Sample of 877 blazars J/other/AstBu/70 ivo://CDS.VizieR/J/other/AstBu/70.264 doi:10.26093/cds/vizier/dv/hakcge CDS Mingaliev M.G. Sotnikova Yu.V. Mufakharov T.V. Erkenov A.K.,Udovitskiy R.Yu. 2026-03-17T20:07:33Z 2015-08-07T15:11:49Z CDS support team CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France cds-question@unistra.fr active-galactic-nuclei radio-galaxies radio-continuum-emission We study the synchrotron component of the spectral energy distribution on the sample of 877 blazars using ASDC SED Builder Tool with available broadband data from the literature. Our sample includes 423 flat-spectrum radio sources (FSRQs), 361 BL Lac objects and candidates, and 93 blazars of uncertain type. We have made an estimation of the synchrotron peak frequency for the 875 objects and further classified them as high, intermediate and low synchrotron peaked sources (HSPs/ISPs/LSPs). For each source NVSS name (RA (HHMMSS) and DEC (DDMMSS) for the J2000.0 epoch), alias, redshift, R band magnitude, synchrotron peak frequency, correlation coefficient, flux density at 4.8GHz, SED class, blazar type and selection method are presented. 2015AstBu..70..264M https://cdsarc.cds.unistra.fr/viz-bin/cat/J/other/AstBu/70.264 Catalog Research IsServedBy TAP VizieR generic service IsServedBy Conesearch service related-to VIII/65 : 1.4GHz NRAO VLA Sky Survey (NVSS) (Condon+ 1998) J/A+A/495/691 : Multifrequency catalogue of blazars, Roma-BZCAT (Massaro+ 2009) https://cds.unistra.fr/vizier-org/licences_vizier.html https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/other/AstBu/70.264 https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/other/AstBu/70.264 http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/other/AstBu/70.264 https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/other/AstBu/70.264 https://vizier.iucaa.in/viz-bin/votable?-source=J/other/AstBu/70.264 http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/other/AstBu/70.264 GET text/xml+votable https://tapvizier.cds.unistra.fr/TAPVizieR/tap Cone search capability for table J/other/AstBu/70.264/table (Data for 877 objects) https://vizier.cds.unistra.fr/viz-bin/conesearch/J/other/AstBu/70.264/table? https://vizier.iucaa.in/viz-bin/conesearch/J/other/AstBu/70.264/table? http://vizieridia.saao.ac.za/viz-bin/conesearch/J/other/AstBu/70.264/table? GET text/xml+votable 180.0 50000 true 1.3342344 5.4029994 0.005555555555555556 6/1 29 47 80 100 110 158 250 255 304 342 398 421 438 514 521 532 556 579 594 600 615 700 770 893 988 991 1019 1085 1120 1128 1210 1419 1509 1535 1546 1584 1701-1702 2087 2094 2107 2122 2124 2178 2234 2238 2273 2280 2294-2295 2324 2331 2397 2400 2414 2441 2460 2464 2470 2531 2549 2564 2614 2631 2650 2671 2708 2710 2784 2792 3023-3024 3096 3402 3428 3431 3569 3710 3784 3882 3886 3951 4054 4255 4260 4312 4352 4409 4436 4446 4475 4594 4685 4695-4696 4746 4770 4805 4820 4855 4964 4977 4987 5001 5009 5072 5139 5246 5303 5305 5311 5353 5361 5367 5413 5423 5448 5458 5483 5522 5528 5546 5553 5592 5657 5673 5723 5775 5781 5801 5806 5817 5844 5864 5988 5999 6015 6033 6037 6115 6164 6170 6174 6200 6266 6268 6361-6362 6368 6409 6427 6448 6475 6507 6515 6548 6601 6636 6686 6716 6747 6764 6777 6790 6815 6822 6853 6888 6923 6948 6996 7030 7038 7054 7091 7176 7181 7192 7233 7235 7245 7285 7296 7343 7346 7389 7423 7436 7446 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3.180513520130092e-24 https://cdsarc.cds.unistra.fr/viz-bin/moc/J/other/AstBu/70.264?format=ascii Radio default J/other/AstBu/70.264/table Data for 877 objects SimbadName Simbad column added by the CDS meta.id char recno Record number assigned by the VizieR team. Should Not be used for identification. meta.record int NVSS NVSS Name (HHMMSS+DDMMSS, J2000) meta.id;meta.main char OName Alias name meta.id char z [0/4.3] Redshift (from NED) src.redshift float Rmag ? R band magnitude (2) mag phot.mag;em.opt.R float nullable lognup [11.8/18.9]? Logarithm of the synchrotron peak frequency log{nu}_p_ log(Hz) em.freq float nullable k [0/1]? Correlation coefficient (1) stat.fit.param float nullable S4.8 ? Radio flux density at 4.8GHz Jy phot.flux.density;em.radio.3-6GHz float nullable e_S4.8 ? Error of the flux density at 4.8GHz Jy stat.error float nullable Class Classification by SED type (4) src.class char SED Plot the spectrum with SPECFIND (Vollmer et al. 2009, Cat. VIII/85) meta.ref.url char Type Blazar type (2) src.class char Meth Classification by selection method (3) instr.bandpass char _RA Right Ascension (J2000) from SIMBAD (not part of the original data) deg pos.eq.ra;meta.main _DE Declination (J2000) from SIMBAD (not part of the original data) deg pos.eq.dec;meta.main