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Date and Time of the Query: 2019-06-24 T02:47:40 PDT
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For refcode 2014ApJS..215...14D:
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Copyright by American Astronomical Society. Reproduced by permission
2014ApJS..215...14D The WISE Blazar-like Radio-loud Sources: An All-sky Catalog of Candidate gamma-ray Blazars D'Abrusco, R.; Massaro, F.; Paggi, A.; Smith, H. A.; Masetti, N.; Landoni, M.; Tosti, G. Abstract. We present a catalog of radio-loud candidate gamma-ray emitting blazars with WISE mid-infrared colors similar to the colors of confirmed gamma-ray blazars. The catalog is assembled from WISE sources detected in all four WISE filters, with colors compatible with the three-dimensional locus of the WISE gamma-ray emitting blazars, and which can be spatially cross-matched with radio sources from one of the three radio surveys: NVSS, FIRST, and/or SUMSS. Our initial WISE selection uses a slightly modified version of previously successful algorithms. We then select only the radio-loud sources using a measure of the radio-to-IR flux, the q_22_ parameter, which is analogous to the q_24_ parameter known in the literature but which instead uses the WISE band-four flux at 22 micron. Our final catalog contains 7855 sources classified as BL Lacs, FSRQs, or mixed candidate blazars; 1295 of these sources can be spatially re-associated as confirmed blazars. We describe the properties of the final catalog of WISE blazar-like radio-loud sources and consider possible contaminants. Finally, we discuss why this large catalog of candidate gamma-ray emitting blazars represents a new and useful resource to address the problem of finding low-energy counterparts to currently unidentified high-energy sources. Key words: BL Lacertae objects: general, catalogs, galaxies: active, radiation mechanisms: non-thermal
Retrieve 7858 NED objects in this reference.
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