Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007chjaa...7..595c&link_type=abstract
Chinese Journal of Astronomy & Astrophysics, Vol. 7, p. 595-600
Astronomy and Astrophysics
Astrophysics
1
Galaxies: Active: Individual (Leo Cluster), X-Rays: Galaxies: Quasars
Scientific paper
We aim to provide a quasar sample that is more complete than any previous surveys by using a combined selection technique to reduce the selection effects. Here we present the observational results for the X-ray candidates in the field of the Leo Cluster. We found 33 X-ray AGNs in this field of which 10 are new discoveries. The X-ray data and optical spectra of these AGNs are given. We also study the near-IR properties of the X-ray-selected AGNs by using the data from 2MASS. Most of the AGNs in our sample span the color range 0.0
Bai Yu
Chen Yang
Green Richard F.
He Xiang-Tao
Li Qing-Kang
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