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TITLE:   GCN CIRCULAR
NUMBER:  21326
SUBJECT: GRB 170710C: a long GRB detected by INTEGRAL
DATE:    17/07/12 10:29:14 GMT
FROM:    Sandro Mereghetti at IASF-Milano/INAF  <sandro@iasf-milano.inaf.it>

S.Mereghetti (IASF-Milano), D.Gotz (CEA, Saclay), C.Ferrigno, E.Bozzo,and 
J.Borkowski (CAMK, Torun) on behalf of the IBAS Localization Team report:

a gamma ray burst lasting about 30 s has been detected by IBAS in the 
IBIS/ISGRI data at 05:05:15 UT of July 10, 2017. Its significance was 
below the threshold for automatic alert delivery

The refined coordinates (J2000) are:

R.A.= 352.2526 deg
DEC.= +51.2935 deg

with an uncertainty of  2.5   arcmin (90% c.l.).

The burst had a peak flux of 0.3 counts/cm2/s (20-200 keV, 1-s integration
time) and a fluence in the same energy range of about 4x10e-7 erg/cmq.

A plot of the light curve will  be posted at
http://ibas.iasf-milano.inaf.it/IBAS_Results.html

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TITLE:   GCN CIRCULAR
NUMBER:  21462
SUBJECT: GRB 170710C: 15 GHz upper limits from AMI
DATE:    17/08/11 17:53:04 GMT
FROM:    Kunal Mooley at Oxford U  <kunal.mooley@physics.ox.ac.uk>

K. P. Mooley (Hintze Fellow, Oxford), T. D. Staley, R. P. Fender 
(Oxford), G. E. Anderson (Curtin), T. Cantwell (Manchester), D. 
Titterington, S. H. Carey, J. Hickish, Y. C. Perrott, N. Razavi-Ghods, 
P. Scott (Cambridge), K. Grainge, A. Scaife (Manchester)

The AMI Large Array triggered on the INTEGRAL alert for GRB 170710C 
(Mereghetti et al., GCN 21326) as part of the 4pisky program, and 
subsequent follow up observations were obtained up to 12 days 
post-burst. Our observations at 15 GHz on 2017 Jul 14.22, Jul 17.14, Jul 
18.14 and Jul 21.11 (UT) do not reveal any transient radio source within 
the INTEGRAL error circle (Mereghetti et al., GCN 21326), with 3sigma 
upper limits of 108 uJy, 90 uJy, 123 uJy and 108 uJy respectively.

We thank the AMI staff for scheduling these observations. The AMI-GRB 
database is a log of all GRB follow up observations with the AMI, and is 
available at http://4pisky.org/ami-grb/.