(All information courtesy of the instrument teams.)
Previous IAU Circulars
--------------------------------------------- RA(2000), deg Dec(2000), deg --------------------------------------------- Center: 39.658 (02h 38m 38s) +9.901 ( +9d 54' 05") Corners: 39.371 (02h 37m 29s) +11.649 (+11d 38' 56") 39.926 (02h 39m 42s) +9.863 ( +9d 51' 47") 39.796 (02h 39m 11s) +8.512 ( +8d 30' 43") 39.391 (02h 37m 34s) +9.939 ( +9d 56' 21") ---------------------------------------------The error box area is 2881 sq. arcmin, and its maximum dimension is 3.16 deg (the minimum one is 29.0 arcmin). The Sun distance was 55 deg.
RA : 39.66 deg Dec: 9.90 degthe incident angle in the POLAR coordinate at T0 is:
Theta: 31.4 deg Phi: 239.1 degThe analysis results presented above are preliminary. POLAR is a dedicated Gamma-Ray Burst polarimeter which was launched on-board the Chinese space laboratory Tiangong-2 (TG-2) on Sep 15, 2016. The energy detection range of POLAR is ~ 50-500 keV. More information about POLAR can be found at http://polar.psi.ch/pub , http://polar.ihep.ac.cn/en/ and http://isdc.unige.ch/polar/ .