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26 April 2024 |
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On the nature of the FBS blue stellar objects and the completeness of the bright quasar survey | | M.A. Mickaelian
; A.C. Goncalves
; M.-P. Veron-Cetty
; P. Veron
; | | Date: |
13 Dec 1998 | | Subject: | astro-ph | | Affiliation: | BAO), A.C. Goncalves, M.-P. Veron-Cetty, P. Veron (OHP | | Abstract: | The second part of the First Byurakan Survey is aimed at detecting all bright (B<16.5) UV-excess starlike objects in a large area of the sky. By comparison with other major surveys such as the ROSAT All Sky Survey, the ROSAT WGACAT catalogue of point sources, the IRAS survey, the 6cm Green Bank, the 1.4GHz NRAO VLA and the 92cm Westerbork Northern sky surveys and with the catalogue of mean UBV data on stars, we estimate the number of AGNs present in the FBS survey and its completeness. We have made spectroscopic observations of nine of the most promising FBS candidates. We have found six new QSOs bringing the total number of known QSOs in this survey to 42. By comparison with the Bright Quasar Survey, we found that the completeness of this last survey is of the order of 70% rather than 30-50% as suggested by several authors. | | Source: | arXiv, astro-ph/9901173 | | Services: | Forum | Review | PDF | Favorites | |
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