Photometric variability of the Pre
... supergiant spectrum with broad blue-shifted Balmer lines, strong infrared excess, connection with reflection nebulae, and location in star-forming regions (Reipurth 1990, Clarke et al. 2005). Typical spectroscopic properties of FUors include a gradual change in the spectrum from earlier to later spe ...
... supergiant spectrum with broad blue-shifted Balmer lines, strong infrared excess, connection with reflection nebulae, and location in star-forming regions (Reipurth 1990, Clarke et al. 2005). Typical spectroscopic properties of FUors include a gradual change in the spectrum from earlier to later spe ...
Best of British telescopes How to plan your own
... one would expect are needed to make planets. Dwarf galaxies are typically representative of conditions in the early Universe, when heavy elements did not exist in large quantities. Could the Universe have started forming planets sooner than we realised? “For example,” says Rainer Klement, who was pa ...
... one would expect are needed to make planets. Dwarf galaxies are typically representative of conditions in the early Universe, when heavy elements did not exist in large quantities. Could the Universe have started forming planets sooner than we realised? “For example,” says Rainer Klement, who was pa ...
The K2-ESPRINT Project III: A Close-in Super
... g2′ -band channel was not available at that time due to an instrumental trouble, we used the remaining two channels for the observation. The exposure times were set to 120 s and 60 s for the r2′ and zs,2 bands, respectively. We started the observation at 17:10 UT and continued it until 18:48 UT (the ...
... g2′ -band channel was not available at that time due to an instrumental trouble, we used the remaining two channels for the observation. The exposure times were set to 120 s and 60 s for the r2′ and zs,2 bands, respectively. We started the observation at 17:10 UT and continued it until 18:48 UT (the ...
itpa - CERN Indico
... EGEE (European Grid for Enabling the E-science) - on the level of middleware and some applications The project BalticGrid-II will involve scientists of Lithuania even more deeply into European Research Area to encourage Lithuanian scientists to use grid technologies and to participate in their devel ...
... EGEE (European Grid for Enabling the E-science) - on the level of middleware and some applications The project BalticGrid-II will involve scientists of Lithuania even more deeply into European Research Area to encourage Lithuanian scientists to use grid technologies and to participate in their devel ...
QU Carinae: Type Ia supernova in the making
... of observations. The Echelle Spectrograph provides wavelength coverage from 3700 to 9000 Å at a typical resolution of ∼30 000 (using the 1-arcsec slit). Spectra of a ThAr lamp were obtained for wavelength calibration at the position of the telescope, just before and just after each stellar exposure. ...
... of observations. The Echelle Spectrograph provides wavelength coverage from 3700 to 9000 Å at a typical resolution of ∼30 000 (using the 1-arcsec slit). Spectra of a ThAr lamp were obtained for wavelength calibration at the position of the telescope, just before and just after each stellar exposure. ...
400 Years of Stellar Rotation
... of planets, a question already addressed by Struve, was discussed during the conference, as well as what may happen when a planet is engulfed by its host star. As demonstrated by these few points, rotation is at the crossroads of many topical subjects in modern astrophysics, from planet and star for ...
... of planets, a question already addressed by Struve, was discussed during the conference, as well as what may happen when a planet is engulfed by its host star. As demonstrated by these few points, rotation is at the crossroads of many topical subjects in modern astrophysics, from planet and star for ...
11.3 MB PDF file
... astronomers independently discovered 1983d, and by connecting the positions given by IRAS, Araki (Japan), and Alcock (UK), Dr. Brian Marsden of the lAU Central Telegram Bureau was able to calculate a preliminary orbit. It immediately became clear that 1983 d would pass very close to the earth and th ...
... astronomers independently discovered 1983d, and by connecting the positions given by IRAS, Araki (Japan), and Alcock (UK), Dr. Brian Marsden of the lAU Central Telegram Bureau was able to calculate a preliminary orbit. It immediately became clear that 1983 d would pass very close to the earth and th ...
Case for INDIGO
... great value not only to the gravitational wave community, but to broader physics and astronomy research by launching an era of gravitational wave astronomy, including, the fundamental first direct detection of gravitational waves. As the southernmost member observatory of the global array of gravita ...
... great value not only to the gravitational wave community, but to broader physics and astronomy research by launching an era of gravitational wave astronomy, including, the fundamental first direct detection of gravitational waves. As the southernmost member observatory of the global array of gravita ...
Are WE CORRECTLY Measuring the Star formation in galaxies?
... McDonald Observatory University of Texas at Austin April 12, 2016 ...
... McDonald Observatory University of Texas at Austin April 12, 2016 ...
ASTA33 Lab: The rotation curve of the Milky Way
... In this lab, you will use a small, but nevertheless very real radio telescope. It is a very complicated piece of equipment, compared to to a tube with a lens (also known as optical telescope), but you can use it to do amazing science. Indeed, with our small radio telescope you will literally observe ...
