Open AccessInterplanetary Network Localization of GRB 991208 and the Discovery of its Afterglow
Author(s) -
K. Hurley,
T. Cline,
E. Mazets,
R. Aptekar,
S. Golenetskii,
D. Frederiks,
D. A. Frail,
S. R. Kulkarni,
J. I. Trombka,
T. P. McClanahan,
R. Starr,
J. Goldsten
Publication year - 2000
Publication title -
the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/312645
Subject(s) - gamma ray burst , interplanetary spaceflight , astrophysics , physics , redshift , astronomy , asteroid , afterglow , flux (metallurgy) , solar wind , galaxy , materials science , quantum mechanics , metallurgy , magnetic field
The extremely energetic ( approximately 10-4 ergs cm-2) gamma-ray burst (GRB) of 1999 December 8 was triangulated to an approximately 14 arcmin2 error box approximately 1.8 days after its arrival at Earth with the third interplanetary network (IPN), which consists of the Ulysses, Near-Earth Asteroid Rendezvous, and Wind spacecraft. Radio observations with the Very Large Array approximately 2.7 days after the burst revealed a bright fading counterpart whose position is consistent with that of an optical transient source with a redshift of 0.707. We present the time history, peak flux, fluence, and refined 1.3 arcmin2 error box of this event and discuss its energetics. This is the first time that a counterpart has been found for a GRB localized only by the IPN.
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