2003ApJ...590..109S

Query : 2003ApJ...590..109S

2003ApJ...590..109S - Astrophys. J., 590, 109-122 (2003/June-2)

The gamma-ray blazar content of the northern sky.

SOWARDS-EMMERD D., ROMANI R.W. and MICHELSON P.F.

Abstract (from CDS):

Using survey data, we have re-evaluated the correlation of flat-spectrum radio sources with EGRET sources in the northern sky. An analysis incorporating the radio and X-ray properties and the γ-ray source localization is used to gauge the reliability of associations and to search for counterparts of previously unidentified EGRET sources. Above|b|=10°, where the classification is complete, we find that 70% of the northern EGRET sources have counterparts similar to the bright EGRET blazars. For several of these we identify known blazar counterparts more likely than the earlier proposed 3EG association; for ∼20 we have new identifications. Spectroscopic confirmation of these candidates is in progress, and we have found flat-spectrum radio quasars and BL Lacertae counterparts with redshifts as high as 4. We also find strong evidence for a set of 28 objects with no plausible counterpart like the known EGRET blazars. These thus represent either a new extragalactic population or a population of Galactic objects with a large scale height. The survey has been extended into the plane, where we find several new blazar candidates; the bulk of the sources are, however, Galactic. Looking ahead to the GLAST era, we predict that several of the present 3EG sources are composite and that higher resolution data will break these into multiple blazar identifications.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: BL Lacertae Objects: General - Galaxies: Active - Gamma Rays: Observations - Surveys

VizieR on-line data: <Available at CDS (J/ApJ/590/109): table1.dat notes.dat table2.dat>