... In this lab, you will use a small, but nevertheless very real radio telescope. It is a very complicated piece of equipment, compared to to a tube with a lens (also known as optical telescope), but you can use it to do amazing science. Indeed, with our small radio telescope you will literally observe ...
Observations
... Measurement of the chemical composition of the dust is a new capability, and may yield further insight into Io’s volcanic activity. Separate temporal and spatial effects discernible in the structure of the dust stream by using data from two spacecraft. ...
... Measurement of the chemical composition of the dust is a new capability, and may yield further insight into Io’s volcanic activity. Separate temporal and spatial effects discernible in the structure of the dust stream by using data from two spacecraft. ...
Oxygen isotopes in circumstellar Al_2O_3 grains from meteorites
... The Al 20 3 grains exhibit a range in 16 0/ 18 0 that is larger than predicted for a suite of stars with the same starting composition (Fig. 3). The predicted range in 160/ 18 0 does not increase significantly for stars up to ~15M 0 (Dearborn 1992; El Eid 1994; Boothroyd et al. 1994). Thus, a differ ...
... The Al 20 3 grains exhibit a range in 16 0/ 18 0 that is larger than predicted for a suite of stars with the same starting composition (Fig. 3). The predicted range in 160/ 18 0 does not increase significantly for stars up to ~15M 0 (Dearborn 1992; El Eid 1994; Boothroyd et al. 1994). Thus, a differ ...
Cosmology with objects from the Hamburg Quasar Surveys
... applied to the entire HES digital data base. In the following years Norbert Christlieb from Hamburg Observatory embarqued on a gigantic project to search for the oldest and most metal-poor stars (PopIII ?). On the entire survey area of 379 plates (8853 deg2) a total of 20271 candidates in the bright ...
... applied to the entire HES digital data base. In the following years Norbert Christlieb from Hamburg Observatory embarqued on a gigantic project to search for the oldest and most metal-poor stars (PopIII ?). On the entire survey area of 379 plates (8853 deg2) a total of 20271 candidates in the bright ...
Two New Triple Star Systems with Detectable Inner Orbital Motions
... Five east-west drifts of two relatively bright stars, 58 And and psi Per, were obtained. “Synthesis Drift” in REDUC performed the analysis by fitting linear least squares lines through the centroids to provide the camera angles, with results shown in Table 2. The standard errors of the mean are just ...
... Five east-west drifts of two relatively bright stars, 58 And and psi Per, were obtained. “Synthesis Drift” in REDUC performed the analysis by fitting linear least squares lines through the centroids to provide the camera angles, with results shown in Table 2. The standard errors of the mean are just ...
High-mass stars in the Galactic center Quintuplet cluster
... (2003, Geneva tracks). The tracks were calculated for solar metallicity and different initial masses. It can clearly be seen, that the tracks with rotation don’t reach into the cool domain the stars are located in and that only the very high-mass tracks ≥ 60 M initial stellar mass can be considered ...
... (2003, Geneva tracks). The tracks were calculated for solar metallicity and different initial masses. It can clearly be seen, that the tracks with rotation don’t reach into the cool domain the stars are located in and that only the very high-mass tracks ≥ 60 M initial stellar mass can be considered ...
Rainbows with carbon nanotubes
... primary mirror 8.2 m across, which are generally used separately but can be used together to achieve very high angular resolution. S. Gillessen, F. Eisenhauer, S. Trippe, T. Alexander, R. Genzel, F. Martins and T. Ott, Monitoring stellar orbits around the Massive Black Hole in the Galactic Center, A ...
... primary mirror 8.2 m across, which are generally used separately but can be used together to achieve very high angular resolution. S. Gillessen, F. Eisenhauer, S. Trippe, T. Alexander, R. Genzel, F. Martins and T. Ott, Monitoring stellar orbits around the Massive Black Hole in the Galactic Center, A ...
Solar Irradiance Reference Spectra (SIRS) for the 2008 Whole
... [4] The Whole Heliosphere Interval (WHI) for March – April 2008 was an excellent opportunity to coordinate observations and compare results for solar cycle minimum conditions. While it will not be certain for another six months to a year if the actual solar cycle minimum irradiance values have been ...
... [4] The Whole Heliosphere Interval (WHI) for March – April 2008 was an excellent opportunity to coordinate observations and compare results for solar cycle minimum conditions. While it will not be certain for another six months to a year if the actual solar cycle minimum irradiance values have been ...
PDF Format
... W Ursae Majoris Discovered The variability of W UMa was first noted in the early 1900s by Muller and Kempf (1903) during zone observations for the Potsdam Photometric Durchmusterung. The star apparently exhibited an extraordinarily short period of only about four hours -- the shortest known period t ...
