SUPERNOVA
2010cl IN MCG -02-25-20
J. Maza, M. Hamuy, R. Antezana, L. Gonzalez, P. Gonzalez,
S. Silva, G. Folatelli, R. Cartier, F. Forster, and
S. Marchi, Universidad de Chile; G. Pignata and M. Cifuentes,
Universidad Andres Bello; B. Conuel, Wesleyan University;
and D. Reichart, K. Ivarsen, J. Haislip, 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 17.1 +/- 0.3) on an unfiltered image
taken on Apr. 29.01 UT with the 0.41-m 'PROMPT 4' telescope
located at Cerro Tololo. The new object, which is also
present at mag approximately 17.2 in an image taken
on Apr. 29.99, is located at R.A. = 9h50m12s.32 +/-
0".1, Decl. = -12°03'09".2 +/- 0".1 (equinox 2000.0),
which is about 24".0 west and 18".4 north of the center
of the galaxy MCG -02-25-20. Nothing is visible at this
position on archival images taken on Mar. 29.09 (limiting
mag 18.0) and Feb. 4.13 (limiting mag 18.5).
|