Simbad objects: 132

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Number of rows : 132
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 TXS 2358+189 Bla 00 01 08.62156616 +19 14 33.8017136     20.5 20.50   ~ 41 1
2 QSO J0003+2129 Bla 00 03 19.35000596 +21 29 44.5083164   21.005 20.580 19.650   ~ 49 1
3 [VV2006] J000416.2+461518 Bla 00 04 16.12764697 +46 15 17.9706652     20.53 20.44   ~ 36 1
4 ICRF J000435.7+201942 BLL 00 04 35.75828557 +20 19 42.3177240     20.81 20.25   ~ 36 1
5 SNR G119.5+10.2 SNR 00 06.6 +72 47           ~ 268 1
6 PSR J0007+7303 Psr 00 07 00.6000137 +73 03 06.849976           ~ 183 1
7 SDSS J011540.51+035643.3 BLL 01 15 40.5116006640 +03 56 43.302378840 18.04 18.01 17.82 19.2   ~ 63 1
8 ICRF J011818.4+025805 Sy1 01 18 18.4816422984 +02 58 05.790609192     17.5     ~ 142 1
9 QSO B0119+041 Bla 01 21 56.86169274 +04 22 24.7342932   19.2 19.5 19.40   ~ 200 1
10 4C 15.05 Bla 02 04 50.41389294 +15 14 11.0436097   21.9 21.00 21.00   ~ 426 1
11 GRO J0215+11 gam 02 16 00.0 +11 22 48           ~ 21 0
12 PSR J0218+42 Psr 02 18 06.3604 +42 32 17.365           ~ 365 2
13 3C 66A BLL 02 22 39.6114771888 +43 02 07.799534304   15.71 15.21 14.5   ~ 942 2
14 Z 538-57 Sy1 02 23 11.41124925 +42 59 31.3853324   15.71 14.81     ~ 582 2
15 3EG J0229+6151 gam 02 25 53 +61 59.2           ~ 23 0
16 QSO B0235+1624 BLL 02 38 38.93010450 +16 36 59.2745528   16.46 15.50 15.92   ~ 1614 2
17 2EG J0239+2818 gam 02 40 +28.3           ~ 15 1
18 LS I +61 303 HXB 02 40 31.6644419688 +61 13 45.593918580 11.27 11.61 10.75 10.19 9.55 B0Ve 903 2
19 3EG J0245+1758 gam 02 45 +18.0           ~ 10 0
20 2EG J0323+5126 gam 03 24 +51.4           ~ 12 0
21 3EG J0329+2149 gam 03 30 +21.8           ~ 11 0
22 3EG J0348+3510 gam 03 48 +35.2           ~ 6 0
23 NVSS J040608+063920 Bla 04 06 07.9444923035 +06 39 21.989679451           ~ 22 0
24 GRO J0407+17 gam 04 07 +17.2           ~ 13 0
25 3EG J0416+3650 rG 04 16 +36.8           ~ 15 1
26 2EG J0426+1636 gam 04 23 56.5 +16 56 27           ~ 15 1
27 GRO J0421+15 gam 04 27 +13.6           ~ 17 1
28 3EG J0429+0337 gam 04 30 +03.6           ~ 8 0
29 RX J0433.6+2906 BLL 04 33 37.82985981 +29 05 55.4770576   19.0 17.80 17.06   ~ 181 1
30 3EG J0435+6137 gam 04 36 +61.6           ~ 6 0
31 GRO J0438+15 gam 04 39 +15.9           ~ 11 0
32 3EG J0439+1105 gam 04 39 14.4 +11 05 24           ~ 8 0
33 QSO B0446+113 BLL 04 49 07.67110194 +11 21 28.5963618     20.00 18.58   ~ 305 1
34 3EG J0500+2529 gam 05 00 +25.5           ~ 7 0
35 2EG J0506+3424 gam 05 00 52 +34 37.0           ~ 18 0
36 QSO B0459+060 Bla 05 02 15.44592827 +06 09 07.4939771   19.7 19.5 18.3   ~ 103 1
37 6C 051007+555837 Bla 05 14 18.69960090 +56 02 11.0530616           ~ 50 1
38 3EG J0516+2320 gam 05 16 +23.4           ~ 5 1
39 2EG J0520+2626 gam 05 20 14 +26 32.6           ~ 18 0
40 2EG J0521+2206 gam 05 22 +21.8           ~ 14 0
41 QSO J0530+13 Bla 05 30 56.41674741 +13 31 55.1494688     20.00 19.35   ~ 1004 1
42 6C 052927+482100 Bla 05 33 15.86579115 +48 22 52.8077787     19.90     ~ 150 1
43 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
44 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
45 GRO J0542+26 gam 05 42 +26.0           ~ 21 1
46 GRO J0544+39 gam 05 46 +39.8           ~ 14 0
