2003ApJ...599..909D

Query : 2003ApJ...599..909D

2003ApJ...599..909D - Astrophys. J., 599, 909-917 (2003/December-3)

Search for high-energy gamma rays from an X-ray-selected blazar sample.

DE LA CALLE PEREZ I., BOND I.H., BOYLE P.J., BRADBURY S.M., BUCKLEY J.H., CARTER-LEWIS D.A., CELIK O., CUI W., DOWDALL C., DUKE C., FALCONE A., FEGAN D.J., FEGAN S.J., FINLEY J.P., FORTSON L., GAIDOS J.A., GIBBS K., GAMMELL S., HALL J., HALL T.A., HILLAS A.M., HOLDER J., HORAN D., JORDAN M., KERTZMAN M., KIEDA D., KILDEA J., KNAPP J., KOSACK K., KRAWCZYNSKI H., KRENNRICH F., LE BOHEC S., LINTON E.T., LLOYD-EVANS J., MORIARTY P., MULLER D., NAGAI T.N., ONG R.A., PAGE M., PALLASSINI R., PETRY D., POWER-MOONEY B., QUINN J., REBILLOT P., REYNOLDS P.T., ROSE H.J., SCHROEDTER M., SEMBROSKI G.H., SWORDY S.P., VASSILIEV V.V., WAKELY S.P., WALKER G. and WEEKES T.C.

Abstract (from CDS):

Our understanding of blazars has been greatly increased in recent years by extensive multiwavelength observations, particularly in the radio, X-ray, and gamma-ray regions. Over the past decade the Whipple 10 m telescope has contributed to this with the detection of five BL Lacertae objects at very high gamma-ray energies. The combination of multiwavelength data has shown that blazars follow a well-defined sequence in terms of their broadband spectral properties. Together with providing constraints on emission models, this information has yielded a means by which potential sources of TeV emission may be identified and predictions made as to their possible gamma-ray flux. We have used the Whipple telescope to search for TeV gamma-ray emission from eight objects selected from a list of such candidates. No evidence has been found for very high energy emission from the objects in our sample, and upper limits have been derived for the mean gamma-ray flux above 390 GeV. These flux upper limits are compared with the model predictions, and the implications of our results for future observations are discussed.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: BL Lacertae Objects: Individual: Alphanumeric: RGB J0214+517 - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: RGB J1117+202 - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: RGB J1725+118 - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: 1ES 0033+595 - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: 1ES 0120+340 - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: 1ES 0229+200 - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: 1ES 0806+524 - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: 1ES 1426+428 - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: 1ES 1553+113 - Galaxies: BL Lacertae Objects: Individual: Alphanumeric: 1ES 1959+650 - Gamma Rays: Observations

