搜索结果: 1-8 共查到“理论天体物理学 clouds”相关记录8条 . 查询时间(0.12 秒)
Dynamics of the Magellanic Clouds in a LCDM Universe
Dynamics the Magellanic Clouds
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2011/1/10
We examine Milky Way-Magellanic Cloud systems selected from the Millennium-II Simulation in order to place the orbits of the Magellanic Clouds in a cosmological context. Our analysis shows that satell...
Clouds Toward the Virgo Cluster Periphery: Gas-rich Optically Inert Galaxies
Clouds Toward Virgo Cluster Periphery
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2011/1/13
Aperture synthesis observations of two HI cloud complexes located in the periphery of the Virgo galaxy cluster are presented. These low HI-mass clouds ($M_{HI}<$ 10$^{9}$) are seen projected on the M ...
Statistical comparison of clouds and star clusters
Statistical comparison clouds star clusters
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2011/1/13
The extent to which the projected distribution of stars in a cluster is due to a large-scale radial gradient, and the extent to which it is due to fractal sub-structure, can be quantified -- statistic...
How Common are the Magellanic Clouds?
galaxies dwarf—Magellanic Clouds— Local Group—galaxies statistics—dark matter
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2010/11/12
We introduce a probabilistic approach to the problem of counting dwarf satellites around host galaxies in databases with limited redshift information. This technique is used to investigate the occurre...
Physical Properties of Complex C Halo Clouds
rgalactic medium − ISM structure − ISM
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2010/11/9
Observations from the Galactic Arecibo L-Band Feed Array HI (GALFA-HI)Survey of the tail of Complex C are presented and the halo clouds associated with this complex cataloged. The properties of the Co...
Photostability of gas- and solid-phase biomolecules within dense molecular clouds due to soft X-rays
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2010/12/28
An experimental photochemistry study involving gas- and solid-phase amino acids (glycine, DL-valine, DL-proline) and nucleobases (adenine and uracil) under soft X-rays was performed. The aim was to te...
The B[e] phenomenon in the Milky Way and Magellanic Clouds
Solar and Stellar Astrophysics (astro-ph.SR)
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2010/12/23
Discovered over 30 years ago, the B[e] phenomenon has not yet revealed all its puzzles. New objects that exhibit it are being discovered in the Milky Way, and properties of known objects are being con...
High Energy Cosmic-ray Diffusion in Molecular Clouds: A Numerical Approach
High Energy Astrophysical Phenomena (astro-ph.HE)
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2010/12/22
The propagation of high-energy cosmic rays through giant molecular clouds constitutes a fundamental process in astronomy and astrophysics. The diffusion of cosmic-rays through these magnetically turbu...