[vsnet-grb-info 25229] GRB 200306C: BOOTES-1 detection of the optical afterglow
GCN Circulars
gcncirc at capella2.gsfc.nasa.gov
Sat Mar 7 09:07:37 JST 2020
TITLE: GCN CIRCULAR
NUMBER: 27329
SUBJECT: GRB 200306C: BOOTES-1 detection of the optical afterglow
DATE: 20/03/07 00:04:48 GMT
FROM: Alberto J. Castro-Tirado at IAA-CSIC <ajct at iaa.es>
Y.-D. Hu, A. J. Castro-Tirado and E. Fernandez-Garcia (IAA-CSIC), C.
Perez del Pulgar, A. Reina, A. Castellon, I. Carrasco, I. Perez-Garcia
(UMA), F. Rendon (IAA-CSIC and INTA-CEDEA), on behalf of a larger
collaboration, report:
The 30cm BOOTES-1 robotic telescope at INTA-CEDEA in Huelva (Spain)
automatically responded to the Swift trigger of GRB 200306C (Gropp et
al., GCNC 27326). A sequence of 1-s images (clear filter) were obtained
starting at 22:52:28 UT (i.e. 109s after the burst). At the UVOT
position reported by Swift an optical transient is detected with R =
14.9, in agreement with the MASTER (Lipunov et al. GCNC 27324) and FRAM
detections (Jelinek et al. GCNC 27328). A detailed analysis for the
sequence of images which were obtained is ongoing. The magnitude is
calibrated against the USNO-B1 catalog and is not corrected for Galactic
extinction in the direction of the GRB.
We thank the staff at INTA-CEDEA for its excellent support.
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