AGN Population at 10^-13 erg s-1 cm-2: Results from Optical Identification of ASCA Surveys
| dc.creator | Akiyama, Masayuki | |
| dc.date | 2001-01-04 | |
| dc.date.accessioned | 2026-07-07T01:57:15Z | |
| dc.date.available | 2026-07-07T01:57:15Z | |
| dc.description | In this paper, results of optical identification of ASCA surveys are summarized. To understand luminous AGNs in the z<1 universe, the ASCA AGN sample is still better than samples of AGNs from deep Chandra or XMM-Newton surveys. Combining the identified sample of AGNs from ASCA Large Sky Survey and Medium Sensitivity Survey, the sample of hard X-ray selected AGNs have been expanded up to about 80 AGNs above the flux limit of 10^{-13} erg s^{-1} cm^{-2} in the 2-10keV band. One fifth of the ASCA AGNs are absorbed narrow-line AGNs. The luminosity distribution of the absorbed AGNs is limited below 10^{45} erg s^{-1}, though there are 14 non-absorbed broad-line AGNs are detected above the luminosity. The result suggests lack of absorbed luminous AGNs (deficiency of type 2 QSO). | |
| dc.description | 6 pages with 3 figures, to appear in the proceeding of "X-ray Astronomy 2000" (Palermo, 4-9 Sep. 2000) | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0101051 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0101051 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/2314 | |
| dc.subject | Astrophysics | |
| dc.title | AGN Population at 10^-13 erg s-1 cm-2: Results from Optical Identification of ASCA Surveys | |
| dc.type | text |