SIMBAD references

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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