SIMBAD references

2008ApJS..175..116L - Astrophys. J., Suppl. Ser., 175, 116-127 (2008/March-0)

Seoul national university bright quasar survey in optical (SNUQSO). I. First phase observations and results.

LEE I., IM M., KIM M., KANG E., SHIM H., RICHARDS G.T., EDGE A.C., LEE M.G., PARK C. and PARK M.-G.

Abstract (from CDS):

We present results from the first phase of the Seoul National University Bright Quasar Survey in Optical (SNUQSO) as well as its basic observational setup. Previous and current large-area surveys have been successful in identifying many quasars, but they could have missed bright quasars due to their survey design. In order to help complete the census of bright quasars, we have performed spectroscopic observations of new bright quasar candidates selected from various methods based on optical colors, near-infrared colors, radio, and X-ray data. In 2005/2006, we observed 55 bright quasar candidates using the Bohyunsan Optical Echelle Spectrograph (BOES) on the 1.8 m telescope at the Bohyunsan Optical Astronomy Observatory in Korea. We identify 14 quasars/Seyferts from our observation, including an optically bright quasar with i=14.98 mag at z=0.092 (SDSS J003236.59-091026.2). Non-quasar/Seyfert objects are found to be mostly stars, among which there are five M-type stars and one cataclysmic variable. Our result shows that there still exist bright quasars to be discovered. However, at the same time, we conclude that finding new bright quasars in high Galactic latitude regions is very challenging and that the existing compilation of optically bright quasars is nearly complete in the northern hemisphere.

Abstract Copyright:

Journal keyword(s): Galaxies: Active - Galaxies: Nuclei - Galaxies: Quasars: Emission Lines - quasars: individual (SNUQSO J003236.59-091026.2) - Surveys - Techniques: Spectroscopic

VizieR on-line data: <Available at CDS (J/ApJS/175/116): table1.dat table3.dat>

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 6

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