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Date: Wed, 2 Jun 1993 15:43:43 +0200 From: granslo@argo.uio.no Subject: SN 1993J - Photometric Update (1993 June 2) *** PHOTOMETRIC OBSERVATIONS OF SUPERNOVA 1993J - UPDATE 1993 JUNE 2 *** New and revised observations since Report No. 10 (1993 May 28): 1800--------------------------------------------------------------------------- 1810 YYYY+ 1820 MM DD.DDD MAGN MS SEQ OBSERVER(S) NOTES SOURCE 1830--------------------------------------------------------------------------- 1993 03 28.30 13.8 C *Neely, A. W. CCD, corrected IAUC 5740 1993 03 28.30 &1 * Corrected magnitude is 13.8 +/- 0.1. Mail(gav) 1993 03 28.30 &2 * New photometry indicate that the comparison 1993 03 28.30 &3 * star used (Richmond C) is NOT variable: 1993 03 28.30 &4 * <V> = 14.50 +/- 0.02. Mail(gav) 1993 03 29.18 11.4 : C *Neely, A. W. CCD, corrected mag. IAUC 5742 1993 03 29.18 &1 * Corrected magnitude is 11.4 +/- 0.2. Mail(gav) 1993 03 29.18 &2 * The image was overexposed. Mail(gav) 1993 03 30.17 11.0 :mv *McGrath, T. (from A. Cowley, ASU) Mail(gav) 1993 03 30.17 &1 * Corrected from Mar 29.17, mv = 11.2. Mail(gav) 1993 03 30.17 &2 * Sequence: AAVSO Z Cam. 1993 04 04.932 11.8 mv TB *Korth, S. 36-cm f/11 refl. Mail 1993 04 23.875 11.5 mv TB *Korth, S. 13-cm f/10 refl. Mail 1993 04 26.914 11.8 mv TB *Korth, S. 36-cm f/11 refl. Mail 1993 05 21.875 12.5 mv A2 *Ripero, J. 33-cm refl. Mail(grl) 1993 05 21.896 12.6 mv A2 *Garcia, F. 25-cm refl. Mail(grl) 1993 05 21.896 12.7 mv A2 *Pujol, F. 31-cm refl. Mail(grl) 1993 05 22.12 13.0 mv TB *Wren, W. 60-cm refl.,McDonald Mail(gav) 1993 05 22.896 12.6 mv A2 *Ripero, J. 33-cm refl. Mail(grl) 1993 05 23.889 12.7 mv A2 *Garcia, F. 25-cm refl. Mail(grl) 1993 05 25.479 12.8 mv TB *Makiguchi, N. 25-cm refl. Mail(kat) 1993 05 25.782 14.56 U *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 25.782 13.87 B *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 25.782 12.54 V *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 25.782 11.69 R J *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 25.782 11.13 I J *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 25.908 12.7 mv TB *Korth, S. 36-cm f/11 refl. Mail 1993 05 26.17 13.1 mv TB *Wren, W. 60-cm refl.,McDonald Mail(gav) 1993 05 27.458 12.8 mv TB *Makiguchi, N. 25-cm refl. Mail(kat) 1993 05 27.896 12.7 mv A2 *Ripero, J. 33-cm refl. Mail(grl) 1993 05 27.784 14.64 U *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 27.784 13.91 B *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 27.784 12.57 V *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 27.784 11.74 R J *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 27.784 11.16 I J *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 27.979 12.7 mv A2 *Garcia, F. 25-cm refl. Mail(grl) 1993 05 28.094 12.7 mv TB *Kratz, D. 20.3-cm refl. 79x Mail 1993 05 28.455 12.45 V HC *Kato, T. et al. 60-cm refl. + CCD Mail(kat) 1993 05 28.455&1 * Poor photometric conditions (+/- 0.05 mag.). 1993 05 28.464 12.6 mv TB *Takahashi, S. 60-cm refl. Mail(kat) 1993 05 28.475 11.92 I CHC *Kato, T. et al. 60-cm refl. + CCD Mail(kat) 1993 05 28.783 14.64 U *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 28.783 14.02 B *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 28.783 12.72 V *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 28.783 11.90 R J *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 28.783 11.30 I J *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 28.896 12.5 C A2 *Rodriguez, D. 20-cm refl. + CCD Mail(grl) 1993 05 28.896 12.6 mv A2 *Ripero, J. 33-cm refl. Mail(grl) 1993 05 28.896 12.7 mv A2 *Pujol, F. 31-cm refl. Mail(grl) 1993 05 28.909 12.7 mv TA *Poyner, G. 40-cm refl. Mail 1993 05 29.031 12.7 mv TA *Poyner, G. 40-cm refl. Mail 1993 05 30.466 12.55 V HC *Kato, T. 60-cm refl. + CCD Mail(kat) 1993 05 30.488 11.90 I CHC *Kato, T. 60-cm refl. + CCD Mail(kat) 1993 05 30.790 14.59 U *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 30.790 13.93 B *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 30.790 12.63 V *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 30.790 11.79 R J *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 30.790 11.19 I J *Shakovskoy; Efimov 1.25-m, Crimea Obs. News(bos) 1993 05 30.896 12.7 mv A2 *Ripero, J. 33-cm refl. Mail(grl) 1993 05 31.083 12.8 mv TB *Kratz, D. 20.3-cm refl. 79x Mail 1993 05 31.458 12.57 V HC *Kato, T. 60-cm refl. + CCD Mail(kat) 1993 05 31.458&1 * Poor photometric conditions, esp. in B and Ic. 1993 05 31.479 13.84 B HC *Kato, T. 60-cm refl. + CCD Mail(kat) 1993 05 31.509 11.74 I CHC *Kato, T. 60-cm refl. + CCD Mail(kat) 1993 06 01.457 12.64 V HC *Kato, T. 60-cm refl. + CCD Mail(kat) 1993 06 01.457&1 * Poor weather. 1993 06 01.513 11.80 I CHC *Kato, T. 60-cm refl. + CCD Mail(kat) 1993 06 02.083 12.8 mv TB *Kratz, D. 20.3-cm refl. 79x Mail 3000---------------------------------------------------------------------------
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