Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to
New Announcement Feature, Code of Conduct, Circular Revisions. See news and announcements

GCN Circular 15895

GRB 140226A/iPTF14yb: 1.23m CAHA observations
2014-03-01T07:09:10Z (10 years ago)
Javier Gorosabel at IAA-CSIC <>
J. Gorosabel (IAA-CSIC/UPV-EHU), A. Sanchez-Lavega, I. Ordonez, S. Perez-Hoyos, R. Hueso (UPV/EHU), J.J. Salamero, D. Cebrian,  P. Martorell, R. Pidal (Obs. Guirguillano), report on behalf of the BEGIRA project:

"We carried out optical observations of the GRB140226A/iPTF14yb transient field (Cenko et al., GCN 15883, Beardmore et al., GCN 15884, 15891) with the 1.23m CAHA telescope. The observations were performed in the R-band on Feb 28.14668-28.19763 UT. The object is detected with a Vega magnitude of R~23 calibrated against the USNO-B1.0 catalog."

[GCN OPS NOTE(04mar14): Per author's request, A.S-L was added to the author list.]
Looking for U.S. government information and services? Visit