GRB 161214A
GCN Circular 20251
Subject
GRB 161214A: A long GRB detected by INTEGRAL
Date
2016-12-14T06:25:13Z (9 years ago)
From
Sandro Mereghetti at IASF-Milano/INAF <sandro@iasf-milano.inaf.it>
S.Mereghetti (IASF-Milano), D.Gotz (CEA, Saclay), C.Ferrigno, E.Bozzo,
J.G.Victor (ISDC, Versoix), and J.Borkowski (CAMK, Torun) on behalf of the
IBAS Localization Team report:
a long gamma ray burst has been detected by IBAS in the IBIS/ISGRI data at
4:46:07 UT of 2016 December 14
The refined coordinates (J2000) are:
R.A.= 190.757 deg
DEC.= 6.853 deg
with an uncertainty of 2.5 arcmin (90% c.l.).
The burst had an initial peak lasting about 7 s with peak flux of about
0.3 counts/cm2/s (20-200 keV, 1-s integration time) and fluence of 1.5e-7
erg/cmq, followed by fainter emission lasting about one minute.
The relatively low significance of the trigger was due to the fact that
one of the eight modules composing the ISGRI detector was temporarily off
during the burst.
A plot of the light curve will be posted at
http://ibas.iasf-milano.inaf.it/IBAS_Results.html
[GCN OPS NOTE(14dec16): Per author's request, the date in the first
sentence was corrected from Dec 12 to Dec 14.]
GCN Circular 20252
Subject
GRB 161214A: fading optical afterglow candidate with the LT
Date
2016-12-14T07:46:37Z (9 years ago)
From
Cristiano Guidorzi at Ferrara U,Italy <guidorzi@fe.infn.it>
C. Guidorzi (U. Ferrara), C.G. Mundell (Bath), S. Kobayashi, I.A. Steele
(LJMU), A. Gomboc (U. Nova Gorica) on behalf of a large collaboration
report:
The 2-m Liverpool Telescope automatically began observing INTEGRAL GRB
161214A (Mereghetti et al., GCN 20251) in the SDSS r. Within the
INTEGRAL error circle we find an uncatalogued fading object at the
following position:
RA(J2000)= 12:43:00.36
Dec(J2000)= +06:51:50.1
with a 1 arcsec error radius and magnitudes of r=19.66 +- 0.07 at 35
minutes, and r=19.95 +- 0.07 at 61 minutes post GRB trigger as
calibrated against nearby SDSS stars.
GCN Circular 20254
Subject
GRB 161214A: TAROT Calern observatory optical observations
Date
2016-12-14T12:17:29Z (9 years ago)
From
Alain Klotz at IRAP-CNRS-OMP <Alain.Klotz@free.fr>
Klotz A., Turpin D., Atteia J.L. (CNRS-OMP-IRAP),
Boer, M., Laugier, R. (CNRS-ARTEMIS),
Gendre B. (UVI - Etelman Obs.) report:
We imaged the field of GRB 161214A detected by INTEGRAL
(trigger 7644) with the TAROT robotic telescope (D=25cm)
located at the Calern observatory, France.
The observations started 24.6s after the GRB trigger
(17.7s after the notice). The elevation of the field increased from
45 degrees above horizon and weather conditions
were good until the end of the night.
The first image is trailed with a duration of 60.0s
(see the description in Klotz et al., 2006, A&A 451, L39).
We detected the couterpart mentioned by Guidorzi
et al. (GCNC 20252). The optical afterglow reached flux peak
at t0+240s (+/- 15s). The early light curve:
t0 + 25 s to t0 + 85s : Rlim = 16.6 (trailed image)
t0 + 99 s to t0 + 211s : Rlim = 17.1
t0 + 222 s to t0 + 293s : R = 16.9 +/- 0.3
t0 + 304 s to t0 + 899s : R = 17.4 +/- 0.3
t0 + 910 s to t0 + 2180s : R = 18.7 +/- 0.4
Magnitudes were estimated with the nearby star
NOMAD-1 0968-0244492 ra=190.7246097 dec=+06.8741839
R=15.04.
Magnitudes were estimated with the nearby USNO-B1 stars
and are not corrected for galactic dust extinction.
N.B. Galactic coordinates are lon=296.86 lat=+69.60
and the galactic extinction in R band is about 0.1 magnitudes
estimated from D. Schlegel et al. 1998ApJ...500..525S.
