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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Multiwavelength observations of LS i +61°303 with veritas, swift, and rxte
Astrophysical Journal, Volume 700, No. 2, Year 2009
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Description
We present results from a long-term monitoring campaign on the TeV binary LSI +61°303 with VERITAS at energies above 500GeV, and in the 2-10 keV hard X-ray bands with RXTE and Swift, sampling nine 26.5day orbital cycles between 2006 September and 2008 February. The binary was observed by VERITAS to be variable, with all integrated observations resulting in a detection at the 8.8σ (2006/2007) and 7.3σ (2007/2008) significance level for emission above 500GeV. The source was detected during active periods with flux values ranging from 5% to 20% of the Crab Nebula, varying over the course of a single orbital cycle. Additionally, the observations conducted in the 2007-2008 observing season show marginal evidence (at the 3.6σ significance level) for TeV emission outside the apastron passage of the compact object around the Be star. Contemporaneous hard X-ray observations with RXTE and Swift show large variability with flux values typically varying between 0.5 and 3.0 ×10-11ergcm-2s-1 over a single orbital cycle. The contemporaneous X-ray and TeV data are examined and it is shown that the TeV sampling is not dense enough to detect a correlation between the two bands. © 2009. The American Astronomical Society. All rights reserved..
Authors & Co-Authors
Acciari, Victor A.
Ireland, Killybegs
Atlantic Technological University
Aliu, Ester
United States, Newark
University of Delaware
Arlen, Timothy C.
United States, Los Angeles
University of California, Los Angeles
Bautista, M.
Canada, Montreal
Université Mcgill
Beilicke, Matthias
United States, St. Louis
Washington University in St. Louis
Benbow, Wystan R.
United States, Amado
Fred Lawrence Whipple Observatory
Boettcher, M.
United States, Athens
Ohio University
Bradbury, Stella M.
United Kingdom, Leeds
University of Leeds
Bugaev, Viatcheslav V.
United States, St. Louis
Washington University in St. Louis
Butt, Yousaf M.
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Byrum, Karen L.
United States, Lemont
Argonne National Laboratory
Cannon, Anna
Ireland, Dublin
University College Dublin
Cesarini, Andrea
Ireland, Galway
University of Galway
Chow, Y. C.K.
United States, Los Angeles
University of California, Los Angeles
Ciupik, Larry
United States, Chicago
Adler Planetarium
Cogan, Peter
Canada, Montreal
Université Mcgill
Colin, Pierre
United States, Salt Lake City
The University of Utah
Cui, Wei
United States, West Lafayette
Purdue University
Daniel, Michael K.
United Kingdom, Leeds
University of Leeds
United Kingdom, Durham
Durham University
Dickherber, R.
United States, St. Louis
Washington University in St. Louis
Ergin, Tulun
United States, Cambridge
Harvard-smithsonian Center for Astrophysics
Falcone, Abraham D.
United States, University Park
Pennsylvania State University
Fegan, Stephen J.
United States, Los Angeles
University of California, Los Angeles
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Finley, John P.
United States, West Lafayette
Purdue University
Fortin, Pascal
United States, New York
Columbia University
Fortson, Lucy F.
United States, Chicago
Adler Planetarium
Furniss, Amy K.
United States, Santa Cruz
University of California, Santa Cruz
Gall, Daniel
United States, West Lafayette
Purdue University
Gillanders, G. H.
Ireland, Galway
University of Galway
Grube, J.
Ireland, Dublin
University College Dublin
Guénette, Roxanne
Canada, Montreal
Université Mcgill
Gyuk, Geza
United States, Chicago
Adler Planetarium
Hanna, David S.
Canada, Montreal
Université Mcgill
Hays, Elizabeth A.
United States, Greenbelt
Nasa Goddard Space Flight Center
Holder, Jamie A.
United States, Newark
University of Delaware
Horan, Deirdre
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Hui, C. Michelle
United States, Salt Lake City
The University of Utah
Humensky, T. B.
United States, Chicago
The University of Chicago
Kaaret, Phillip E.
United States, Iowa City
University of Iowa
Karlsson, Niklas
United States, Chicago
Adler Planetarium
Kieda, David B.
United States, Salt Lake City
The University of Utah
Kildea, John
United States, Amado
Fred Lawrence Whipple Observatory
Konopelko, Alexander K.
United States, Pittsburgh
Pittsburg State University
Krawczynski, Henric S.
United States, St. Louis
Washington University in St. Louis
Krennrich, Frank
United States, Ames
Iowa State University
Lang, Mark J.
Ireland, Galway
University of Galway
LeBohec, Stephan
United States, Salt Lake City
The University of Utah
Maier, Gernot
Canada, Montreal
Université Mcgill
McCann, Andrew J.
Canada, Montreal
Université Mcgill
McCutcheon, Michael
Canada, Montreal
Université Mcgill
Millis, John P.
United States, Anderson
Anderson University
Moriarty, P.
Ireland, Killybegs
Atlantic Technological University
Mukherjee, Reshmi
United States, New York
Columbia University
Nagai, T. N.
United States, Ames
Iowa State University
Ong, RenéA A.
United States, Los Angeles
University of California, Los Angeles
Otte, Adam Nepomuk
United States, Santa Cruz
University of California, Santa Cruz
Pandel, Dirk
United States, Iowa City
University of Iowa
Perkins, Jeremy S.
United States, Amado
Fred Lawrence Whipple Observatory
Pohl, Martin
United States, Ames
Iowa State University
Quinn, John
Ireland, Dublin
University College Dublin
Ragan, K. J.
Canada, Montreal
Université Mcgill
Reyes, Luis C.
United States, Chicago
The University of Chicago
Reynolds, P. T.
Ireland, Bishopstown
Munster Technological University Mtu
Roache, Emmet T.
United States, Amado
Fred Lawrence Whipple Observatory
Schroedter, Martin
United States, Ames
Iowa State University
Sembroski, Glenn H.
United States, West Lafayette
Purdue University
Smith, Andy W.
United States, Lemont
Argonne National Laboratory
Steele, David
United States, Chicago
Adler Planetarium
Stroh, Michael Cullen
United States, University Park
Pennsylvania State University
Swordy, Simon P.
United States, Chicago
The University of Chicago
Theiling, Mark F.
United States, Amado
Fred Lawrence Whipple Observatory
Toner, J. A.
Ireland, Galway
University of Galway
Varlotta, A.
United States, West Lafayette
Purdue University
Vassiliev, Vladimir V.
United States, Los Angeles
University of California, Los Angeles
Wagner, Robert G.
United States, Lemont
Argonne National Laboratory
Wakely, Scott P.
United States, Chicago
The University of Chicago
Ward, John Ennis
Ireland, Dublin
University College Dublin
Weekes, Trevor C.
United States, Amado
Fred Lawrence Whipple Observatory
Weinstein, Amanda
United States, Los Angeles
University of California, Los Angeles
White, Richard J.
United Kingdom, Leeds
University of Leeds
Williams, David A.
United States, Santa Cruz
University of California, Santa Cruz
Wissel, Stephanie A.
United States, Chicago
The University of Chicago
Wood, Matthew D.
United States, Los Angeles
University of California, Los Angeles
Zitzer, Benjamin
United States, West Lafayette
Purdue University
Statistics
Citations: 32
Authors: 84
Affiliations: 27
Identifiers
Doi:
10.1088/0004-637X/700/2/1034
ISSN:
0004637X
Research Areas
Environmental