Article PDF - IOPscience
... galaxies, as seen through their stellar light distributions, contain enough physical information to offer this classification. We argue through the use of 240 images of nearby galaxies that three model-independent parameters measured on a single galaxy image reveal its major ongoing and past formation ...
... galaxies, as seen through their stellar light distributions, contain enough physical information to offer this classification. We argue through the use of 240 images of nearby galaxies that three model-independent parameters measured on a single galaxy image reveal its major ongoing and past formation ...
A Spitzer mid-infrared spectral survey of mass
... K , M K ) ∼ (1, −10.7) in Fig. 1(b) was not a target but was accidentally observed when Spitzer selected it in the peak-up field.] It turns out that only two of the LMC sources were oxygen-rich, one of which was found to be a massive young stellar object (van Loon et al. 2005b). Here we present the ...
... K , M K ) ∼ (1, −10.7) in Fig. 1(b) was not a target but was accidentally observed when Spitzer selected it in the peak-up field.] It turns out that only two of the LMC sources were oxygen-rich, one of which was found to be a massive young stellar object (van Loon et al. 2005b). Here we present the ...
astro-ph/0301519 PDF
... dwarfs with effective temperatures extending up to 80000K or so, while the EUV-selected samples of Marsh et al. (1997) and Vennes et al. (1997) contained a majority of white dwarfs with Teff above 25000K. The reliability of this work depends on the assumption that the Balmer line profile technique i ...
... dwarfs with effective temperatures extending up to 80000K or so, while the EUV-selected samples of Marsh et al. (1997) and Vennes et al. (1997) contained a majority of white dwarfs with Teff above 25000K. The reliability of this work depends on the assumption that the Balmer line profile technique i ...
Luminosities and mass-loss rates of SMC and LMC AGB stars and
... Speck et al. also proposed that graphite rather then amorphous carbon dominates the dust, at least in the C-stars with extreme mass-loss rates they considered. Only one set of optical constants seems to have been published for graphite, those by Draine & Lee (1984), as used by e.g. Volk et al. (1992 ...
... Speck et al. also proposed that graphite rather then amorphous carbon dominates the dust, at least in the C-stars with extreme mass-loss rates they considered. Only one set of optical constants seems to have been published for graphite, those by Draine & Lee (1984), as used by e.g. Volk et al. (1992 ...
Published in Contemp. Phys. 51, 464-465 (2010).
... Sirius would have passed right across the Milky Way during the stone age. One of the Arabic names for Sirius is al-schira al-abur, or “Sirius which has passed across”, raising the fascinating speculation that there could somehow be a human memory of this ancient astronomical event. Sirius also wiggl ...
... Sirius would have passed right across the Milky Way during the stone age. One of the Arabic names for Sirius is al-schira al-abur, or “Sirius which has passed across”, raising the fascinating speculation that there could somehow be a human memory of this ancient astronomical event. Sirius also wiggl ...
The magnetic field of epsilon Eri
... stars above have inspired us and urged us to learn more about them. Our closest star, the Sun, is a fairly small star, and there are many more solar-type stars. The Sun has a magnetic eld that strongly aects Earth. During the solar cycle, the magnetic eld causes sunspots to appear in dierent amo ...
... stars above have inspired us and urged us to learn more about them. Our closest star, the Sun, is a fairly small star, and there are many more solar-type stars. The Sun has a magnetic eld that strongly aects Earth. During the solar cycle, the magnetic eld causes sunspots to appear in dierent amo ...
Zaca Medicine Cabinet Catalog 104
... LIM ITED WARRANTY: ZACA warrants to the o"9Jnal pur,ha~er that it will repair or replac~ Without chargE: products produced by thiS company shown to have ~jg"l'i(anl def u In material 01 workmanshtp whlcJ'l are reponed to ZA(A In wliting within one (1) year from t date of delivery. The warranty is vo ...
... LIM ITED WARRANTY: ZACA warrants to the o"9Jnal pur,ha~er that it will repair or replac~ Without chargE: products produced by thiS company shown to have ~jg"l'i(anl def u In material 01 workmanshtp whlcJ'l are reponed to ZA(A In wliting within one (1) year from t date of delivery. The warranty is vo ...
Document
... Review of what you have at this point: 1) Target list with an idea of distances that do not exceed what is possible with your detector ...
... Review of what you have at this point: 1) Target list with an idea of distances that do not exceed what is possible with your detector ...
Angular Momentum Evolution of Young Low
... 2 Ma is quite wide over the whole mass range from 0.2 to 1.0 M⊙, with the bulk of rotational periods ranging from 1 to 10 d. The lower envelope of the period distribution is located at about 0.7 d, which corresponds to about 40-50% of the breakup limit over the mass range 0.2-1.0 M⊙. The origin of t ...
... 2 Ma is quite wide over the whole mass range from 0.2 to 1.0 M⊙, with the bulk of rotational periods ranging from 1 to 10 d. The lower envelope of the period distribution is located at about 0.7 d, which corresponds to about 40-50% of the breakup limit over the mass range 0.2-1.0 M⊙. The origin of t ...
