Two New Catalogs of Blazar Candidates in the WISE Infrared Sky

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dc.contributor.authorD’Abrusco, Raffaele
dc.contributor.authorÁlvarez Crespo, Nuria
dc.contributor.authorMassaro, Francesco
dc.contributor.authorCampana, Riccardo
dc.contributor.authorChavushyan, Vahram
dc.contributor.authorLandoni, Marco
dc.contributor.authorLa Franca, Fabio
dc.contributor.authorMasetti, Nicola
dc.contributor.authorMilisavljevic, Dan
dc.contributor.authorPaggi, Alessandro
dc.contributor.authorRicci, Federica
dc.contributor.authorSmith, Howard A.
dc.date.accessioned2023-04-18T19:13:00Z
dc.date.available2023-04-18T19:13:00Z
dc.date.issued2019
dc.descriptionIndexación Scopuses
dc.description.abstractWe present two catalogs of radio-loud candidate blazars whose Wide-Field Infrared Survey Explorer (WISE) mid-infrared colors are selected to be consistent with the colors of confirmed γ-ray-emitting blazars. The first catalog is the improved and expanded release of the WISE Blazar-like Radio-Loud Sources (WIBRaLS) catalog presented by D’Abrusco et al. It includes sources detected in all four WISE filters, spatially cross-matched with radio sources in one of three radio surveys and radio-loud based on their q22 spectral parameter. WIBRaLS2 includes 9541 sources classified as BL Lacs, flat-spectrum radio quasars, or mixed candidates based on their WISE colors. The second catalog, called KDEBLLACS, based on a new selection technique, contains 5579 candidate BL Lacs extracted from the population of WISE sources detected in the first three WISE passbands ([3.4], [4.6], and [12]) only, whose mid-infrared colors are similar to those of confirmed, γ-ray BL Lacs. Members of KDBLLACS are also required to have a radio counterpart and be radio-loud based on the parameter q12, defined similarly to the q22 used for the WIBRaLS2. We describe the properties of these catalogs and compare them with the largest samples of confirmed and candidate blazars in the literature. We cross-match the two new catalogs with the most recent catalogs of γ-ray sources detected by the Fermi Large Area Telescope. Since spectroscopic observations of candidate blazars from the first WIBRaLS catalog within the uncertainty regions of γ-ray unassociated sources confirmed that ∼90% of these candidates are blazars, we anticipate that these new catalogs will again play an important role in the identification of the γ-ray sky.es
dc.identifier.citationAstrophysical Journal, Supplement Series Volume 242, Issue 1 2019es
dc.identifier.doi10.3847/1538-4365/ab16f4en
dc.identifier.issn0067-0049
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/48680
dc.language.isoenes
dc.publisherAstrophysical Journal, Supplement Serieses
dc.rights.licenseAttribution 4.0 International (CC BY 4.0)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectBL Lacertae objects: generales
dc.subjectCatalogses
dc.subjectGalaxies: activees
dc.subjectRadiation mechanisms: non-thermal Supporting material: FITS fileses
dc.titleTwo New Catalogs of Blazar Candidates in the WISE Infrared Skyes
dc.typeArtículoes
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