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Constraints on an Optical Afterglow and on Supernova Light Following the Short Burst GRB 050813

Year: 2007
Type: article
Abstract: We report early follow-up observations of the error box of the short burst GRB 050813 using the telescopes at Calar Alto and Observatorio Sierra Nevada, followed by deep VLT FORS2 I -band observations obtained under very good seeing conditions 5.7 and 11.7 days after the event. Neither a fading afterglow nor a rising SN component was found, so the potential GRB host galaxy has not been identified based on a comparison of the two VLT images taken at different epochs. We discuss whether any of the galaxies present in the original 10'' XRT error circle could be the host. In any case, the optical afterglow of GRB 050813 was of very low luminosity. We conclude that all these properties are consistent with the binary compact merger hypothesis for the progenitor of GRB 050813.
DOI: 10.1086/522793
Authors: P. Ferrero, S. F. Sanchez, D. A. Kann, S. Klose, J. Greiner, J. Gorosabel, D. H. Hartmann, A. A. Henden, P. Møller, E. Palazzi, A. Rau, B. Stecklum, A. J. Castro-Tirado, J. P. U. Fynbo, J. Hjorth, P. Jakobsson, C. Kouveliotou, N. Masetti, E. Pian, N. R. Tanvir, R. A. M. J. Wijers
Institutions: Thüringer Landessternwarte Tautenburg, Calar Alto Observatory, Max Planck Institute for Extraterrestrial Physics, Instituto de Astrofísica de Andalucía, Clemson University, Universities Space Research Association, United States Naval Observatory, U.S. Naval Observatory Flagstaff Station, European Southern Observatory, Istituto di Astrofisica Spaziale e Fisica Cosmica di Bologna, National Institute for Astrophysics, California Institute of Technology, University of Copenhagen, University of Hertfordshire, National Space Science and Technology Center, Trieste Astronomical Observatory, University of Leicester, University of Amsterdam
Language: English
Open Access status: bronze
OpenAlex ID: W2003563428
FWCI: 2.184
Cites: 59
Cited by: 24
Related to: 10