Date: Mon, 5 Apr 93 12:29:17 CDT From: gav@astro.as.utexas.edu (Gerard de Vaucouleurs) Subject: SN1993J Dear Dr. Kato, Thank you for your communications on SN1993J. Please find attached to this message a provisional list of v, V mag provisionally reduced to *B = 11.90. There is much scatter and it will be important to obtain proper UBVetc for all the comparison stars and to check for variability. I am also forwarding information received from Dr. Filippenko which may not have reached you yet. Please keep sending your much appreciated data. Best regards. G. de Vaucouleurs (gav@astro.as.utexas.edu) data 2 SN1993J: v,V mag approx. corr. to SSC scale JD-2449000 v,V(corr.) i 072.1 20.0 %>17 073.4 16.0 %>14 074.8 13.4 %CCD unf. + 0.2, SN-0.8-C 075.36 12.0 %v 075.39 12.0 %CCD unf. + 0.2 075.68 11.9 %CCD unf. + 0.2 076.17 11.2 %v 076.38 11.3 %v 076.38 11.2 %CCD unf. + 0.2 076.45 11.1 %v 076.75 10.7 %V 077.04 10.4 %v 077.34 10.3 %v 077.4 10.8 %V 077.41 10.5 %v 077.6 10.85 %V 077.63 10.5 %v 077.67 10.8 %V 077.71 10.8 %V 077.71 10.6 %CCD unf. + 0.2 077.76 10.8 %V 077.93 10.5 %v 078.08 10.5 %v 078.34 10.5 %v 078.4 11.06 %V 078.58 10.7 %v 078.64 10.5 %v 078.68 11.1 %V 078.68 11.2 %CCD unf. + 0.2 078.71 11.07 %V 078.90 11.13 %V 078.95 10.5 %v ? 079.04 10.4 %v ? 079.15 11.7 %CCD unf. + 0.2 079.23 11.1 %v ? 079.30 10.5 %v ? 079.4 11.31 %V 079.6 11.41 %V 079.63 11.4 %V 079.65 11.45 %V 079.72 11.4 %V 079.87 11.45 %V 079.94 11.0 %v ? 079.95 10.9 %v % 079.99 11.50 %V 080.67 11.2 %v 081.55 11.76 %V
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