Physics – Optics
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.7507l&link_type=abstract
American Astronomical Society, AAS Meeting #211, #75.07; Bulletin of the American Astronomical Society, Vol. 39, p.866
Physics
Optics
Scientific paper
We report the discovery of 88 new bright quasars/Seyferts (0.05 < z < 0.4) at low Galactic latitutde from the ongoing survey of bright quasars near the Galactic plane as a part of the Seoul National Unversity Bright Quasar Survey in Optical (SNUQSO). Traditionally, quasars have been searched at high Galactic latitude because of the severe stellar contamination at low Galactic latitude, or also known as the zone of avoidance. In order to find quasars at the zone of avoidanace, we have made an algorithm to find quasars with high efficiency using optical, NIR and radio information. About 300 quasar candidates have observed using the 1.8m telescope at the Bohyunsan Optical Astronomy Observatory (BOAO) and the 2.1m telescope at the Kitt Peak National Observatory (KPNO) during 2006-2007, of which 88 are identified as new bright quasars/Seyferts. These objects will be useful for many astrophysical applications, such as (i) building a complete census of quasar population; (ii) studying the galactic matters using absorption lines; and (iii) studying AGN host galaxies using adaptive optics (AO) with many bright stars nearby for a better AO PSF characterization.
Im Myungshin
Lee Induk
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