搜索结果: 1-11 共查到“天体物理学其他学科 massive”相关记录11条 . 查询时间(0.18 秒)
Reconciling a significant hierarchical assembly of massive early-type galaxies at z<~1 with mass downsizing
massive early-type galaxies Cosmology and Extragalactic Astrophysics
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2011/1/11
Hierarchical models predict that massive early-type galaxies (mETGs) are the latest systems to be in place into the cosmic scenario (at z<~0.5), conflicting with the observational phenomenon of galaxy...
The Massive Pulsar PSR J1614-2230: Linking Quantum Chromodynamics, Gamma-ray Bursts, and Gravitational Wave Astronomy
The Massive Pulsar PSR J1614-2230 Linking Quantum Chromodynamics
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2011/1/11
The recent measurement of the Shapiro delay in the radio pulsar PSR J1614-2230 yielded a mass of 1.97 +/- 0.04 M_sun, making it the most massive pulsar known to date. Its mass is high enough that, eve...
Massive Star Formation of the Sgr A East HII Regions Near the Galactic Center
Galaxy Astrophysics (astro-ph.GA)
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2011/1/4
A group of four compact HII regions associated with the well-known 50 km/s molecular cloud is the closest site of on-going star formation to the dynamical center of the Galaxy, at a projected distance...
Lyman `bump' galaxies - II. A possible signature of massive extremely metal-poor or metal-free stars in z=3.1 Ly-alpha emitters
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
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2010/12/29
Deep NB359 imaging with Subaru by Iwata et al. have detected surprisingly strong Lyman continuum (LyC; ~900A in the rest-frame) from some LAEs at z=3.1. However, the redshifts might be misidentified d...
Massive runaway stars in the Small Magellanic Cloud
Galaxy Astrophysics (astro-ph.GA)
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2010/12/29
Using archival Spitzer Space Telescope data, we identified for the first time a dozen runaway OB stars in the Small Magellanic Cloud (SMC) through the detection of their bow shocks. The geometry of de...
In savvy pursuit of Local Group blue massive stars
Solar and Stellar Astrophysics (astro-ph.SR)
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2010/12/28
The important role of metallicity on massive star evolution and the combination of multi-object spectrographs and 10m class telescopes, have lead to numerous systematic studies of massive stars in Loc...
Chemically homogeneous evolution in massive binaries
Solar and Stellar Astrophysics (astro-ph.SR) High Energy Astrophysical Phenomena (astro-ph.HE)
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2010/12/28
Rotation can have severe consequences for the evolution of massive stars. It is now considered as one of the main parameters, alongside mass and metallicity that determine the final fate of single sta...
The Hubble Space Telescope GOODS NICMOS Survey: Overview and the Evolution of Massive Galaxies at 1.5 < z < 3
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
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2010/12/24
We present the details and early results from a deep near-infrared survey utilising the NICMOS instrument on the Hubble Space Telescope centred around massive M_* > 10^11 M_0 galaxies at 1.7 < z < 2.9...
The Infrared Properties of Massive Stars in the Magellanic Clouds
Solar and Stellar Astrophysics (astro-ph.SR)
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2010/12/23
We present results of our study of the infrared properties of massive stars in the Large and Small Magellanic Clouds, which are based on the Spitzer SAGE surveys of these galaxies.
Photon Bubbles in Young Massive Stars
Photon Bubbles Young Massive Stars
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2009/6/16
Photon Bubbles in Young Massive Stars。
Dynamics of molecular clouds under the influence of ionizing radiation from young massive stars
molecular clouds young massive stars ionizing radiation
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2009/6/11
Dynamics of molecular clouds under the influence of ionizing radiation from young massive stars。