Electronic Telegram No. 1841

Central Bureau for Astronomical Telegrams
M.S. 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions)
URL http://www.cfa.harvard.edu/iau/cbat.html

SUPERNOVA 2009gc IN MCG -03-28-32
G. Pignata, J. Maza, M. Hamuy, R. Antezana, L. Gonzalez, P. Gonzalez, P. Lopez, S. Silva, G. Folatelli, D. Iturra, R. Cartier, F. Forster, S. Marchi, and A. Rojas, Universidad de Chile; B. Conuel, Wesleyan University; and D. Reichart, K. Ivarsen, A. Crain, D. Foster, M. Nysewander, and A. LaCluyze, University of North Carolina at Chapel Hill, on behalf of the CHASE project, report the discovery of an apparent supernova (mag approximately 17.4 +/- 0.3) on unfiltered images taken on June 9.09 and 9.97 UT with the 0.41-m 'PROMPT 3' telescope located at Cerro Tololo. The new object is located at R.A. = 11h03m16s.04 +/- 0".1, Decl. = -16°46'09".7 +/- 0".1 (equinox 2000.0), which is about 7".0 west and 37".5 south of the center of the galaxy MCG -03-28-32. Nothing is visible at this position on archival images taken on Apr. 13.06 (limiting mag 19.0) and May 9.19 (limiting mag 18.0).

NOTE: These 'Central Bureau Electronic Telegrams' are sometimes superseded by text appearing later in the printed IAU Circulars.

2009 June 10
(C) Copyright 2009 CBAT
(CBET 1841)
Daniel W. E. Green