BL Lac Objects in the Sloan Digital Sky Survey (SDSS)
Astrophysics
2019-08-14 v1
Abstract
We collected a sample of 661 confirmed and 361 possible BL Lac candidates from the recent catalog of BL Lac objects (Veron-Cetty & Veron 2006). We searched these sources in the recent data release DR5 of the Sloan Digital Sky Survey (SDSS) and found spectra were available for 169 and 109 confirmed and possible BL Lac candidates respectively. We found 32 candidates from confirmed and 19 candidates from possible BL Lac lists have non featureless spectra and are thus possibly not BL Lac candidates. We report here the preliminary results from our analysis of a sample of 278 BL Lac objects.
Keywords
Cite
@article{arxiv.astro-ph/0612523,
title = {BL Lac Objects in the Sloan Digital Sky Survey (SDSS)},
author = {A. C. Gupta and W. Yuan and X. Dong and T. Ji and H. -Y. Zhou and J. M. Bai},
journal= {arXiv preprint arXiv:astro-ph/0612523},
year = {2019}
}
Comments
Conference proceedings to appear in "The Central Engine of Active Galactic Nuclei", ed. L. C. Ho and J.-M. Wang (San Francisco: ASP)