搜索结果: 61-71 共查到“恒星与银河系 Galaxies”相关记录71条 . 查询时间(0.097 秒)
Stellar Populations in Galaxies：Progress on The Milky Way, on Dwarf Irregulars, and on Elliptical Galaxies
Stellar Populations Elliptical Galaxies The Milky Way
2009/6/5
Stellar Populations in Galaxies：Progress on The Milky Way, on Dwarf Irregulars, and on Elliptical Galaxies。
H Emission Line Morphologies in Markarian Starburst Galaxies
Galaxies starburst photometry
2009/5/20
We present broad band R and narrow band H emission line
images of a sample of optically selected starburst galaxies from the Markarian
lists. The emission line morphology is studied and global prop...
CLASS B 1359+154：Modelling Lensing by a Group of Galaxies
Gravitational lensing multiple-imagin individual systems
2009/5/19
The recently discovered gravitationally lensed system CLASS
B1359C154 appears to have six detectable images of a single background
source at a redshift of 3:235. A group of galaxies acts as the lens...
The HI Content of the Eridanus Group of Galaxies
evolution galaxies clusters individual Eridanus radio lines
2009/5/12
TheHI content of galaxies in the Eridanus group is studied using
the GMRT observations and the HIPASS data. A significant HI deficiency
up to a factor of 2–3 is observed in galaxies in the high gala...
QSO Pairs across Active Galaxies: Evidence of Blueshifts?
Quasars: emission lines quasars: absorption lines cosmology: miscellaneous
2009/5/7
Several QSO pairs have been reported and their redshifts determined, where the two objects in each pair are located across an active galaxy. The usually accepted explanation of such occurrences is tha...
ON THE TOTAL ABSORPTION CROSS-SECTION OF GALAXIES. II. THE CASE OF &Lambda COSMOLOGIES AND COVERING FACTOR VARIATION
HubbleDeepFiel CROSS-SECTION OF GALAXIES COVERING FACTOR VARIATION
2009/3/26
In this work we expand the previous discussion of the plausibility
of hypothesis of origin of the Lyα forest absorption systems in haloes of normal
galaxies in connection with the HubbleDeepField ...
A COMPARISON OF TWO MASS DISTRIBUTIONS APPLICABLE TO GLOBULAR CLUSTERS AND DWARF GALAXIES
globular clusters general-Galaxy halo-Galaxies dwarf
2009/3/6
A particular case of mass distribution in stellar systems, already
described in the literature, is compared to the King model of mass distribution. For
the cases which would correspond to the descri...
PHENOMENOLOGICAL APPROACH TO THE MODELLING OF ELLIPTICAL GALAXIES: THE PROBLEM OF THE MASS-TO-LIGHT RATIO
galaxies kinematics and dynamics-galaxies elliptical and lenticular-galaxies structure-dark matter-galaxies
2009/2/13
In this paper the problem of the phenomenological modelling of
elliptical galaxies using various available observational data is presented. Recently,
Tortora, Cardona and Piedipalumbo (2007) suggest...
The Tully–Fisher Relations of the Eridanus Group of Galaxies
Galaxy rotation luminosity linewidth relation galaxies groups individual Eridanus radio lines HI 21 cm-line
2010/9/17
The Tully–Fisher (TF) or the luminosity–linewidth relations of the galaxies in the Eridanus group are constructed using the HI rotation curves and the luminosities in the optical and in the near-infra...
Influence of the Black Hole Rotation on Accretion Discs and Jets in Active Galaxies: the Case of NGC 1068
the Black Hole Rotation Accretion Discs and Jets Active Galaxies the Case of NGC 1068
2010/10/18
Although we do not observe directly black holes in the Universe, their presence has been inferred in several astrophysical systems, from galactic to extragalactic scales. In this work, we will restric...
Using X-ray observation we have obtained the deprojected gas density and temperature profiles for a sample of cluster of galaxies. We show that cool-core clusters, which are expected to be the largest...