... W Ursae Majoris Discovered The variability of W UMa was first noted in the early 1900s by Muller and Kempf (1903) during zone observations for the Potsdam Photometric Durchmusterung. The star apparently exhibited an extraordinarily short period of only about four hours -- the shortest known period t ...
Spectroscopic Binaries - Thüringer Landessternwarte Tautenburg
... dates the line appeared hazy, as if the components were slightly separated, while at other times the line appears to be well defined and single. An examination of all the plates leads to the belief that the line is double at intervals of 52 days, beginning March 27, 1887, and that for several days b ...
... dates the line appeared hazy, as if the components were slightly separated, while at other times the line appears to be well defined and single. An examination of all the plates leads to the belief that the line is double at intervals of 52 days, beginning March 27, 1887, and that for several days b ...
2 Mock Observation Plan - Cosmos
... In this section we summarize the science goals as given in [RD3] and the required observations as given in the straw man observation plan [AD1]. For the different science objectives a representative set of observations is listed in the MOP. The relevant information includes the coordinates or the so ...
... In this section we summarize the science goals as given in [RD3] and the required observations as given in the straw man observation plan [AD1]. For the different science objectives a representative set of observations is listed in the MOP. The relevant information includes the coordinates or the so ...
Transient events in the EUV transition region and chromosphere
... transition region network. Their durations are between 80 and 200 s and dimensions 6 000–10 000 km. A wavelet analysis reveals a tendency for semi-periodic behaviour, with excess power at a frequency of about 4 mHz. The variations are much less evident in the internetwork or cell regions, although t ...
... transition region network. Their durations are between 80 and 200 s and dimensions 6 000–10 000 km. A wavelet analysis reveals a tendency for semi-periodic behaviour, with excess power at a frequency of about 4 mHz. The variations are much less evident in the internetwork or cell regions, although t ...
2015 Red River Valley Undergraduate Physics
... O-01 Polymer Shapes, Depletion, and Crowding in Polymer-Nanoparticle Mixtures Wei Kang Lim, Department of Physics, North Dakota State University Research Supervisor: Dr. Alan Denton O-02 Modeling GaAs Solar Cell: Python Code for 1-D Homojunction at Equilibrium and Steady State Condition Iwnetim Abat ...
... O-01 Polymer Shapes, Depletion, and Crowding in Polymer-Nanoparticle Mixtures Wei Kang Lim, Department of Physics, North Dakota State University Research Supervisor: Dr. Alan Denton O-02 Modeling GaAs Solar Cell: Python Code for 1-D Homojunction at Equilibrium and Steady State Condition Iwnetim Abat ...
INDIGO-KR_plancomm_pI
... • LIGO-India will raise public profile of science since it will be making ongoing discoveries fascinating the young. GR, BH, EU and Einstein have a special attraction and a pioneering facility in India participating in important discoveries will provide science & technology role models with high vis ...
... • LIGO-India will raise public profile of science since it will be making ongoing discoveries fascinating the young. GR, BH, EU and Einstein have a special attraction and a pioneering facility in India participating in important discoveries will provide science & technology role models with high vis ...
the challenge of wide-field transit surveys: the case of
... Its binned light curve, folded with the photometric period of 3.35 days, is shown in Figure 1. Each filled circle in the plot is the weighted average of up to five individual measurements. Two complete and two partial transit-like events with a depth of 1.4% and duration of 2.7 hr were observed. The ...
... Its binned light curve, folded with the photometric period of 3.35 days, is shown in Figure 1. Each filled circle in the plot is the weighted average of up to five individual measurements. Two complete and two partial transit-like events with a depth of 1.4% and duration of 2.7 hr were observed. The ...
louisiana state university - American Institute of Physics
... waves; relativistic astrophysics; computational physics, highperformance computing, and scientific and grid computing. Sprunger, Phillip, Ph.D., University of Pennsylvania, 1993. Condensed Matter Physics. Condensed-matter physics. Stadler, Shane, Ph.D., Tulane University, 1998. Condensed Matter Phys ...
... waves; relativistic astrophysics; computational physics, highperformance computing, and scientific and grid computing. Sprunger, Phillip, Ph.D., University of Pennsylvania, 1993. Condensed Matter Physics. Condensed-matter physics. Stadler, Shane, Ph.D., Tulane University, 1998. Condensed Matter Phys ...
Indian Institute of Astrophysics
The Indian Institute of Astrophysics (IIA), with its headquarters in Bangalore (Karnataka state), India, is a premier national institute of India for the study of and research into topics pertaining to astronomy, astrophysics and related subjects.The Institute has a network of laboratories and observatories located in various places in India, including Kodaikanal (the Kodaikanal Solar Observatory), Kavalur (the Vainu Bappu Observatory), Gauribidanur, Hanle (the Indian Astronomical Observatory) and Hosakote.