Hostname: page-component-848d4c4894-tn8tq Total loading time: 0 Render date: 2024-07-04T22:44:54.166Z Has data issue: false hasContentIssue false
  • English
  • Français

The Parsec-scale Jets of Extragalactic TeV Gamma-ray Sources

Published online by Cambridge University Press:  05 March 2013

B. G. Piner ,
P. G. Edwards ,
S. Fodor  and
T. A. Rector
B. G. Piner*
Affiliation:
Department of Physics and Astronomy, Whittier College, 13406 E. Philadelphia St., Whittier, CA 90608, USA
P. G. Edwards
Affiliation:
ISAS, Yoshinodai 3-1-1, Sagamihara, Kanagawa 229-8510, Japan
S. Fodor
Affiliation:
Department of Physics and Astronomy, Whittier College, 13406 E. Philadelphia St., Whittier, CA 90608, USA
T. A. Rector
Affiliation:
NOAO, 950 North Cherry Avenue, Tucson, AZ 85719, USA
*
gpiner@whittier.edu
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We present results of VLBI monitoring observations of the blazars detected by ground-based TeV gamma-ray telescopes. Preliminary results have shown that the apparent speeds of the parsec-scale jet features in these sources are predominantly subluminal, and significantly slower than those in the GeV-peaked (EGRET) gamma-ray blazars. Here we add results from additional sources and additional epochs that increase the statistical significance of this comparison. These slower speeds may indicate rapid deceleration of the jets in TeV blazars between the TeV gamma-ray emitting scales and VLBI scales.

Keywords

BL Lacertae objects: individual (Mrk 501, 1ES 1959+650, PKS 2155–304, 1ES 2344+514)galaxies: activegalaxies: jetsradio continuum: galaxiesradiation mechanisms: non-thermal
Type
Research Article
Information
Publications of the Astronomical Society of Australia , Volume 19 , Issue 1 , 2002 , pp. 114 - 116
Copyright
Copyright © Astronomical Society of Australia 2002

References

Catanese, M., & Weekes, T. C. 1999, PASP, 111, 1193 CrossRefGoogle Scholar
Catanese, M., et al. 1998, ApJ, 501, 616 Google Scholar
Chadwick, P. M., et al. 1999, ApJ, 513, 161 CrossRefGoogle Scholar
Edwards, P. G., Piner, B. G., Fodor, S., & Rector, T. A. 2001, in High Energy Gamma-Ray Astronomy, AIP Conf. Series 558, eds F. A. Aharonian, & H. J. Völk (San Francisco: ASP), 672 Google Scholar
Fey, A. L., & Charlot, P. 1997, ApJS, 111, 95 CrossRefGoogle Scholar
Horan, D., et al. 2001, in Proc. XXVII Int. Cosmic Ray Conf. vol. 7, eds M. Simon, E. Lorenz, & M. Pohl (Hamburg, Germany: IUPAP), 2622 Google Scholar
Jorstad, S. G., Marscher, A. P., Mattox, J. R., Wehrle, A. E., Bloom, S. D., & Yurchenko, A. V. 2001, ApJS, 134, 181 Google Scholar
Kellermann, K. I., Vermeulen, R. C., Zensus, J. A., & Cohen, M. H. 1998, AJ, 115, 1295 CrossRefGoogle Scholar
Marscher, A. P. 1999, APh, 11, 19 Google Scholar
Neshpor, Yu. I., et al. 1998, AstL, 24, 134 Google Scholar
Neshpor, Yu. I., et al. 2001, ARep, 45, 249 Google Scholar
Nishiyama, T., et al. 1999, Proc. XXVI Int. Cosmic Ray Conf., Salt Lake City, eds D. Kieda, M. Salamon, & B. Dingus, 3, 370 Google Scholar
Piner, B. G., Unwin, S. C., Wehrle, A. E., Edwards, P. G., Fey, A. L., & Kingham, K. A. 1999, ApJ, 525, 176 Google Scholar
Punch, M., et al. 1992, Nature, 358, 477 Google Scholar
Quinn, J., et al. 1996, ApJ, 456, L83 CrossRefGoogle Scholar
Zhang, F. J., & Bääth, L. B. 1990, A&A, 236, 47 Google Scholar