[vsnet-grb-info 25473] GRB 200411A: ATCA 5/9 GHz radio observations
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Tue Apr 14 19:00:07 JST 2020
TITLE: GCN CIRCULAR
NUMBER: 27573
SUBJECT: GRB 200411A: ATCA 5/9 GHz radio observations
DATE: 20/04/14 09:58:55 GMT
FROM: Gemma Anderson at Curtin U <gemma.anderson at curtin.edu.au>
G. E. Anderson (Curtin), M. E. Bell (UTS), J. Stevens (CASS), P. J. Hancock
(Curtin), J. C. A. Miller-Jones (Curtin), M. D. Aksulu (UvA), A. Bahramian
(Curtin), K. W. Bannister (CASS), A. J. van der Horst (GWU), S. D. Ryder
(Macquarie), J-P. Macquart (Curtin), R. M. Plotkin (UNR), A. Rowlinson
(UvA), R. A. M. J. Wijers (UvA)
We used the Australia Telescope Compact Array (ATCA) to perform a radio
observation of the short GRB 200411A. The rapidly scheduled observations
began on 2020 Apr 11.25 UT for 5 hours (1.5 hrs post-burst; Fermi GBM Team
GCN 27535, A. Tohuvavohu et al., GCN 27536). No radio source was detected
at the enhanced Swift-XRT position (J.P. Osborne et al., GCN 27538), with
preliminary 3 sigma upper-limits of 45 microJy and 36 microJy at 5.5 and 9 GHz,
respectively. Further observations are planned.
We thank the ATCA and CSIRO Astronomy and Space Science (CASS) staff for
scheduling these observations.
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