GCN Circular 4537

Subject

GRB 060116: PROMPT Observations

Event

Date

2006-01-17T17:55:21Z (20 years ago)

From

Melissa Nysewander at UNC,Chapel Hill <mnysewan@astro.unc.edu>

M. Nysewander, A. LaCluyze, D. Reichart, J.A. Crain, A. Foster, K. Ivarson,
J. Haislip, C. MacLeod and J. Kirschbrown report on behalf of the UNC team
of the FUN GRB collaboration:

We observed the error region of GRB 060116 (Campana et al., GCN 4519Loading...
 
 ) with
five of the PROMPT telescopes simultaneously in UBg'r'i'Iz' beginning 16.2
hours after the burst under the automated control of SkyNet.  Each exposure
is 80 s long; the table below gives details of the observations:

Filter Telescope  Start (UT) Stop (UT)    # Exp   Total (hr)
 U       P2       00:47:38   07:52:08      272     6.04
 B       P5       03:37:19   06:30:20      114     2.53
 g'      P3       02:59:30   04:39:18      66      1.47
 r'      P4       00:47:41   07:53:25      163     3.62
 I       P1       01:44:18   07:52:13      245     5.44
 i'      P4       03:38:24   06:27:06      115     2.56
 z'      P5       00:47:40   07:53:14      161     3.58

In a 100 x 80s stack, at a mean time of 19.1 hours after the burst, we do
not detect the candidate afterglow (Kocevski et al., GCN 4528Loading...
 
 ) down to a
3-sigma limiting magnitude of I = 21.6 based on 5 USNO-B1.0 magnitudes.

PROMPT is currently being built and commissioned at CTIO.