companions." ASP Conference Series, 398 (2008) : 349.
Snik, F., Jeffers, S., Keller, C., Piskunov, N., Kochukhov, O., Valenti, J., & Johns-Krull, C. "The
upgrade of HARPS to a full-Stokes high-resolution spectropolarimeter." Proceedings of the
SPIE, Volume 7014, 7014 (2008) : 70140O-70140O-10.
Daou, A., Johns-Krull,C. M., and Valenti, J. A. "Spectropolarimetry of the Classical T Tauri Star
T Tau." Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems, and the
Sun, 560 (2005) : 499-502.
Johns-Krull, C. M. and Anderson, J. A. "A New Parallax Measurement for the Pleiades Star
Cluster." Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems, and
the Sun, 560 (2005) : 683-687.
Johns-Krull, C. M. and Valenti, J. A. "Magnetic Field Measurements for Cool
Stars." Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar Systems, and the
Sun, 560 (2005) : 261-270.
Yang, H., Johns-Krull, C. M., and Valenti, J. A. "Measuring the Magnetic Field on the Classical
T Tauri Star TW Hydrae." Proceedings of the 13th Cambridge Workshop on Cool Stars, Stellar
Systems, and the Sun, 560 (2005) : 1043-1046.
Other
France, Kevin, Beasley, Matthew, Ardila, David R., Bergin, Edwin A., Brown, Alexander, Burgh,
Eric B., Calvet, Nuria, Chiang, Eugene, Cook, Timothy A., Désert, Jean-Michel, Ebbets, Dennis,
Froning, Cynthia S., Green, James C., Hillenbrand, Lynne A., Johns-Krull, Christopher M.,
Koskinen, Tommi T., Linsky, Jeffrey L., Redfield, Seth, Roberge, Aki, Schindhelm, Eric R.,
Scowen, Paul A., Stapelfeldt, Karl R., Tumlinson, Jason "From Protoplanetary Disks to
Extrasolar Planets: Understanding the Life Cycle of Circumstellar Gas with Ultraviolet
Spectroscopy." (2012)
Presentations
Conference Committee Member
Co-Author and PhD Thesis Advisor. "The Magnetic Fields on T Tauri Stars in the Orion Nebula
Cluster." 15th Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, St. Andrews,
Scotland. (July 21-25, 2008) With H. Yang
Invited Papers
Co-Author. "Star-Disk Interaction and Magnetospheric Accretion in Classical T Tauri Stars."
Protostars and Planets V, Waikoloa Village, HI. (October 24-28, 2005) With J. Bouvier, S.
Alencar, T. Harries, and M. Romanova
Invited Talks
Invited Speaker. ""Astronomy & Astrophysics at Rice University"." Building Astronomy in
Texas, College Station, TX. (September 26, 2015)
Invited Speaker. ""Magnetic Fields on Young Stars and Their Role in Accretion and Disk
Locking"." Star & Planet Formation in the Southwest, The Biosphere, AZ. (March 23, 2015)
Colloquium Speaker. ""Searching for Planets Around the Youngest Stars"." Space Telescope
Science Institute, Baltimore, MD. (November 11, 2015)
Speaker. "Why Is It So Dry? Looking for the Origin of the Brown Dwarf Desert." University of
Houston Clear Lake, Houston, TX. (January 30, 2014)
Speaker. "Observational Tests of Magnetospheric Accretion Models in Young Stars."
Colloquium Speaker at Lowell Observatory, Flagstaff, Arizona. (May 8, 2013)
Speaker. "Observational Tests of Magnetospheric Accretion Models in Young Stars." Invited
Speaker at Conference: Physics at the Magnetospheric Boundary, Geneva, Switzerland. (June
27, 2013)
Speaker. "Observational Tests of Magnetospheric Accretion Models in Young Stars."
Colloquium Speaker at Stony Brook University, Stony Brook, New York. (April 24, 2013)
Speaker. "Why is it so Dry? Looking for the Origin of the Brown Dwarf Desert." Colloquium
Speaker at Rochester Institute of Technology, Rochester, New York. (April 22, 2013)
Speaker. "Magnetism and Low Mass Companions of Young Stars." University of Colorado,
Boulder, CO. (July 14, 2012)
Speaker. "Science Drivers for Future Ultraviolet Studies of Young Stellar Objects." UV
Astronomy: HST and Beyond, Kauai, Hawaii. (June 21, 2012)
Speaker. "Magnetic Fields on Young Stars and Their Role in Accretion and Disk Locking."
