[vsnet-grb-info 642] GRB 021219: OSN optical observations

[GCN Circulars <gcncirc@lheawww.gsfc.nasa.gov>]

TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  1775
SUBJECT: GRB 021219: OSN optical observations
DATE:    02/12/20 23:00:11 GMT
FROM:    Alberto Castro-Tirado at Inst.de Astro. de Andalucia  <ajct@iaa.es>

A. J. Castro-Tirado, J. Gorosabel and P. Amado (IAA-CSIC, Granada)
J. M. Castro Cerón (ROA, San Fernando)

report:

"On Dec 20.74 UT we observed the field of the GRB 021219
detected by INTEGRAL (Mereghetti et al. GCN 1766) with
the 1.5-m Telescope at the Observatorio de Sierra Nevada in
Granada, in order to monitor the entire IBIS-IPN error box
(Hurley et al. GCN 1771, Gotz et al. GCN 1772). In the co-
added image  (6 x  300-s in the Johnson R-band filter with
a 2".5 seeing),  no optical transient is found when comparing
to the DSS-2  (R-band) down to R = 20.5".

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