Marking Scheme of Observational Sessions
... constellation of “Orion”) in his/her constellation mapping drawing. But drawing Orion nebula IS NOT ACCEPTABLE ! Maximum Minus marks that can be given for each report is (-2 ) Observers should make a Relative apparent magnitude scale and show it on at least one observation report. IF it missing (– 3 ...
... constellation of “Orion”) in his/her constellation mapping drawing. But drawing Orion nebula IS NOT ACCEPTABLE ! Maximum Minus marks that can be given for each report is (-2 ) Observers should make a Relative apparent magnitude scale and show it on at least one observation report. IF it missing (– 3 ...
Lecture 2
... Completing the z~3 Picture • Using molecular line emission at z=3, could probe cool gas • “low-excitation lines will map out a larger fraction of the ISM in these galaxies and…study in detail the spacially resolved kinematic structure of most of the gas…which resides in the cold phase” (Carilli & B ...
... Completing the z~3 Picture • Using molecular line emission at z=3, could probe cool gas • “low-excitation lines will map out a larger fraction of the ISM in these galaxies and…study in detail the spacially resolved kinematic structure of most of the gas…which resides in the cold phase” (Carilli & B ...
On the elemental abundance and isotopic mixture of mercury in
... absorption profile of an atomic or ionic line. The asymmetry can arise from the presence of another spectral feature in the line wing, or from a local slope in the continuum. The asymmetric light flux causes the absorbing particles of the element to become selectively excited based on their velociti ...
... absorption profile of an atomic or ionic line. The asymmetry can arise from the presence of another spectral feature in the line wing, or from a local slope in the continuum. The asymmetric light flux causes the absorbing particles of the element to become selectively excited based on their velociti ...
3-1
... 3-1 and Ordering Decimals Additional Example 3: Comparing and Ordering Decimals Order the decimals from least to greatest. ...
... 3-1 and Ordering Decimals Additional Example 3: Comparing and Ordering Decimals Order the decimals from least to greatest. ...
THE COMET`S TALE - Institute of Astronomy
... Than Ours, from his Sunday school library which led him to an interest in astronomy. This interest was further inspired by the conjunction of Jupiter and Mars on May 7th, 1879, when the planets were slightly over one degree apart, and/or July 22nd, 1881, when the two planets were separated by only s ...
... Than Ours, from his Sunday school library which led him to an interest in astronomy. This interest was further inspired by the conjunction of Jupiter and Mars on May 7th, 1879, when the planets were slightly over one degree apart, and/or July 22nd, 1881, when the two planets were separated by only s ...
15_1655_Iaria_Presence_of_a_Third_body
... • The source shows type-I X-ray bursts • The source shows dips in its light curve • The source does not show eclipses in its light curve The presence of type-I X-ray bursts implies that the compact object is a neutron star. The absence of eclipses and the presence of dips implies the inclination ang ...
... • The source shows type-I X-ray bursts • The source shows dips in its light curve • The source does not show eclipses in its light curve The presence of type-I X-ray bursts implies that the compact object is a neutron star. The absence of eclipses and the presence of dips implies the inclination ang ...
Here
... been developed to track the evolution of isotopes from deuterium to sulphur plus important iron group elements. These have been used to calculate the evolution of minor isotopes in TP-AGB stars of 1.5, 3 and 5 M at metallicities of Z = 0.02, 0.008 and 0.004 evolved with mass loss. The results of th ...
... been developed to track the evolution of isotopes from deuterium to sulphur plus important iron group elements. These have been used to calculate the evolution of minor isotopes in TP-AGB stars of 1.5, 3 and 5 M at metallicities of Z = 0.02, 0.008 and 0.004 evolved with mass loss. The results of th ...
Debris Disks: Seeing Dust, Thinking of Planetesimals and Planets
... As the very name “debris disks” suggests, they should incessantly produce “collisional debris”, so that destructive collisions must be a dominant process operating in these systems. For collisions to be destructive — and even to occur at sufficient rates – a certain minimum level of relative velocit ...
... As the very name “debris disks” suggests, they should incessantly produce “collisional debris”, so that destructive collisions must be a dominant process operating in these systems. For collisions to be destructive — and even to occur at sufficient rates – a certain minimum level of relative velocit ...
The physics of star formation - Yale Astronomy
... is of central importance in astrophysics to understand how stars form and what determines their properties. The generally accepted view that stars form by the gravitational condensation of diffuse matter in space is very old, indeed almost as old as the concept of universal gravitational attraction ...
... is of central importance in astrophysics to understand how stars form and what determines their properties. The generally accepted view that stars form by the gravitational condensation of diffuse matter in space is very old, indeed almost as old as the concept of universal gravitational attraction ...
The physics of star formation
... is of central importance in astrophysics to understand how stars form and what determines their properties. The generally accepted view that stars form by the gravitational condensation of diffuse matter in space is very old, indeed almost as old as the concept of universal gravitational attraction ...
... is of central importance in astrophysics to understand how stars form and what determines their properties. The generally accepted view that stars form by the gravitational condensation of diffuse matter in space is very old, indeed almost as old as the concept of universal gravitational attraction ...