Transport Processes and Accretion in YSOs, Ringberg Castle, Germany. (February 7, 2011)
Invited Speaker. "Exploring the Planet Forming Environments of Young Suns." McDonald
Observatory Board of Visitors 2010 July Meeting, McDonald Observatory, Fort Davis, TX. (July
17, 2010)
Invited Speaker. "Exploring the Planet Forming Environments of Young Suns." IGRINS
Science Workshop, Seoul National University, Seoul, Korea. (August 26, 2010)
Invited Speaker. "Magnetospheric Accretion onto the Classical T Tauri Star BP Tauri."
Magnetic Fields: From Core Collapse to YSOs, London, Ontario, Canada. (May 18, 2010)
Invited Speaker. "Photospheric Magnetic Field Measurements on Late-Type Stars and Brown
Dwarfs." Cosmic Magnetism: From Stellar to Intergalactic Scales, Kiama, Australia. (June 7,
2010)
Invited Speaker. "Properties of Young Stars and Their Disks and Implications for Exoplanets."
University of Central Florida Winter Workshop, Orlando Florida. (January 7, 2010)
"Looking for Planets in the First 3 MillionYears." (March 5, 2009)
"Measuring Magnetic Fields on Young Stars." (August 4, 2009)
"Searching for Brown Dwarfs and Giant Planets in the First 3 Million Years." (September 16,
2009)
Invited speaker. "Hot Inner Winds from T Tauri Stars." Protostellar Jets in Context, Rhodes,
Greece. (July 7, 2008)
Invited speaker. "Measuring T Tauri Stars Magnetic Fields." IAUS 259: Cosmic Magnetic
Fields, Tenerife, Spain. (November 5, 2008)
Invited speaker. "Magnetic Fields on Late-Type Stars and Brown Dwarfs." 5th Solar
Polarization Workshop, Ascona, Switzerland. (September 21, 2007)
Invited speaker. "Measurements of Magnetic Fields on Young Stars." IAU Symposium 243:
Star-Disk Interaction in Young Stars, Grenoble, France. (May 21, 2007)
Johns-Krull, C.M. 2006, 14th Cambridge Workshop on Cool Stars, Stellar Systems, and the
Sun, G. van Belle (ed.), ASP Conf. Series, in press
Speaker. "Critical Tests of Magnetospheric Accretion Theory." From Disks to Planets: New
Observations, Models, and Theories, Pasadena, CA. (March 7-10, 2005)
Colloquium Speaker. "The Magnetic Fields of Young Stars and Turbulent Dynamos." High
Altitude Observatory, Boulder, CO. (February 9, 2005)
Keynote Speaker
"Wandering in the Brown Dwarf Desert." (April 18, 2009)
Invited speaker. "New Puzzles on the Formation of Giant Planets." North Houston Astronomy
Club, Kingwood, TX. (February 22, 2008)
Invited Speaker at HCC Astronomy Education Event. "Current Issues in Low Mass Star
Formation." Houston Community College, Houston, TX. (March 4, 2006)
Invited Speaker. "Current Issues in Low Mass Star Formation." North Houston Astronomy
Club, Kingwood, TX. (January 27, 2006)
Lectures
Speaker. "Stars, Planets, & Life." Outreach Speaker at River Oaks Elementary School,
Houston, Texas. (January 29, 2013)
Co-author on presentation. "Giant Planet Companions to T Tauri Stars." 219th Meeting of the
American Astronomical Society, Austin, TX. (January 10, 2012) With Crockett, Christopher,
Mahmud, N., Prato, L., Jaffe, D. T., Hartigan, P., Beichman, C. A.
Speaker. "Magnetic Fields on Young Stars and Their Role in Accretion and Disk Locking."
Astronomy Dept. UT Austin, Austin, TX. (January 28, 2011)
Posters
Lead author and poster presenter. ""Hα Variability in PTFO8-8695 and the Possible Direct
Detection of Emission from a 2 Myr Old Evaporating Hot Jupiter"." Gordon Research
Conference on Origins of Solar Systems, Mt. Holyoke College. (June 28 - July 3, 2015)
Presenter. "HARPS Spectropolarimetry of the Classical T Tauri Stars GQ Lup and TW Hya."
Poster at 221st Meeting of the American Astronomical Society, Long Beach, California.
(January 8, 2013) With Chen, W., Valenti, J. A., Jeffers, S. V., Piskunov, N. E., Kochukhov, O.,
Makaganiuk, V., Stempels, H. C., Snik, F., Keller, C., & Rodenhuis, M.
