Roma-BZCAT: a multifrequency catalogue of blazars | Astronomy & Astrophysics (A&A)

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Table 1:

Major blazar surveys.
Survey name	Blazar type	Survey type	Number	Reference
			of objects
2 Jansky	BL Lacs+FSRQs	radio flux limited	60	1, 2, 3
		$F(2.7~{\rm GHz}) >$ 2 Jy, $\alpha_r \le 0.4$
1 Jansky	BL Lacs	radio flux limited	34	4
		$F(5~{\rm GHz}) >$ 1 Jy, $\alpha_r \le 0.5$
1 Jy NVSS-RASS	BL Lacs+FSRQs	radio, opt, X-ray selection	157	5
		radio fl. limited, $F(1.4~{\rm GHz}) >$ 1 Jy
1 Jy WMAP	BL Lacs+FSRQs	microwave flux limited	180	6, 7
		$F(61~{\rm GHz}) \gtrsim$ 1 Jy
Parkes 0.25 Jy	BL Lacs+FSRQs	radio flux limited	371	8, 9
		$F(2.7~{\rm GHz}) >$ 0.25 Jy
EMSS	BL Lacs	X-ray flux limited	41	10, 11
		$F_{X} \gtrsim 2\times 10^{-13}$ erg cm^-2 s^-1
IPC slew survey	BL Lacs	X-ray flux limited	51	12
		$F_{X} \gtrsim 2\times 10^{-12}$ erg cm^-2 s^-1
DXRBS	BL Lacs+FSRQs	radio+opt+X-ray selection	227	13, 14
		radio fl. limited
		$F(5~{\rm GHz}) >$ 50 mJy
REX	BL Lacs	radio+opt+X-ray selection	$\sim$ 100	15, 16
RGB	BL Lacs	radio+opt+X-ray selection	127	17
Sedentary	extreme BL Lacs	radio+opt+X-ray selection	150	18, 19
		radio fl. limited
		$F(1.4~{\rm GHz}) >$ 3.5 mJy
CLASS	BL Lacs+FSRQs	radio+opt	147	20, 21
		$F(5~{\rm GHz}) >$ 30 mJy, $\alpha_r \le 0.5$
Gamma-ray Blazars	BL Lacs+FSRQs	radio+X-ray selection	241	22
2dF BL Lac Survey	BL Lacs	Optical selection	56 candidates	23, 24
SDSS BL Lac Survey	BL Lacs	Optical selection	347	25
ROXA	BL Lacs+FSRQs+AGN	radio+opt+X-ray selection	816	26
CGRaBS	BL Lacs+FSRQs+AGN	radio flux limited	1625	27
SDSS-FIRST BL Lac Survey	BL Lacs	Optical+radio selection	501	28

(1) Wall and Peacock (1985), (2) di Serego-Alighieri et al. (1994), (3) Urry, Padovani (1995), (4) Stickel et al. (1991), (5) Giommi et al. (2002), (6) Bennett C.L. et al. (2003) (7) Giommi, Colafrancesco, (2004), (8) jackson et al. (2002), (9) Wall et al. (2005), (10) Stocke et al. (1991), (11) Rector et al. (2000), (12) Perlman et al. (1996), (13) Perlman et al. (1998), (14) Landt et al. (2001), (15) Caccianiga et al. (1999), (16) Caccianiga et al. (2002a), (17) Laurent-Muehleisen et al. (1998), (18) Giommi, Menna, Padovani (1999), (19) Giommi et al. (2005), (20) Marchã et al. (2001), (21) Caccianiga et al. (2002b), (22) Sowards-Emmerd et al. (2005), (23) Londish et al. (2002), (24) Londish et al. (2007), (25) Collinge et al. (2005), (26) Turriziani et al. (2007), (27) Healey et al. (2008), (28) Plotkin et al. (2008).

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