1996A&AS..120C.499L

Query : 1996A&AS..120C.499L

1996A&AS..120C.499L - Astron. Astrophys., Suppl. Ser., 120C, 499-502 (1996/December-3)

EGRET observations of BL Lacertae objects with redshifts below 0.2.

LIN Y.C., BERTSCH D.L., DINGUS B.L., ESPOSITO J.A., FICHTEL C.E., HARTMAN R.C., HUNTER S.D., KANBACH G., KNIFFEN D.A., MATTOX J.R., MAYER-HASSELWANDER H.A., MICHELSON P.F., VON MONTIGNY C., MUKHERJEE R., NOLAN P.L., SCHNEID E.J., SREEKUMAR P., THOMPSON D.J. and WILLIS T.D.

Abstract (from CDS):

In the ``Revised and Updated Catalog of Quasi-Stellar Objects" of Hewitt & Burbidge (1993ApJS...87..451H), 90 sources are designated as BL Lacertae Objects. 11 of these 90 BL Lac objects have redshifts below 0.1, out of which EGRET has detected 3, while 13 of these 90 BL Lac objects have redshifts between 0.1 and 0.2, out of which EGRET has detected 2 more, during Phase 1 and Phase 2 of the Compton Observatory's viewing programs. There seems to be a duty cycle of about 25% for EGRET to detect a close BL Lac object with redshift below 0.2. For the other close BL Lac objects which EGRET did not detect, co-adding of EGRET data also yields no detectable flux. These EGRET results are discussed in the paper.

Abstract Copyright: ∼

Journal keyword(s): BL Lacertae objects: general - gamma rays: observation

CDS comments: Special Issue "3rd Compton Symposium"

Simbad objects: 23

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Number of rows : 23
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 RX J0319.8+1845 BLL 03 19 51.8082475320 +18 45 34.562475432           ~ 223 1
2 ESO 362-21 BLL 05 22 57.98464178 -36 27 30.8512953   15.26 14.62 14.48   ~ 873 2
3 PKS J0550-3216 BLL 05 50 40.5705144672 -32 16 16.484718648   16.07 15.5     ~ 424 1
4 QSO B0829+047 BLL 08 31 48.8770033992 +04 29 39.086842884   17.10 16.4 14.55   ~ 511 2
5 RX J1015.0+4926 BLL 10 15 04.1396533776 +49 26 00.706055496   16.56 16.15 14.58   ~ 400 3
6 PMN J1103-2329 BLL 11 03 37.6150845072 -23 29 31.203773520   17.00 16.55 16.61   ~ 405 1
7 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
8 Z 334-43 BLL 11 36 26.4090783600 +70 09 27.309071232   15.16 14.49 10.51   ~ 394 1
9 PG 1218+304 BLL 12 21 21.9426947832 +30 10 37.158534012   16.50 15.85 15.7   ~ 497 1
10 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 924 1
11 QSO B1229+6430 BLL 12 31 31.3949261640 +64 14 18.280701600   18.36 17.62 14.3   ~ 160 2
12 RX J1404.8+0402 BLL 14 04 50.9113762032 +04 02 02.209070292   16.93 16.61     ~ 142 1
13 6C 141804+543700 BLL 14 19 46.5974051952 +54 23 14.787857796   16.17 15.65 14.16   ~ 630 1
14 RX J1428.5+4240 BLL 14 28 32.6090008440 +42 40 21.048123396   16.95 16.45 14.4   ~ 549 1
15 ESO 514-1 BLL 15 17 41.8134049824 -24 22 19.482207024   15.13 14.00 13.95   ~ 815 3
16 Z 225-7 BLL 16 53 52.21668403 +39 45 36.6088754 14.09 14.15 13.29 8.26   ~ 2304 2
17 RX J1725.0+1152 BLL 17 25 04.3409350008 +11 52 15.471967296   16.29 15.77 14.45   ~ 221 1
18 ZW I 187 BLL 17 28 18.6242294352 +50 13 10.469553996   16.55 15.97 12.95   ~ 396 1
19 Z 340-35 BLL 18 06 50.6802916920 +69 49 28.109609256   14.77 14.22 11.39   ~ 909 1
20 PKS J2009-4849 BLL 20 09 25.3903899240 -48 49 53.725051056   15.75 12.81 11.41   ~ 604 1
21 PKS J2158-3013 BLL 21 58 52.0652249880 -30 13 32.118447792   13.36 13.09 12.62   ~ 1829 1
22 NAME BL Lac BLL 22 02 43.2913536816 +42 16 39.979416792   15.66 14.72     ~ 2397 1
23 QSO B2254+0727 BLL 22 57 17.30311778 +07 43 12.3025633   17.07 16.36     ~ 317 1

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