Prompt optical observations of gamma-ray bursts

被引：38

作者：

Akerlof, C

Balsano, R

Barthelmy, S

Bloch, J

Butterworth, P

Casperson, D

Cline, T

Fletcher, S

Frontera, F

Gisler, G

Heise, J

Hills, J

Hurley, K

Kehoe, R

Lee, B

Marshall, S

McKay, T

Pawl, A

Piro, L

Szymanski, J

Wren, J

机构：

[1] Univ Michigan, Dept Astron, Ann Arbor, MI 48109 USA

[2] Univ Calif Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[3] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[4] Univ Ferrara, I-44100 Ferrara, Italy

[5] Ruimteonderzoek, Space Res Org Netherlands, NL-3584 CA Utrecht, Netherlands

[6] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

[7] Fermi Natl Accelerator Lab, Batavia, IL 60510 USA

[8] Univ Calif Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[9] CNR, Inst Astrofis Spaziale, Rome, Italy

来源：

ASTROPHYSICAL JOURNAL | 2000年 / 532卷 / 01期

关键词：

gamma rays : bursts; gamma rays : observations;

D O I：

10.1086/312567

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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 deg(2) or better produced no detections. The earliest limiting sensitivity is m(ROTSE) > 13.1 at 10.85 s (5 s exposure) after the gamma-ray rise, and the best limit is m(ROTSE) > 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.

引用

页码：L25 / L28

页数：4

共 24 条

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