The Dark Side of ROTSE‐III Prompt GRB Observations
S. A. YostUniversity of Michigan, 2477 Randall Laboratory, 450 Church St., Ann Arbor, MI, 48104F. AharonianMax-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, GermanyC. AkerlofUniversity of Michigan, 2477 Randall Laboratory, 450 Church St., Ann Arbor, MI, 48104M. C. B. AshleySchool of Physics, Department of Astrophysics and Optics, University of New South Wales, Sydney, NSW 2052, AustraliaA. P. BeardmoreNASA/Goddard Space Flight Center, Greenbelt, MD 20771N. GehrelsNASA/Goddard Space Flight Center, Greenbelt, MD 20771E. GoğuşSabancı University, Orhanlı-Tuzla 34956, Istanbul, TurkeyTolga GüverIstanbul University Science Faculty, Department of Astronomy and Space Sciences, 34119, University-Istanbul, TurkeyD. HornsMax-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, GermanyÜ. KızıloğluMiddle East Technical University, 06531 Ankara, TurkeyH. A. KrimmNASA/Goddard Space Flight Center, Greenbelt, MD 20771Timothy A. McKayUniversity of Michigan, 2477 Randall Laboratory, 450 Church St., Ann Arbor, MI, 48104M. E. ÖzelÇanakkale Onsekiz Mart Üniversitesi, Terzioǧlu 17020, Çanakkale, TurkeyA. PhillipsSchool of Physics, Department of Astrophysics and Optics, University of New South Wales, Sydney, NSW 2052, AustraliaR. M. QuimbyDepartment of Astronomy, University of Texas, Austin, TX 78712Gavin RowellMax-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, GermanyW. RujopakarnSteward Observatory Tucson, AZ 85721E. S. RykoffUniversity of Michigan, 2477 Randall Laboratory, 450 Church St., Ann Arbor, MI, 48104Bradley E. SchaeferDepartment of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803D. A. SmithGuilford College, 5800 West Friendly Avenue, Greensboro, NC 27410H. SwanUniversity of Michigan, 2477 Randall Laboratory, 450 Church St., Ann Arbor, MI, 48104W. T. VestrandLos Alamos National Laboratory, NIS-2 MS D436, Los Alamos, NM 87545J. Craig WheelerDepartment of Astronomy, University of Texas, Austin, TX 78712J. WrenLos Alamos National Laboratory, NIS-2 MS D436, Los Alamos, NM 87545F. YuanUniversity of Michigan, 2477 Randall Laboratory, 450 Church St., Ann Arbor, MI, 48104
2007en
ABI
Abstract
We present several cases of optical observations during gamma-ray bursts (GRBs) which resulted in prompt limits but no detection of optical emission. These limits constrain the prompt optical flux densities and the optical brightness relative to the gamma-ray emission. The derived constraints fall within the range of properties observed in GRBs with prompt optical detections, though at the faint end of optical/gamma flux ratios. The presently accessible prompt optical limits do not require a different set of intrinsic or environmental GRB properties, relative to the events with prompt optical detections.
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