VERITAS Observations of the Nova in V407 Cygni
Abstract
We report on very high energy (E > 100 GeV) gamma-ray observations of V407 Cygni, a symbiotic binary that underwent a nova outburst producing 0.1-10 GeV gamma rays during 2010 March 10-26. Observations were made with the Very Energetic Radiation Imaging Telescope Array System during 2010 March 19-26 at relatively large zenith angles, due to the position of V407 Cyg. An improved reconstruction technique for large zenith angle observations is presented and used to analyze the data. We do not detect V407 Cygni and place a differential upper limit on the flux at 1.6 TeV of 2.3 \times 10^(-12) erg cm^(-2) s^(-1) (at the 95% confidence level). When considered jointly with data from Fermi-LAT, this result places limits on the acceleration of very high energy particles in the nova.
Keywords
Cite
@article{arxiv.1205.5287,
title = {VERITAS Observations of the Nova in V407 Cygni},
author = {E. Aliu and S. Archambault and T. Arlen and T. Aune and M. Beilicke and W. Benbow and A. Bouvier and S. M. Bradbury and J. H. Buckley and V. Bugaev and K. Byrum and A. Cannon and A. Cesarini and L. Ciupik and E. Collins-Hughes and M. P. Connolly and W. Cui and G. Decerprit and R. Dickherber and C. Duke and J. Dumm and V. V. Dwarkadas and M. Errando and A. Falcone and Q. Feng and J. P. Finley and G. Finnegan and L. Fortson and A. Furniss and N. Galante and D. Gall and S. Godambe and S. Griffin and J. Grube and G. Gyuk and D. Hanna and J. Holder and H. Huan and G. Hughes and T. B. Humensky and P. Kaaret and N. Karlsson and M. Kertzman and Y. Khassen and D. Kieda and H. Krawczynski and F. Krennrich and M. J. Lang and K. Lee and G. Maier and P. Majumdar and S. McArthur and A. McCann and J. Millis and P. Moriarty and R. Mukherjee and P. D Nuñez and R. A. Ong and M. Orr and A. N. Otte and D. Pandel and N. Park and J. S. Perkins and M. Pohl and H. Prokoph and J. Quinn and K. Ragan and L. C. Reyes and P. T. Reynolds and E. Roache and H. J. Rose and J. Ruppel and D. B. Saxon and M. Schroedter and G. H. Sembroski and C. Skole and A. W. Smith and D. Staszak and I. Telezhinsky and G. Tešić and M. Theiling and S. Thibadeau and K. Tsurusaki and J. Tyler and A. Varlotta and S. Vincent and M. Vivier and S. P. Wakely and J. E. Ward and T. C. Weekes and A. Weinstein and T. Weisgarber and R. Welsing and D. A. Williams and B. Zitzer},
journal= {arXiv preprint arXiv:1205.5287},
year = {2015}
}
Comments
17 pages, 4 figures, accepted for publication in ApJ