2009CBET.2023....1D

Further to CBET 1996, A. J. Drake, S. G. Djorgovski, A. Mahabal, M. J. Graham and R. Williams, California Institute of Technology; M. Catelan, Pontificia Universidad Catolica de Chile; E. C. Beshore and S. M. Larson, Lunar and Planetary Laboratory, University of Arizona; and E. Christensen, Gemini Observatory, report the CRTS discovery of two apparent supernovae in unfiltered Catalina Sky Survey (CSS) images:

---------------------------------------------------------------------------— SN 2009 UT R.A. (2000.0) Decl. Mag. Offset ---------------------------------------------------------------------------— 2009lf Nov. 6.25 2 01 39.61 +15 19 58.1 18.5 16".7 W, 5".4 N 2009lg Nov. 10.15 23 38 49.93 +28 15 54.2 18.0 4".3 E, 20".2 S ---------------------------------------------------------------------------—

Additional magnitudes for 2009lf: Oct. 14.35 UT, [19.8 (CSS); Nov. 8.23, g = 18.1, r = 18.1, i = 17.9 (Palomar 1.52-m reflector); Nov. 16.06, 18.2 (S. Howerton, Arkansas City, KS, U.S.A., remotely using the 0.3-m LB-0003 telescope near Rodeo, NM, U.S.A.). Additional magnitudes for 2009lg: Oct. 27.16, [20.2 (CSS); Nov. 16.14, 17.3 (Howerton, remotely using the 0.3-m GRAS-1 telescope located near Mayhill, NM, U.S.A.).