Prompt Optical Observations of Gamma-Ray Bursts | Zendy

Carl W. Akerlof | Zendy; R. Balsano | Zendy; S. D. Barthelmy | Zendy; J. Bloch | Zendy; P. S. Butterworth | Zendy; D. Casperson | Zendy; T. Cline | Zendy; S. Fletcher | Zendy; Fillippo Frontera | Zendy; G. Gisler | Zendy; John Heise | Zendy; J. G. Hills | Zendy; K. Hurley | Zendy; R. Kehoe | Zendy; Brian Lee | Zendy; Stuart Marshall | Zendy; Tim McKay | Zendy; Andrew Pawl | Zendy; L. Piro | Zendy; J. Szymański | Zendy; J. Wren | Zendy

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Prompt Optical Observations of Gamma-Ray Bursts

Author(s) -

Carl W. Akerlof,

R. Balsano,

S. D. Barthelmy,

J. Bloch,

P. S. Butterworth,

D. Casperson,

T. Cline,

S. Fletcher,

Fillippo Frontera,

G. Gisler,

John Heise,

J. G. Hills,

K. Hurley,

R. Kehoe,

Brian Lee,

Stuart Marshall,

Tim McKay,

Andrew Pawl,

L. Piro,

J. Szymański,

J. Wren

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 - 10.1086/312567

Subject(s) - gamma ray burst , afterglow , physics , brightness , astrophysics , flux (metallurgy) , fluence , limiting , gamma ray , optical telescope , astronomy , optics , telescope , laser , mechanical engineering , materials science , metallurgy , engineering

The Robotic Optical Transient Search Experiment (ROTSE) seeks to measure simultaneous and early afterglow optical emission from gamma-ray bursts (GRBs). A search for optical counterparts to six GRBs with localization errors of 1 deg2 or better produced no detections. The earliest limiting sensitivity is mROTSE>13.1 at 10.85 s (5 s exposure) after the gamma-ray rise, and the best limit is mROTSE>16.0 at 62 minutes (897 s exposure). These are the most stringent limits obtained for the GRB optical counterpart brightness in the first hour after the burst. Consideration of the gamma-ray fluence and peak flux for these bursts and for GRB 990123 indicates that there is not a strong positive correlation between optical flux and gamma-ray emission.

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