搜索结果: 1-9 共查到“恒星与银河系 Extragalactic”相关记录9条 . 查询时间(0.05 秒)
The AGN fraction of submm-selected galaxies and contributions to the submm/mm-wave extragalactic background light
galaxies contributions
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2014/12/22
We present a comparison of the SCUBA half degree extragalactic survey (SHADES) at 450 μm, 850 μm and 1100 μm with deep guaranteed time 15 μm AKARI FU-HYU survey data and Spitzer guaranteed time data a...
The First Fluorine Abundance Determinations in Extragalactic AGB Carbon Stars
FluorineAbundance Determinations Extragalactic
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2011/9/29
Fluorine (19F) abundances (or upper limits) are derived in six extragalactic AGB carbon stars from the HF(1-0) R9 line at 2.3358 mu in high resolution spectra. The stars belong to the Local Group gala...
The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines
extragalactic H II regions O II recombination lines
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2009/6/30
The calibration of the O/H abundance indicators for extragalactic H II regions based on O II recombination lines。
Extragalactic Science with Tunable Filters
Extragalactic Science Tunable Filters
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2009/6/18
Extragalactic Science with Tunable Filters。
Extragalactic gravitational lenses with the GTC
Extragalactic gravitational GTC
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2009/6/12
Extragalactic gravitational lenses with the GTC。
Reanalyzing the he abundance determination in extragalactic H II regions
extragalactic H II regions abundance determination
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2009/6/11
Reanalyzing the he abundance determination in extragalactic H II regions。
Variability of Extragalactic Objects in Relation to Redshift, Color, Radio Spectral Index and Absorption Lines
Galaxies active galaxies quasars
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2009/5/20
Optical variability of extragalactic objects, viz., QSOs, BL Lacs and Seyfert galaxies has been monitored systematically over an appreciable period of time and a large amount of data have accumulated....
Stellar and Extragalactic Radiation at the Earth’s Surface
Stellar background stars CMBR
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2010/9/17
Reviving a calculation made by Eddington in the 1920s, and using the most recent and comprehensive databases available on stars and galaxies, including more than 2,500,000 stars and around 20,000 gala...
Relativistic Jets and Accretion Phenomena associated with Galactic and Extragalactic Black Holes
Relativistic Jets Accretion Phenomena Galactic and Extragalactic Black Holes
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2010/10/18
Relativistic Jets and Accretion Phenomena associated with Galactic and Extragalactic Black Holes.