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Feasibility of a Small, Rapid Optical/IR Response, Next Generation Gamma-Ray Burst Mission

Published online by Cambridge University Press:  22 July 2013

B. Grossan
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation University of California at Berkeley Space Sciences Laboratory, USA
G.F. Smoot
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation University of California at Berkeley, USA
V.V. Bogomolov
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
S.I. Svertilov
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
N.N. Vedenkin
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
M. Panasyuk
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
B. Goncharov
Affiliation:
Moscow State University, Russian Federation
G. Rozhkov
Affiliation:
Moscow State University, Russian Federation
K. Saleev
Affiliation:
Moscow State University, Russian Federation
E. Grobovskoj
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
A.S. Krasnov
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
V.S. Morozenko
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
V.I. Osedlo
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
E. Rogkov
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
T.V. Vachenko
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation
E.V. Linder
Affiliation:
Extreme Universe Laboratory, Moscow State University, Russian Federation University of California at Berkeley Space Sciences Laboratory, USA
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Abstract

We present motivations for and study feasibility of a small, rapid-optical/IR response gamma-ray burst (GRB) space observatory. By analyzing existing GRB data, we give realistic detection rates for X-ray and optical/IR instruments of modest size under actual flight conditions. Given new capabilities of fast optical/IR response (~1 s to target) and simultaneous multi-band imaging, such an observatory can have a reasonable event rate, likely leading to new science. Requiring a Swift-like orbit, duty cycle, and observing constraints, a Swift-BAT scaled down to 190 cm2 of detector area would still detect and locate about 25 GRB yr-1 for a trigger threshold of 6.5σ. About 23% of X–ray located GRB would be detected optically for a 10 cm diameter instrument (~6 yr-1 for the 6.5σ X-ray trigger).

Type
Research Article
Copyright
© EAS, EDP Sciences 2013

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References

Burrows, D.N., Fox, D., Palmer, D., et al., 2012, Mem. Suppl. Soc. Astron. Ital., 21, 59
Connell, P., 2012, presentation, this conf., and priv. comm.
Grossan, B., Park, I.H., Ahmad, S., et al., 2012, SPIE Astronomical Telescopes + Instrumentation (Amsterdam RAI, The Netherlands, July 1-6), 8443, 84432R Google Scholar
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