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Radio and Optical Follow-Up Observations and Improved IPN Position of GRB 970111We report on Westerbork 840 MHz, 1.4 and 5 GHz radio observations of the improved IPN-WFC error box of the gamma ray burst GRB 970111, between 26.4 hours and 120 days after the event onset. In the approximately 16 sq arcmin area defined by the IPN (BATSE and Ulysses) annulus and the published refined BeppoSAX Wide Field Camera (WFC) error box we detected no steady sources brighter than 0.56 mJy (4sigma), and no varying radio emission, down to 1.0 mJy (4sigma). We also report on B, V, R and I band observations of the error box with the 4.2 m William Herschel Telescope at La Palma. Subject headings: gamma rays: bursts - gamma rays: individual (GRB 9701 1 1)
Document ID
19990097529
Acquisition Source
Marshall Space Flight Center
Document Type
Reprint (Version printed in journal)
Authors
Galama, T. J.
(Amsterdam Univ. Netherlands)
Groot, P. J.
(Amsterdam Univ. Netherlands)
Strom, R. G.
(Amsterdam Univ. Netherlands)
vanParadijs, J.
(Amsterdam Univ. Netherlands)
Hurley, K.
(California Univ. Berkeley, CA United States)
Kouveliotou, C.
(Universities Space Research Association Huntsville, AL United States)
Fishman, G. J.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Meegan, C. A.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Heise, J.
(Space Research Organization Netherlands Utrecht, Netherlands)
intZand, J. J. M.
(Space Research Organization Netherlands Utrecht, Netherlands)
Date Acquired
August 19, 2013
Publication Date
January 1, 1997
Publication Information
Publication: Astrophysical Journal
Publisher: Chicago Univ.
Subject Category
Space Radiation
Distribution Limits
Public
Copyright
Other

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