Search for High‐Energy Gamma Rays from an X‐Ray–selected Blazar Sample | Zendy

I. de la Calle Pérez | Zendy; I. H. Bond | Zendy; P. J. Boyle | Zendy; S. M. Bradbury | Zendy; J. H. Buckley | Zendy; D. A. CarterLewis | Zendy; Ö. Çelik | Zendy; Wei Cui | Zendy; C. Dowdall | Zendy; C. Duke | Zendy; A. Falcone | Zendy; D. J. Fegan | Zendy; S. Fegan | Zendy; J. P. Finley | Zendy; L. Fortson | Zendy; J. A. Gaidos | Zendy; K. Gibbs | Zendy; S. Gammell | Zendy; J. Hall | Zendy; T. A. Hall | Zendy; A. M. Hillas | Zendy; J. Holder | Zendy; D. Horan | Zendy; M. Jordan | Zendy; M. Kertzman | Zendy; D. Kieda | Zendy; J. Kildea | Zendy; J. Knapp | Zendy; K. Kosack | Zendy; H. Krawczynski | Zendy; F. Krennrich | Zendy; S. LeBohec | Zendy; E. Linton | Zendy; J. LloydEvans | Zendy; P. Moriarty | Zendy; D. Müller | Zendy; T. Nagai | Zendy; R. A. Ong | Zendy; K. L. Page | Zendy; R. Pallassini | Zendy; D. Petry | Zendy; B. PowerMooney | Zendy; J. Quinn | Zendy; P. Rebillot | Zendy; P. T. Reynolds | Zendy; H. J. Rose | Zendy; M. Schroedter | Zendy; G. H. Sembroski | Zendy; S. P. Swordy | Zendy; V. V. Vassiliev | Zendy; S. P. Wakely | Zendy; Gary Walker | Zendy; T. C. Weekes | Zendy

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Search for High‐Energy Gamma Rays from an X‐Ray–selected Blazar Sample

Author(s) -

I. de la Calle Pérez,

I. H. Bond,

P. J. Boyle,

S. M. Bradbury,

J. H. Buckley,

D. A. CarterLewis,

Ö. Çelik,

Wei Cui,

C. Dowdall,

C. Duke,

A. Falcone,

D. J. Fegan,

S. Fegan,

J. P. Finley,

L. Fortson,

J. A. Gaidos,

K. Gibbs,

S. Gammell,

J. Hall,

T. A. Hall,

A. M. Hillas,

J. Holder,

D. Horan,

M. Jordan,

M. Kertzman,

D. Kieda,

J. Kildea,

J. Knapp,

K. Kosack,

H. Krawczynski,

F. Krennrich,

S. LeBohec,

E. Linton,

J. LloydEvans,

P. Moriarty,

D. Müller,

T. Nagai,

R. A. Ong,

K. L. Page,

R. Pallassini,

D. Petry,

B. PowerMooney,

J. Quinn,

P. Rebillot,

P. T. Reynolds,

H. J. Rose,

M. Schroedter,

G. H. Sembroski,

S. P. Swordy,

V. V. Vassiliev,

S. P. Wakely,

Gary Walker,

T. C. Weekes

Publication year - 2003

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/379544

Subject(s) - blazar , physics , astrophysics , gamma ray , flux (metallurgy) , telescope , astronomy , wavelength , broadband , optics , materials science , metallurgy

Our understanding of blazars has been greatly increased in recent years byextensive multi-wavelength observations, particularly in the radio, X-ray andgamma-ray regions. Over the past decade the Whipple 10m telescope hascontributed to this with the detection of 5 BL Lacertae objects at very highgamma-ray energies. The combination of multi-wavelength data has shown thatblazars follow a well-defined sequence in terms of their broadband spectralproperties. Together with providing constraints on emission models, thisinformation has yielded a means by which potential sources of TeV emission maybe identified and predictions made as to their possible gamma-ray flux. We haveused the Whipple telescope to search for TeV gamma-ray emission from eightobjects selected from a list of such candidates. No evidence has been found forVHE emission from the objects in our sample, and upper limits have been derivedfor the mean gamma-ray flux above 390GeV. These flux upper limits are comparedwith the model predictions and the implications of our results for futureobservations are discussed.Comment: 15 pages, 2 figures, Accepted for publication in Ap

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