Simbad objects: 40

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Number of rows : 40
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 QSO B0033+595 BLL 00 35 52.554 +59 50 04.19     19.5 17.2   ~ 178 2
2 2MASS J01230864+3420485 BLL 01 23 08.6375580816 +34 20 48.664188060     15.2 16.8   ~ 124 1
3 87GB 013336.4+385101 BLL 01 36 32.5983798936 +39 05 59.199517428     15.80 15.5   ~ 128 1
4 ICRF J021417.9+514451 BLL 02 14 17.9358553848 +51 44 51.945795816     16.50 16.5   ~ 116 1
5 3C 66A BLL 02 22 39.6114771888 +43 02 07.799534304   15.71 15.21 14.5   ~ 887 1
6 QSO B0229+200 BLL 02 32 48.6148874688 +20 17 17.486717388   18.0 18.00 13.96   ~ 340 1
7 QSO B0323+022 BLL 03 26 13.9481827296 +02 25 14.675937708   17.05 16.55 15.3   ~ 244 1
8 QSO B0414+009 BLL 04 16 52.4945693352 +01 05 23.899102620   16.86 16.38 16   ~ 287 0
9 Mrk 1506 Sy1 04 33 11.0956735296 +05 21 15.619461552   15.72 15.05 10.08   ~ 2001 2
10 M 1 SNR 05 34 30.9 +22 00 53           ~ 6198 1
11 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5263 0
12 QSO B0548-322 BLL 05 50 40.5705144672 -32 16 16.484718648   16.07 15.5     ~ 409 1
13 2MASS J05580642-3838315 BLL 05 58 06.4316057352 -38 38 31.590709152   17.50 17.1     ~ 86 1
14 QSO B0647+250 BLL 06 50 46.4900658984 +25 02 59.625654828 16.17 15.97 15.79 16.3   ~ 156 2
15 7C 080602.89+522749.00 BLL 08 09 49.1868285744 +52 18 58.249938744   16.11 15.59 14.6   ~ 278 2
16 2MASX J08120189+0237325 BLL 08 12 01.8570721368 +02 37 33.086136180           ~ 37 1
17 QSO J0854+2006 BLL 08 54 48.8749846272 +20 06 30.639583620   15.91 15.43 15.56   ~ 2341 1
18 6C 101157+494057 BLL 10 15 04.1396533776 +49 26 00.706055496   16.56 16.15 14.58   ~ 370 3
19 QSO B1028+511 BLL 10 31 18.5251007784 +50 53 35.817278064   17.25 16.98 16.3   ~ 194 1
20 QSO J1103-2329 BLL 11 03 37.6150845072 -23 29 31.203773520   17.00 16.55 16.61   ~ 381 2
21 Mrk 421 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2681 1
22 87GB 111429.0+203022 BLL 11 17 06.2512673640 +20 14 07.380923028     15.20     ~ 139 1
23 6C 113337+702604 BLL 11 36 26.4090783600 +70 09 27.309071232   15.16 14.49 10.51   ~ 368 1
24 Ton 605 HB* 12 16 53.6748432768 +30 04 08.692883544   16.110 15.98     B 223 0
25 6C 121520+302351 BLL 12 17 52.0819904040 +30 07 00.634936872   16.07 15.62 13.47   ~ 478 1
26 QSO B1218+304 BLL 12 21 21.9426947832 +30 10 37.158534012   16.50 15.85 15.7   ~ 469 1
27 7C 1415+2556 BLL 14 17 56.6706279264 +25 43 26.244368868   18.00 17.2 14.6   ~ 181 0
28 QSO B1426+428 BLL 14 28 32.6090008440 +42 40 21.048123396   16.95 16.45 14.4   ~ 519 2
29 QSO B1440+122 BLL 14 42 48.2771008152 +12 00 40.348597716   18.34 17.63 15.2   ~ 172 2
30 7C 154416.89+820431.00 BLL 15 40 15.8786533752 +81 55 05.781420660     17.6 15.8   ~ 84 1
31 QSO B1553+113 BLL 15 55 43.0440048528 +11 11 24.365649948 14.91 14.72 14.57 13.99   ~ 570 1
32 7C 165211.80+395026.00 BLL 16 53 52.21668403 +39 45 36.6088754 14.09 14.15 13.29 8.26   ~ 2169 2
33 QSO B1722+119 BLL 17 25 04.3409350008 +11 52 15.471967296   16.29 15.77 14.45   ~ 205 1
34 6C 172704+501607 BLL 17 28 18.6242294352 +50 13 10.469553996   16.55 15.97 12.95   ~ 376 1
35 QSO B1741+196 BLL 17 43 57.8330083440 +19 35 09.018846384     16.80 12.7   ~ 170 1
36 QSO B1959+650 BLL 19 59 59.8520303688 +65 08 54.652536492     12.8 11.21   ~ 628 2
37 QSO B2005-489 BLL 20 09 25.3903899240 -48 49 53.725051056   15.75 12.81 11.41   ~ 577 2
38 QSO B2155-304 BLL 21 58 52.0652249880 -30 13 32.118447792   13.36 13.09 12.62   ~ 1738 1
39 NAME BL Lac BLL 22 02 43.2913536816 +42 16 39.979416792   15.66 14.72     ~ 2263 1
40 QSO B2344+514 BLL 23 47 04.8372110928 +51 42 17.877513168     15.50 10.7   ~ 463 0

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