搜索结果: 1-4 共查到“相对论天体物理学 clusters”相关记录4条 . 查询时间(0.078 秒)
Star Clusters in M31: Old Clusters with Bar Kinematics
catalogs – galaxies individual (M31) – galaxies star clusters – globular clusters
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2010/11/12
We analyze our accurate kinematical data for the old clusters in the inner regions of M31. These velocities are based on high S/N Hectospec data (Caldwell et al 2010). The data are well suited for ana...
Metallicities of Young Open Clusters I: NGC 7160 and NGC 2232
Solar and Stellar Astrophysics (astro-ph.SR)
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2010/12/24
We present a moderate-resolution spectroscopic analysis of the 10-25 Myr clusters NGC 7160 and NGC 2232, using observations obtained with the WIYN 3.5-m telescope. Both NGC 7160 and NGC 2232 are found...
An optical/NIR survey of globular clusters in early-type galaxies. I. Introduction and data reduction procedures
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
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2010/12/24
The combination of optical and near-infrared (NIR) colours has the potential to break the age/metallicity degeneracy and offers a better metallicity sensitivity than optical colours alone.
Galaxy Clusters Selected with the Sunyaev-Zel'dovich Effect from 2008 South Pole Telescope Observations
galaxies clusters individual cosmology observations
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2010/3/9
We present a detection-significance-limited catalog of 21 Sunyaev-Zel'dovich selected galaxy clusters. These clusters, along with 1 unconfirmed candidate, were identified in 178 deg^2 of sky surveyed ...