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BDRG and shok instruments for study of GRB prompt emission in michaylo lomonosov space mission

Published online by Cambridge University Press:  22 July 2013

A.M. Amelushkin ,
V.V. Bogomolov ,
V.I. Galkin ,
B.V. Goncharov ,
E.S. Gorbovskoy ,
V.G. Kornilov ,
V.M. Lipunov ,
M.I. Panasyuk ,
V.L. Petrov  and
G.F. Smoot
...Show all authors
A.M. Amelushkin
Affiliation:
D.V. Skobeltsyn Institute of Nuclear Physics of M.V. Lomonosov Moscow State University, Leninskie Gory, 1/2, 119991 Moscow, Russia
V.V. Bogomolov
Affiliation:
D.V. Skobeltsyn Institute of Nuclear Physics of M.V. Lomonosov Moscow State University, Leninskie Gory, 1/2, 119991 Moscow, Russia
V.I. Galkin
Affiliation:
D.V. Skobeltsyn Institute of Nuclear Physics of M.V. Lomonosov Moscow State University, Leninskie Gory, 1/2, 119991 Moscow, Russia
B.V. Goncharov
Affiliation:
D.V. Skobeltsyn Institute of Nuclear Physics of M.V. Lomonosov Moscow State University, Leninskie Gory, 1/2, 119991 Moscow, Russia
E.S. Gorbovskoy
Affiliation:
P.K. Shternberg Astronomical Institute of M.V. Lomonosov Moscow State University, Universitetskii prosp. 17, 119992 Moscow, Russia
V.G. Kornilov
Affiliation:
P.K. Shternberg Astronomical Institute of M.V. Lomonosov Moscow State University, Universitetskii prosp. 17, 119992 Moscow, Russia
V.M. Lipunov
Affiliation:
P.K. Shternberg Astronomical Institute of M.V. Lomonosov Moscow State University, Universitetskii prosp. 17, 119992 Moscow, Russia
M.I. Panasyuk
Affiliation:
D.V. Skobeltsyn Institute of Nuclear Physics of M.V. Lomonosov Moscow State University, Leninskie Gory, 1/2, 119991 Moscow, Russia
V.L. Petrov
Affiliation:
D.V. Skobeltsyn Institute of Nuclear Physics of M.V. Lomonosov Moscow State University, Leninskie Gory, 1/2, 119991 Moscow, Russia
G.F. Smoot
Affiliation:
Berkeley Center for Cosmological Physics, Berkeley, California, USA
S.I. Svertilov
Affiliation:
D.V. Skobeltsyn Institute of Nuclear Physics of M.V. Lomonosov Moscow State University, Leninskie Gory, 1/2, 119991 Moscow, Russia
N.N. Vedenkin
Affiliation:
D.V. Skobeltsyn Institute of Nuclear Physics of M.V. Lomonosov Moscow State University, Leninskie Gory, 1/2, 119991 Moscow, Russia
I.V. Yashin
Affiliation:
D.V. Skobeltsyn Institute of Nuclear Physics of M.V. Lomonosov Moscow State University, Leninskie Gory, 1/2, 119991 Moscow, Russia
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Abstract

The study of GRB prompt emission (PE) is one of the main goals of the Lomonosov space mission, which is being prepared at Moscow State University. The GRB monitor (BDRG) and the wide-field optical cameras (SHOK) are intended for detection of GRB prompt emission as well as optical counterparts. The BDRG instrument consists of three identical NaI(Tl)/CsI(Tl) (13.0 × 2.0cm ) phoswich detectors, whose axes determine the Cartesian coordinate system. This allows to localize any GRB source on the sky by means of the count rate seen by each detector with an accuracy of ~2 deg. The SHOK instrument consists of two identical wide-field cameras (WFC) directed in such a way that the field of view (FOV) of each WFC overlaps by the corresponding BDRG FOV, which produces a trigger on the WFC in case of a GRB detection. With this setup, the GRB prompt light curve will be obtained in the visible without any delay with respect to gamma-rays, which is crucial for a GRB central engine understanding.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 61: Gamma-ray Bursts: 15 Years of GRB Afterglows – Progenitors, Environments and Host Galaxies from the Nearby to the Early Universe , 2013 , pp. 553 - 559
Copyright
© EAS, EDP Sciences 2013

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References

Gehrels, N., Ramirez-Ruiz, E., & Fox, D.B., 2009, ARA&A, 47, 567 CrossRef
Sadovnichii, V.A., Panasyuk, M.I., Amelushkin, A.M., et al., 2012, J. Cosmology, 18, 7999