GCN Circular 20255
Subject
GRB 161214A: GROND afterglow observations
Date
2016-12-14T12:45:02Z (9 years ago)
From
Thomas Kruehler at MPE Garching <kruehler@mpe.mpg.de>
T. Kruehler and J. Greiner (both MPE Garching) report on behalf
of the GROND team:
We observed the field of GRB 161214A (INTEGRAL trigger 7644;
Mereghetti et al., GCN #20251) simultaneously in g'r'i'z'JHK with
GROND (Greiner et al. 2008, PASP 120, 405) mounted at the 2.2m MPG
telescope at the ESO La Silla Observatory (Chile).
Observations started at 08:39 UT on 2016-12-14, 3.9 hr after the GRB
trigger. They were performed at an average seeing of 1".3, and at an
average airmass of 1.8.
Based on combined images with 9.7 min of total exposures in g'r'i'z'
and 10.0 min in JHK at a mid-time of 08:45 UT on 2016-12-14,
we derive the following preliminary magnitudes (all in AB system)
for the optical/NIR afterglow (Guidorzi et al., GCN 20252).
g' = 21.7 +- 0.2 mag
r' = 21.0 +- 0.1 mag
i' = 20.6 +- 0.1 mag
z' = 20.4 +- 0.1 mag
J = 20.2 +- 0.2 mag
H = 20.2 +- 0.3 mag
Given magnitudes are calibrated against SDSS/2MASS field stars and
are not corrected for the expected Galactic foreground extinction
corresponding to a reddening of E_(B-V) = 0.02 mag in the direction of
the burst (Schlafly & Finkbeiner 2011).
GCN Circular 20258
Subject
GRB 161214A: NOT observations of the afterglow
Date
2016-12-14T17:47:41Z (9 years ago)
From
Daniele Malesani at Dark Cosmology Centre, Niels Bohr Inst <malesani@dark-cosmology.dk>
D. Malesani (DARK/NBI and DTU Space), D. Xu (NAOC/CAS), J. Telting
(NOT), E. Gafton, report on behalf of a larger collaboration:
We observed the field of the INTEGRAL GRB 161214A (Mereghetti et al.,
GCN 20251) with the Nordic Optical Telescope (NOT) equipped with the
AlFOSC imaging camera. Observations were carried out at the very end of
the night, starting about 40 min after the morning twilight, and only a
single 200 s exposure taken with the SDSS r filter was useful.
The optical afterglow (Guidorzi et al., GCN 20252; Klotz et al., GCN
20254; Kruehler & Greiner, GCN 20255) is faintly detected in our images.
By comparison with nearby SDSS stars, we measure for the afterglow r =
20.9 +- 0.3 (AB) at a mean epoch 2016 Dec 14.303, that is 2.50 hr after
the GRB.
GCN Circular 20343
Subject
GRB 161214A: MASTER-IAC early optical observations
Date
2016-12-27T16:40:44Z (8 years ago)
From
Vladimir Lipunov at Moscow State U/Krylov Obs <lipunov@xray.sai.msu.ru>
D.Vlasenko, V. Lipunov, E.Gorbovskoy, N.Tyurina, V.Kornilov,
O.Gress, P.Balanutsa, A.Kuznetsov, D.Kuvshinov
Lomonosov Moscow State University, Sternberg Astronomical Institute
R. Rebolo, M. Serra Ricart, N. Lodieu, G. Israelian
The Instituto de Astrofisica de Canarias
R.Podesta, C.Lopez, F.Podesta
Observatorio Astronomico Felix Aguilar (OAFA), San Juan Univerdity,
H. Levato, C. Saffe
Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE)
D.Buckley, S. Potter,
South African Astronomical Observatory
O.Gres, K.Ivanov, J.Rabinovich, N.M.Budnev,
Irkutsk State University
A. Tlatov, V.Senik, D. Dormidontov, A.Parkhomenko
Kislovodsk Solar Station of the Pulkovo Observatory
V.Yurkov, Yu.Sergienko, A.Gabovich
Blagoveschensk Educational State University, Blagoveschensk
MASTER II robotic telescope (MASTER-Net: http://observ.pereplet.ru)
located in IAC was pointed to the GRB161214A 17 sec after notice time
and 27 sec after trigger time at 2016-12-14 04:46:43 UT. On our first (10s
exposure) set we haven`t found optical transient within INTEGRAL
error-box (ra=12 43 47 dec=+06 44 03 r=3.18) (Mereghetti et al., GCN
20251). The 5-sigma upper limit set is about 16.2 mag(polaroid,
unfiltered).
The observations made on zenit distance = 36 degrees, galaxy latitude b =
69 degree.
The moon (99 % bright part) is 40 degrees above the horizon. The distance
between moon and object is 102.6
The sun altitude is -39 degree.
The object can be observed till sunrise at 2016-12-14 07:46:48
Maximal coadded limit ~18.9 m. No OT found.
The message may be cited.