TITLE: GCN CIRCULAR NUMBER: 11456 SUBJECT: Konus-Wind observation of GRB 101213A DATE: 10/12/14 14:03:15 GMT FROM: Dmitry Frederiks at Ioffe Institute S. Golenetskii, R.Aptekar, D. Frederiks, E. Mazets, V. Pal'shin, P. Oleynik, M. Ulanov, D. Svinkin, and T. Cline on behalf of the Konus-Wind team, report: The long GRB 101213A (Swift/BAT trigger #440285: Sakamoto, et al., GCN 11448; Cummings, et al., GCN 11453) triggered Konus-Wind at T0=38958.472s UT (10:49:18.472) The burst light curve consists of two overlapping pulses with a total duration of ~50 s. The emission is seen up to ~2 MeV. The Konus-Wind light curve of this GRB is available at http://www.ioffe.ru/LEA/GRBs/GRB101213_T38958/ As observed by Konus-Wind, the burst had a fluence of (1.3 ± 0.3)x10-5 erg/cm2, and a 256-ms peak flux, measured from T0-0.512s, of (0.60 ± 0.15)x10-6 erg/cm2/s (both in the 20 keV - 2 MeV energy range). The time-integrated spectrum of the burst (measured from T0 to T0+41.216 s) is best fit in the 20 keV - 2 MeV range by the GRB (Band) model, for which: the low-energy photon index alpha = -0.7 (-0.3, +0.4), the high energy photon index beta = -2.3 (-1.5, +0.3), the peak energy Ep = 198(-49, +92)keV, chi2 = 51/59 dof. All the quoted results are preliminary. All the quoted errors are at the 90% confidence level.