47 2EG J0555+0408 gam 05 56 +04.2           ~ 11 0
48 3EG J0613+4201 gam 06 14 20.6 +41 59 51           ~ 9 0
49 IC 443 SNR 06 17 00.0000000 +22 34 11.998901           ~ 1314 1
50 3EG J0628+1847 gam 06 28 36.1 +18 50 35           ~ 9 0
51 PSR J0633+0632 Psr 06 33 44.136 +06 32 29.48           ~ 93 1
52 PSR J0633+1746 Psr 06 33 54.153 +17 46 12.91           ~ 1308 0
53 EM* GGA 401 HXB 06 35 18.2797640568 +05 33 06.274961892   13.769 12.837 12.512   B2V-B1IIIe 60 0
54 NAME MONOCEROS NEB SNR 06 38 43 +06 30.2           ~ 264 0
55 8C 0716+714 BLL 07 21 53.4482942664 +71 20 36.363846516   15.5 15.50 14.27   ~ 1388 1
56 QSO J0738+1742 BLL 07 38 07.39375312 +17 42 18.9981506   16.76 16.22 15.78   ~ 1045 1
57 6C 073840+545153 BLL 07 42 39.79069953 +54 44 24.6671050     16.90     ~ 138 1
58 2EG J0807+4849 gam 08 08.7 +48 45           ~ 6 1
59 RX J0809.8+5218 BLL 08 09 49.1868285744 +52 18 58.249938744   16.11 15.59 14.6   ~ 302 1
60 7C 082754.29+242103.00 Bla 08 30 52.08619250 +24 10 59.8202919   17.62 17.26 16.30   ~ 563 1
61 QSO B0829+047 BLL 08 31 48.8770033992 +04 29 39.086842884   17.10 16.4 14.55   ~ 511 2
62 4C 71.07 Bla 08 41 24.36528508 +70 53 42.1730435     17.30 16.8   ~ 818 1
63 PG 0851+202 BLL 08 54 48.8749846272 +20 06 30.639583620   15.649 15.146 15.446   ~ 2513 1
64 2EG J0909+6558 gam 09 11 +65.9           ~ 9 0
65 6C 091740+445437 Bla 09 20 58.45848666 +44 41 53.9850947   18.40 18.16 16.55   ~ 407 1
66 4C 55.17 Bla 09 57 38.1839604096 +55 22 57.754950636   18.24 17.89     ~ 459 1
67 6C 095456+654857 BLL 09 58 47.2451872176 +65 33 54.819354600     17.0 15.75   ~ 771 1
68 3EG J1009+4855 gam 10 09 59.3 +48 50 30           ~ 18 1
69 RX J1058.6+5628 BLL 10 58 37.7276569824 +56 28 11.207405028   16.80 16.31 14.58   ~ 232 1
70 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
71 ICRF J113245.6+003427 BLL 11 32 45.6184743144 +00 34 27.830851248 18.98 18.54 18.08 17.5   ~ 131 1
72 Ton 599 Bla 11 59 31.83391383 +29 14 43.8268224   14.80 14.41 17.652 13.39 ~ 989 1
73 RX J1211.9+2242 BLL 12 11 58.6306591752 +22 42 32.946579432   19.13 18.66 18.7   ~ 51 0
74 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 924 1
75 4FGL J1224.1+2239 BLL 12 24 01.0361366328 +22 39 39.556803996       19   ~ 31 1
76 6C 122223+435147 BLL 12 24 51.50530154 +43 35 19.2873713   21.12 20.66 20.2   ~ 90 3
77 7C 122223.5+213929 Bla 12 24 54.4583146056 +21 22 46.385507388   17.56 17.50 18.2   ~ 770 2
78 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 6022 1
79 3EG J1235+0233 gam 12 35 +02.6           ~ 12 0
80 [VV2006] J123932.7+044305 Bla 12 39 32.75568115 +04 43 05.2330218   20.81 20.56 18.1   ~ 191 2
81 2EG J1332+8821 gam 13 08 +87.7           ~ 11 0
82 QSO B1309-216 BLL 13 12 31.5548352888 -21 56 23.389976472 17.56 17.27 17.18     ~ 95 1
83 2EG J1324+2210 gam 13 23 20.1 +22 02 52           ~ 18 0
84 QSO B1331+170 Bla 13 33 35.7827544072 +16 49 04.013500728   16.84 16.71 16.41   ~ 469 1
85 ICRF J133353.7+505735 Bla 13 33 53.7823 +50 57 35.914   20.09 19.71 19.6   ~ 91 1
86 2EG J1346+2942 gam 13 47 12.0 +29 32 24           ~ 21 0
87 87GB 142101.3+375014 BLL 14 23 04.6147460592 +37 37 30.571082328   19.08 18.66 18.3   ~ 53 1
