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GCN Circular 22076

Subject
IPN Triangulation of GRB 171030A (short)
Date
2017-10-31T18:30:52Z (6 years ago)
From
Anna Kozlova at Ioffe Institute <ann_kozlova@mail.ioffe.ru>
A. Kozlova, S. Golenetskii, R. Aptekar, D. Frederiks, D. Svinkin,
and T. Cline on behalf of the Konus-Wind team,

K. Hurley, on behalf of the IPN,

V. Connaughton, M. S. Briggs, C. Meegan, V. Pelassa,
and A. Goldstein, on behalf of the Fermi GBM team,

A. von Kienlin, X. Zhang, A. Rau, V. Savchenko, E. Bozzo,
and C. Ferrigno, on behalf of the INTEGRAL SPI-ACS GRB team, and

S. Barthelmy, J. Cummings, H. Krimm, and D. Palmer,
on behalf of the Swift-BAT team, report:

A short-duration GRB 171030A has been detected by
Fermi (GBM trigger 531077390), INTEGRAL (SPI-ACS),
and Swift (BAT), so far, at about 62985 s UT (17:29:45).
The burst was outside the coded field of view of the BAT.

We have triangulated it to a preliminary, 3 sigma error box whose 
coordinates are:
------------------------------------
   RA(2000), deg  Dec(2000), deg
------------------------------------
  Corners:
    47.7467      -25.6001
    37.3056      -48.8763
   117.4353      -11.9668
   118.1759      -5.9280
------------------------------------
The error box maximum dimension is 79.5 deg
(the minimum one is 5.9 deg).

This box may be improved.

A triangulation map is posted at
http://www.ioffe.ru/LEA/GRBs/GRB171030_T62985/IPN

The time history and spectrum will be given in forthcoming GCN 
Circulars.
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