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The Discovery and Broad-band Follow-up of the Transient Afterglow of GRB 980703
J. S. Bloom, D. A. Frail, S. R. Kulkarni +14
We report on the discovery of the radio, infrared and optical transient coincident with an X-ray transient proposed to be the afterglow of GRB 980703. At later times when the trans…
Spectroscopy of the Host Galaxy of the Gamma--Ray Burst 980703
S. G. Djorgovski, S. R. Kulkarni, J. S. Bloom +4
We present spectroscopic observations of the host galaxy of the gamma-ray burst (GRB) 980703. Several emission and absorption features are detected, making the redshift, z = 0.966,…
The Host Galaxy of GRB 970508
J. S. Bloom, S. G. Djorgovski, S. R. Kulkarni +1
We present late-time imaging and spectroscopic observations of the optical transient (OT) of gamma-ray burst (GRB) 970508. Imaging observations roughly 200 and 300 days after the b…
The Discovery of the Radio Afterglow From the Optically Dim Gamma-Ray Burst of March 29, 1998
G. B. Taylor, D. A. Frail, S. R. Kulkarni +3
We report on the discovery of a variable radio source, VLA J070238.0+385044, associated with the proposed x-ray counterpart, 1SAX J0702.6+3850 of GRB 980329. The source was monitor…
No Radio Afterglow from the Gamma-Ray Burst of February 28, 1997
D. A. Frail, S. R. Kulkarni, D. S. Shepherd +1
We present radio observations of the gamma-ray burster GRB 970228 made with the Very Large Array (VLA) and the Owens Valley Radio Observatory (OVRO) spanning a range of postburst t…
Optical Observations of the Isolated Neutron Star RX J0720.4-3125
S. R. Kulkarni, M. H. van Kerkwijk
RX J0720.4-3125 is an unidentified bright soft X-ray source which shows pulsations at a 8.39 s period and has a thermal spectrum. We present deep B and R band images of its X-ray l…