88 4C 15.54 BLL 16 07 06.43046256 +15 51 34.4855829   20.15 19.49 17.5   ~ 181 2
89 4C 10.45 Bla 16 08 46.20318700 +10 29 07.7757424   18.5 18.70 18.03   ~ 409 1
90 6C 161147+342017 Bla 16 13 41.06424322 +34 12 47.9088535   17.98 17.46 17.07   ~ 673 1
91 NGC 6251 Bla 16 32 31.96989253 +82 32 16.3999044 15.24 14.66 12.89 7.62   ~ 772 1
92 4C 38.41 Bla 16 35 15.49297809 +38 08 04.5005995   18.14 17.97 17.25   ~ 906 1
93 QSO B1725+044 Bla 17 28 24.95272284 +04 27 04.9138307   17.43 16.99 16.24   ~ 245 1
94 2EG J1731+6007 gam 17 29.0 +60 49           ~ 24 0
95 4C 51.37 Bla 17 40 36.97784792 +52 11 43.4073694   18.16 18.70 16.73   ~ 441 1
96 ICRF J182209.9+160014 QSO 18 22 09.9689535120 +16 00 14.841817848           ~ 40 2
97 3EG J1825+2854 gam 18 25 +28.9           ~ 8 0
98 3EG J1824+3441 gam 18 25 +34.7           ~ 11 0
99 GRO J1834+01 gam 18 29 +01.7           ~ 20 0
100 PSR J1836+5925 Psr 18 36 13.661 +59 25 29.77           ~ 153 0
101 3EG J1850+5903 gam 18 50 +59.0           ~ 6 0
102 SNR G034.6-00.5 SNR 18 56 10.650 +01 13 21.30           ~ 1034 2
103 2EG J1903+0529 gam 19 03 54.0 +05 31 17           ~ 34 1
104 PSR J1928+1746 Psr 19 28 42.8 +17 46 27           ~ 62 0
105 PSR J1958+2846 Psr 19 58 40.1015582448 +28 45 54.108736344           ~ 81 0
106 1RXS J200245.4+630226 BLL 20 02 45.3460785336 +63 02 33.120412620   21.6   20.7   ~ 37 0
107 QSO J2015+371 BLL 20 15 28.72978661 +37 10 59.5147372     21.82 21.4   ~ 324 2
108 SNR G074.9+01.2 SNR 20 16 02.4 +37 12 48           ~ 195 2
109 GRO J2019+40 gam 20 21.5 +40 26           ~ 131 1
110 PSR J2021+4026 Psr 20 21 30.496 +40 26 53.56           ~ 300 2
111 3EG J2022+4317 gam 20 22 +43.3           ~ 20 0
112 GRO J2021+37 gam 20 22 37.2 +37 16 53           ~ 94 2
113 PSR J2028+3332 Psr 20 28 19.876 +33 32 04.23           ~ 71 0
114 QSO B2029+121 BLL 20 31 54.99426552 +12 19 41.3401260     18.5 17.42   ~ 189 1
115 [MT91] 213 Psr 20 32 13.1247390384 +41 27 24.346666440 13.12 13.08 11.266     B0Vp 334 0
116 3EG J2035+4441 gam 20 35 +44.7           ~ 11 0
117 QSO B2032+107 BLL 20 35 22.33330500 +10 56 06.7881888   17.96 16.37 17.4   ~ 218 1
118 3EG J2046+0933 gam 20 46 +09.6           ~ 7 0
119 3EG J2100+6012 gam 21 01 +60.2           ~ 9 1
120 3EG J2206+6602 gam 21 58 43 +65 47.6           ~ 13 1
121 NAME BL Lac BLL 22 02 43.2913536816 +42 16 39.979416792   15.66 14.72     ~ 2397 1
122 QSO B2209+236 Bla 22 12 05.96631459 +23 55 40.5438259   19 20.66 19.69   ~ 257 1
123 PSR J2229+6114 Psr 22 29 05.262 +61 14 08.48           ~ 252 2
124 4C 11.69 Bla 22 32 36.40890093 +11 43 50.9040592   17.75 17.33     ~ 1205 2
125 NVSS J224604+154437 BLL 22 46 04.9940968404 +15 44 35.400334745           ~ 53 1
126 NVSS J225032+174915 Bla 22 50 32.7567295767 +17 49 14.907644163           ~ 35 1
127 3C 454.3 Bla 22 53 57.7480438728 +16 08 53.561508864   16.57 16.10 15.22   ~ 3004 2
128 3EG J2255+1943 gam 22 56 +19.7     14.90     ~ 10 1
129 3EG J2314+4426 gam 23 15 +44.4           ~ 5 0
130 2EG J2354+3811 gam 23 52 +37.9           ~ 14 1
131 6C 235150+453621 Bla 23 54 21.68022501 +45 53 04.2365520   20.6 20.60 19.1   ~ 252 1
132 QSO B2356+196 Bla 23 58 46.0850683944 +19 55 20.303702724     18.0 17.37   ~ 152 1

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