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Date: Mon, 16 Aug 93 16:38:17 CDT From: gfl@ast1.spa.umn.edu (Geoff Lawrence) G.F. Lawrence, A. Paulson, C. Mason, C. Butenhoff and R.D. Gehrz report the following infrared photometry of SN 1993J obtained at the University of Minnesota 0.76-m telescope using an InSb photometer (standard infrared phot ometric techniques were employed with a 27" beamsize and typically a 44" north/south throw; calibration was against IRTF standard stars). 1993 UT J H K 03.4 Apr 10.91 +/- .05 10.66 +/- .05 10.36 +/- .08 21.2 Apr 10.01 +/- .05 10.00 +/- .05 9.80 +/- .05 22.2 Apr 10.05 +/- .03 9.97 +/- .03 9.85 +/- .03 13.3 May 10.92 +/- .02 10.48 +/- .03 10.48 +/- .03 22.2 Jun 12.45 +/- .09 11.69 +/- .06 11.20 +/- .09 07.2 Jul 13.03 +/- .15 12.13 +/- .07 11.73 +/- .12 15.2 Jul 12.92 +/- .09 12.51 +/- .06 11.89 +/- .10 Please note that in IAU circular 5757 the authors incorrectly reported the K magnitude for 3.4 Apr as 10.48. This data is also being submitted to the IAU circulars.
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