Lead presenter. "Hst Parallax Of XO-3 And Implications For The Structure Of Its Hot Jupiter."
219th Meeting of the American Astronomical Society, Austin, TX. (January 10, 2012) With
Benedict, G. F., Mahmud, N., McArthur, B., McCullough, P., Valenti, J. A.
"HARPS Spectropolarimetry of Young Stars." (June 27-29, 2011)
Co-Author. "Rotation in NGC 2362: Examining the Role of Disk- Locking at 5 Myr." 15th
Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, St. Andrews, Scotland.
(July 21-25, 2008) With C. M. Hamilton-Drager
Huerta, M., Prato, L., Hartigan, P., Johns-Krull, C.M., & Jaffe, D. 2005, Bulletin of the
American Astronomical Society, Vol. 37, p.1267
Lockhart, K.E., Johns-Krull, C.M., & Hamilton, C.M. 2005, Bulletin of the American
Astronomical Society, Vol. 37, p.1285
Johns-Krull, C.M. & Valenti, J.A. 2005, Bulletin of the American Astronomical Society, Vol. 37,
p.1284
Yang, H. Johns-Krull, C.M., & Valenti, J.A. 2006, 14th Cambridge Workshop on Cool Stars,
Stellar Systems, and the Sun, G. van Belle (ed.), ASP Conf. Series, in press
Hamilton, C.M., Bushong, K., & Johns-Krull, C.M. 2006, 14th Cambridge Workshop on Cool
Stars, Stellar Systems, and the Sun, G. van Belle (ed.), ASP Conf. Series, in press
Johns-Krull, C.M., Greene, T., Doppmann, G., & Covey, K. 2006, 14th Cambridge Workshop
on Cool Stars, Stellar Systems, and the Sun, G. van Belle (ed.), ASP Conf. Series, in press
Ramkumar, B. & Johns-Krull, C.M. 2005, Bulletin of the American Astronomical Society, Vol.
37, p.1285
Hawks, E.L., Johns-Krull, C.M., & Hamilton, C.M. 2005, Bulletin of the American Astronomical
Society, Vol. 37, p.1284
Lead author. "Magnetic Field Measurements on T Tauri Stars: Testing Magnetospheric
Accretion Theory." Protostars and Planets V, Waikoloa Village, HI. (October 24-28, 2005) With
J. valenti
Co-author. "Resolving an Accretion Flow: H-alpha Line Profiles of KH 15D." Protostars and
Planets V, Waikoloa Village, HI. (October 24-28, 2005) With C. Hamilton, W. Herbst, J. Winn,
R. Mundt, C. Bailer-Jones
Directed research of H. Yang. "The Magnetic Field of TW Hydrae." Protostars and Planets V,
Waikoloa Village, HI. (October 24-28, 2005) With H. Yang and J. Valenti
Seminar Speaker
Seminar Speaker. ""Observations(?) of Star-Planet Interactions"." Rice University, Houston,
TX. (September 23, 2015)
Seminar Speaker. ""PTFO8-8695: A 2 Myr Old Evaporating Hot Jupiter?"." Rice University,
Houston, TX. (January 21, 2015)
Speaker. "A New Parallax Measurement fo the Pleiades Open Cluster." Astronomy Seminar
Speaker at Rice University, Houston, Texas. (September 11, 2013)
Speaker. "Why is it so Dry? Looking for the Origin of the Brown Dwarf Desert." Astronomy
Seminar Speaker at Rice University, Houston, Texas. (February 6, 2013)
Speaker. "TORRE, NSF Portfolio Review, and the Future of UV Astronomy." Rice University,
Houston, TX. (August 29, 2012)
Speaker. "HARPS Spectropolarimetry of Classical T Tauri Stars." Rice University, Houston, TX.
(September 7, 2011)
"Searching for Brown Dwarfs and Giant Planets in the First 3 Million Years." (April 20, 2009)
colloquium speaker. "The Magnetic Fields of T Tauri Stars." Max-Planck-Institut f|r
Astronomie, Heidelberg, Germany. (June 28, 2006)
Speaker. "Probing the Electron Distribution Function in Solar Flares Through Hard X-ray
Bremsstrahlung Spectral Inversion." Space Sciences Laboratory, UC Berkeley, Berkeley, CA.
