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 - 2023
#notes
1 QSO B2358+189 QSO 00 01 08.62156616 +19 14 33.8017136     20.5 20.50   ~ 33 1
2 ICRF J000319.3+212944 Sy2 00 03 19.35000596 +21 29 44.5083164   21.005 20.580 19.650   ~ 42 1
3 [VV2006] J000416.2+461518 QSO 00 04 16.12764697 +46 15 17.9706652     20.53 20.44   ~ 28 1
4 ICRF J000435.7+201942 BLL 00 04 35.75828557 +20 19 42.3177240     20.81 20.25   ~ 29 1
5 PSR J0007+7303 Psr 00 06 34.20 +73 11 06.6           ~ 162 1
6 SNR G119.5+10.2 SNR 00 06.6 +72 47           ~ 244 1
7 SDSS J011540.51+035643.3 BLL 01 15 40.5116006640 +03 56 43.302378840 18.04 18.01 17.82 19.2   ~ 49 2
8 ICRF J011818.4+025805 Sy1 01 18 18.4816422984 +02 58 05.790609192     17.5     ~ 132 1
9 QSO B0119+041 Bla 01 21 56.86169274 +04 22 24.7342932   19.2 19.5 19.40   ~ 179 1
10 4C 15.05 Bla 02 04 50.41389294 +15 14 11.0436097   21.9 22.1 21.00   ~ 389 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           ~ 321 2
13 3C 66A BLL 02 22 39.6114771888 +43 02 07.799534304   15.71 15.21 14.5   ~ 852 1
14 UGC 1841 Sy1 02 23 11.41124925 +42 59 31.3853324   15.71 14.81     ~ 547 2
15 3EG J0229+6151 gam 02 25 53 +61 59.2           ~ 22 0
16 QSO B0235+1624 BLL 02 38 38.93010450 +16 36 59.2745528   16.46 15.50 15.92   ~ 1468 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 812 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 3EG J0404+0700 gam 04 06 12.3 +06 39 09           ~ 11 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 QSO B0430+2859 BLL 04 33 37.82985981 +29 05 55.4770576   19.0 17.80 17.06   ~ 142 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 18.58   ~ 238 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 QSO 05 02 15.44592827 +06 09 07.4939771   19.7 19.5 18.3   ~ 80 1
37 6C 051007+555837 QSO 05 14 18.69960090 +56 02 11.0530616       0   ~ 38 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     20.0 19.35   ~ 921 1
42 6C 052928+482031 QSO 05 33 15.86579115 +48 22 52.8077787     19.90     ~ 109 1
43 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5090 0
44 M 1 SNR 05 34 32 +22 00.8           ~ 5975 1
45 GRO J0542+26 gam 05 42 +26.0           ~ 19 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 17.0 +22 34           ~ 1186 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           ~ 69 1
52 NAME Geminga Psr 06 33 54.153 +17 46 12.91           ~ 1166 0
53 PSR J0635+0533 Psr 06 35 17.4 +05 33 21   13.81 12.83     B1IIIe-B2Ve 44 0
54 NAME MONOCEROS NEB SNR 06 38 43 +06 30.2           ~ 236 0
55 8C 0716+714 BLL 07 21 53.4482942664 +71 20 36.363846516   15.5 14.17 14.27   ~ 1232 1
56 QSO J0738+1742 BLL 07 38 07.39375312 +17 42 18.9981506   16.76 16.22 15.78   ~ 953 1
57 6C 073840+545153 BLL 07 42 39.79069953 +54 44 24.6671050     16.90     ~ 106 1
58 2EG J0807+4849 gam 08 08.7 +48 45           ~ 6 1
59 7C 080602.89+522749.00 BLL 08 09 49.1868285744 +52 18 58.249938744   16.11 15.59 14.6   ~ 254 2
60 7C 082754.29+242103.00 QSO 08 30 52.08619250 +24 10 59.8202919   17.62 17.26 16.30   ~ 494 1
61 QSO B0829+047 BLL 08 31 48.8770033992 +04 29 39.086842884   17.10 16.4 14.55   ~ 448 2
62 4C 71.07 QSO 08 41 24.36528508 +70 53 42.1730435     16.5 16.8   ~ 737 1
63 QSO J0854+2006 BLL 08 54 48.8749846272 +20 06 30.639583620   15.91 15.43 15.56   ~ 2210 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   ~ 354 1
66 4C 55.17 Bla 09 57 38.1839604096 +55 22 57.754950636   18.24 17.89     ~ 405 1
67 6C 095456+654857 BLL 09 58 47.2451872176 +65 33 54.819354600     17.0 15.75   ~ 666 1
68 3EG J1009+4855 gam 10 09 59.3 +48 50 30           ~ 18 1
69 7C 1055+5644 BLL 10 58 37.7276569824 +56 28 11.207405028   16.80 16.31 14.58   ~ 190 2
70 Mrk 421 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2553 1
71 ICRF J113245.6+003427 BLL 11 32 45.6184743144 +00 34 27.830851248 18.98 18.54 18.08 17.5   ~ 105 1
