GCN Circular 5300
Subject
Host galaxy of GRB050904: 250 GHz upper limit with MAMBO at the IRAM 30m
Event
Date
2006-07-12T13:31:17Z (20 years ago)
From
Fabian Walter at MPIA <walter@mpia.de>
F. Walter (MPIA Heidelberg), C. Carilli (NRAO), F. Bertoldi (AIfA Bonn),
A. Weiss (MPIfR Bonn) report:
We observed the host galaxy of GRB 050904 (GCN 3910) at redshift z=6.29
(GCN 3937), RA 00:54:50.83, Dec +14:05:10 (J2000), with the
Max-Planck-Millimeter Bolometer (MAMBO-2) array at the IRAM 30-m telescope
on 27 February 2006 and 03 March 2006, and obtained a non-detection of
S_nu(250 GHz,1.20mm) = -0.76 +/- 0.45 mJy
(1 sigma error), i.e. a 3 sigma upper flux density limit of 1.35 mJy. The
MAMBO-2 bolometer detectors cover 210-290 GHz (half power). The host
galaxy of GRB 050904 is well within our 10.7 arcsec FWHM beam.
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