(May 31, 2005)
Editorial Positions
Editor, Proceedings of the 16th Cambridge Workshop on Cool Stars, Stellar Systems, and the
Sun. Astronomical Society of the Pacific. (2010 - 2010)
Editor, Proceedings of the 16th Cambridge Workshop on Cool Stars, Stellar Systems, and the
Sun. Astronomical Society of the Pacific. (2011 - 2011)
Supervised Theses & Dissertations
Seiji Yamamoto, Masters Fermi surface and antiferromagnetism in the Kondo lattice: an
asymptotically exact solution in d>1 Dimensions. (2006) (Committee Member)
Jianhang Zhou, Masters Construction of a New Detector, and Clibration Strategies, for Start
Timing in the STAR Experiment at RHIC. (2006) (Committee Member)
Jacob Bean, PhD M Dwarf Metallicities and Exoplanets. (2007) (Committee Member)
Yang Song, Masters On the Relationship Between Kinetic and Fluid Formalisms for Convection
in the Inner Magnetosphere. (2007) (Committee Member)
Chris Wells, Masters Master's Thesis. (2007) (Committee Member)
Lucianne Walkowicz, Ph.D. Self-Consistent Quiescent Model Atmospheres for M Dwarfs.
(2008) (Committee Member)
Naved Mahmud, Masters Using Resolved Galaxies in Hubble Space Telescope Images to
Measure Absolute Proper Motions. (2008) (Thesis or Dissertation Director)
Hao Yang, Ph.D. The Magnetic Fields of Young Stars. (2008) (Thesis or Dissertation Director)
Casey Patrick Deen, PhD An Investigation of the Physical Parameters of Young Stellar Objects.
(2011) (Committee Member)
Wei Chen, Masters Spectropolarimetry of the Classical T Tauri Star BP Tauri. (2011) (Thesis or
Dissertation Director)
Ke-Feng Xin, Masters Properties of Dihadron Correlations for p+p Collisions at
sqrt(S_NN)=200 GeV. (2012) (Committee Member)
Naved Imran Mahmud, PhD A Radial Velocity Survey for Substellar Companions of T Tauri
Stars. (2012) (Thesis or Dissertation Director)
Paul Wilson Cauli, Masters Testing Magnetospheric Accretion Theories in NGC 2264. (2012)
(Thesis or Dissertation Director)
Tzu-Lin Sun, MS Why hydrocarbon-cross-linked peptides are membrane permeable. (2012)
(Committee Member)
Michael W Eastwood, BS Characterizing T Tauri Star Variability with Simultaneous Photometric
and Spetroscopic Observations. (2012) (Thesis or Dissertation Director)
Steven Silverberg, BS Magnetic Field Variability of dMe Stars. (2013) (Thesis or Dissertation
Director)
Steven M. Silverberg, BS Rotational Velocity Measurements and Magnetic Field Modeling on Mdwarf Stars. (2013) (Thesis or Dissertation Director)
Kathryn Powell, BS Dynamical Stability of Kepler's Multi-Planet Systems. (2013) (Thesis or
Dissertation Director)
Katya S Arquilla, BS Halpha Variability of the Young Star CI Tau. (2014) (Thesis or
Dissertation Director)
Naved I Mahmud, PhD The Origin of the Brown Dwarf Desert. (2014) (Thesis or Dissertation
Director)
Wei Chen, PhD The Magnetic Field Geometry of Young Stars. (2014) (Thesis or Dissertation
Director)
Paul Wilson Cauley, Ph.D. Diagnosing Mass Flows in Herbig Ae/Be Stars. (2014) (Thesis or
Dissertation Director)
Andy S Liao, MS Numerical Simulation of an Experimental Analogue of a Planetary
Magnetosphere. (2015) (Committee Member)
Wei Chen, Ph.D. Magnetic Fields and Accretion on T Tauri Stars. (2015) (Thesis or Dissertation
Director)
Matthew B Weller, PhD On the Evolution of Planets: From Convective Bi-stability to Volcanic
Edifice Instability. (2015) (Committee Member)
Paul Wilson Cauley, PhD A Critical Evaluation of the Role of Magnetospheric Accretion and Disk
Locking in Intermediate Mass Protostars. (2015) (Thesis or Dissertation Director)
Landon Blair, BS The X-ray Emission of Young Stars. (2015) (Thesis or Dissertation Director)
Awards, Prizes, & Fellowships
Brown College Distinguished Faculty Associate, Brown College, Rice University (March 20,
2014)
Brown College Distinguished Faculty Associate, Brown College, Rice University (March 20,
2014)
Distinguished Faculty Associate, Brown College, Rice University (March 22, 2013)
Distinguished Faculty Associate, Brown College (April 7, 2010)