72 Ton 599 QSO 11 59 31.83391383 +29 14 43.8268224   14.80 14.41 17.652 13.39 ~ 866 1
73 3EG J1212+2304 gam 12 12 36.0 +23 04 48           ~ 13 1
74 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 826 1
75 4FGL J1224.1+2239 BLL 12 24 01.0361366328 +22 39 39.556803996       19   ~ 19 1
76 6C 122223+435147 BLL 12 24 51.50530154 +43 35 19.2873713   21.12 20.66 20.2   ~ 68 3
77 4C 21.35 Bla 12 24 54.4583146056 +21 22 46.385507388   17.56 17.50 18.2   ~ 641 2
78 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 5616 1
79 3EG J1235+0233 gam 12 35 +02.6           ~ 12 0
80 [VV2006] J123932.7+044305 QSO 12 39 32.75568115 +04 43 05.2330218   20.81 20.56 18.1   ~ 146 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     ~ 84 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   ~ 434 0
85 ICRF J133353.7+505735 QSO 13 33 53.78387760 +50 57 35.9158105   20.09 19.71 19.6   ~ 64 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   ~ 39 1
88 4C 15.54 BLL 16 07 06.43046256 +15 51 34.4855829   20.15 19.49 17.5   ~ 154 2
89 4C 10.45 QSO 16 08 46.20318700 +10 29 07.7757424   18.5 18.0 18.03   ~ 360 1
90 6C 161147+342017 QSO 16 13 41.06424322 +34 12 47.9088535   17.98 17.46 17.07   ~ 607 1
91 NGC 6251 Sy2 16 32 31.96989253 +82 32 16.3999044 15.24 14.66 12.89 7.62   ~ 700 0
92 4C 38.41 QSO 16 35 15.49297809 +38 08 04.5005995   18.14 17.97 17.25   ~ 815 1
93 ICRF J172824.9+042704 Sy1 17 28 24.95272284 +04 27 04.9138307   17.43 16.99 16.24   ~ 209 1
94 2EG J1731+6007 Bla 17 29 03 +60 49.6           ~ 22 0
95 4C 51.37 Bla 17 40 36.97784792 +52 11 43.4073694   18.16 18.5 16.73   ~ 388 1
96 3EG J1822+1641 gam 18 22 03.6 +16 00 06           ~ 12 0
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           ~ 133 1
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           ~ 920 2
103 2EG J1903+0529 gam 19 03 54.0 +05 31 17           ~ 29 1
104 PSR J1928+1746 Psr 19 28 42.8 +17 46 27           ~ 47 0
105 PSR J1958+2846 Psr 19 58 40.1015582448 +28 45 54.108736344           ~ 62 0
106 3FHL J2002.6+6304 BLL 20 02 41.4 +63 02 57           ~ 25 0
107 QSO J2015+371 BLL 20 15 28.72978661 +37 10 59.5147372     21.82 21.4   ~ 271 2
108 SNR G074.9+01.2 SNR 20 16 01.8 +37 12 53           ~ 175 2
109 GRO J2021+37 gam 20 21 19.9 +37 15 12           ~ 92 2
110 GRO J2019+40 gam 20 21.5 +40 26           ~ 127 1
111 PSR J2021+4026 Psr 20 21 30.496 +40 26 53.56           ~ 227 2
112 3EG J2022+4317 gam 20 22 +43.3           ~ 20 0
113 PSR J2028+3332 Psr 20 28 19.876 +33 32 04.23           ~ 58 0
114 QSO B2029+121 BLL 20 31 54.99426552 +12 19 41.3401260     18.5 17.42   ~ 145 1
115 [MT91] 213 Be* 20 32 13.1247390384 +41 27 24.346666440 13.12 13.08 11.266     B0Vp 256 0
116 3EG J2035+4441 gam 20 35 +44.7           ~ 9 0
117 QSO B2032+107 QSO 20 35 22.33330500 +10 56 06.7881888   17.96 16.37 17.4   ~ 177 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     ~ 2161 1
122 BWE 2209+2340 QSO 22 12 05.96631459 +23 55 40.5438259   19   19.69   ~ 206 1
123 PSR J2229+6114 Psr 22 29 05.262 +61 14 08.48           ~ 204 2
124 4C 11.69 QSO 22 32 36.40890093 +11 43 50.9040592   17.75 17.33     ~ 1062 2
125 SDSS J224604.99+154435.3 BLL 22 46 04.9940968404 +15 44 35.400334745           ~ 38 0
126 SDSS J225032.76+174914.9 Bla 22 50 32.7567295767 +17 49 14.907644163           ~ 24 0
127 3C 454.3 Bla 22 53 57.7480438728 +16 08 53.561508864   16.57 16.10 15.22   ~ 2719 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 4C 45.51 QSO 23 54 21.68022501 +45 53 04.2365520   20.6 20.6 19.1   ~ 211 1
132 QSO B2356+196 QSO 23 58 46.0850683944 +19 55 20.303702724     18.0 17.37   ~ 118 1

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2022.11.30-11:13:45

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