Spectroscopic and photometric observations of unidentified ultraviolet variable objects in the GUVV-2 Catalog |
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| Authors: | You Li Jing Wang Jian-Yan Wei Xiang-Tao He |
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| Institution: | You Li1,2,Jing Wang2,Jian-Yan Wei2 and Xiang-Tao He1 1 Department of Astronomy,Beijing Normal University,Beijing,100875,China 2 National Astronomical Observatories,Chinese Academy of Sciences,Beijing 100012,China |
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| Abstract: | An NUV-optical diagram composed from sources from the second Galaxy Evolution Explorer(GALEX) Ultraviolet Variability(GUVV-2) Catalog provides us with a method to tentatively classify the unknown GUVV-2 sources by their NUV-optical magnitudes.For the purpose of testing the correctness and generality of the method,we carry out a program on the spectroscopic observations of the unidentified GUVV-2 sources.The spectroscopic identification of these 37 sources are 19 type-A to-F stars,10 type-G to-K stars and 7 ... |
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