Date: Wed, 28 Apr 93 15:06:04 PDT From: alex%avf.hepnet@Lbl.Gov (ALEX FILIPPENKO, UC BERKELEY, 510-642-1813) Subject: SN 1993J update 4-28-93 SN 1993J junkies: The supernova is definitely beginning to fade! It is very important to closely monitor the brightness in all possible bands; it could fall rapidly to the late-time tail, or it might proceed more slowly (staying on the "plateau" for a while longer). We really don't know how much of a hydrogen envelope the star had at the time of the explosion. Also of great importance are low-dispersion spectra during the upcoming bright run. As was the case last month, many large telescopes will NOT be equipped with low-dispersion optical spectrographs; thus, much of the burden will fall on the smaller telescopes. I urge you to get data as frequently (and over as large a wavelength range) as possible. Of course, efforts to get infrared photometry and spectroscopy should continue. We ultimately need to derive a bolometric light curve of the supernova (or as close to bolometric as possible). This won't be possible without the infrared data. Below are some notes from others, including a useful reminder from Roberta Humphreys. Cheers, Alex Filippenko ****** >From Roberta Humphreys (roberta@aps1.spa.umn.edu) Hi Alex, Your points about the reddening problem in M81 are valid except that the 2200A feature cannot be used to set a limit or to define the extinction in the visual. It and the UV extinction relation are highly variable in our galaxy and the LMC and SMC have very different relations from the what we call the galactic UV extinction relation. Several years ago while working with UV spectra of some hot stars in M31 and M33 I found that the galactic UV extinction relation way over corrected the 2200A feature producing a bump in the energy distribution. The LMC relation worked much better. In subsequent work by Phil Massey both of these galaxies he has shown that a UV extinction laew like the LMC is the correct one for both M31 and M33! We don't have any idea what is appropriate for M81. While the visual/near-IR extinction extinction "law" appears to be very uniform in our galaxy and apparently in others not so for the UV. There are several stars even in our galaxy with high visual extinction and NO 2200 A feature. Not only is this strange but also can be very misleading without additional information. Regards, Roberta ***** >From Kurt Weiler (kweiler@shimmer.nrl.navy.mil) SN 1993J in NGC 3031 S. D. Van Dyk & K. W. Weiler, Naval Research Laboratory; R. A. Sramek & M. P. Rupen, National Radio Astronomy Observatory; and N. Panagia, Space Telescope Science Institute, report that new observations of SN 1993J made on 1993 April 22.47 UT with the Very Large Array in `B' configuration show that the source currently has a flux density at 1.3-cm wavelength (22.5 GHz) of 39.94 +/- 0.53 mJy; the radio light curve at this frequency appears to be flattening as expected from preliminary model predictions (IAUC 5762). A slow decline in the flux density at 1.3-cm should commence shortly. The supernova also has flux densities of 37.35 +/- 0.34 mJy at 2.0-cm wavelength (14.9 GHz), 11.77 +/- 0.07 mJy at 3.6-cm wavelength (8.4 GHz), and 1.70 +/- 0.07 mJy at 6 cm wavelength (4.86 GHz). This flux density evolution is consistent with previous model estimates (IAUC 5762) to within the predictive capability of the model from the few data points available at that time. Revised estimates will be issued shortly. Radio monitoring is continuing on a nearly daily basis at these and other wavelengths in order to follow the supernova's rapidly changing behavior. **** From Gerard de Vaucouleurs (gav@astro.as.utexas.edu) Subj: Errors in IAUC5774 (SN1993J) URGENT MESSAGE TO ALL SN1993J INVESTIGATORS The following observations of SN1993J taken from IAUCircular Nr 5774, originating from Xing-Long Observatory do not make sense! There must have been a transmission error or something. The V magnitudes (column 2) are not too far off (~0.1 mag too faint), but the U-B, B-V colors are off by several tenths, and the red and IR colors are 1.5-2 mag off. DO NOT USE UNTIL CLARIFICATION IS RECEIVED FROM CAMBRIDGE AND BEIJING. G. de Vaucouleurs (gav@astro.as.utexas.edu) ******* data 2 Zheng: V vs JD (updated 4/26/93) JD-2449000 V i 085.07 11.71 % Zheng+, U-B=-0.51,B-V=0.24,V-Rj=-1.10,V-Ij=-1.16 087.10 11.49 % Zheng+, U-B=-0.43,B-V=0.36,V-Rj=-1.11,V-Ij=-1.19 088.07 11.45 % Zheng+, U-B=-0.31,B-V=0.25,V-Rj=-1.05,V-Ij=-1.11 089.08 11.22 % Zheng+, U-B=-0.37,B-V=0.39,V-Rj=-1.14,V-Ij=-1.32 090.13 11.13 % Zheng+, U-B=-0.31,B-V=0.37,V-Rj=-1.15,V-Ij=-1.21 091.10 11.08 % Zheng+, U-B=-0.34,B-V=0.32,V-Rj=-1.15,V-Ij=-1.24 092.12 10.99 % Zheng+, U-B=-0.32,B-V=0.34,V-Rj=-1.22,V-Ij=-1.21 093.09 10.99 % Zheng+, U-B=-0.25,B-V=0.28,V-Rj=-1.10,V-Ij=-1.18 094.03 10.92 % Zheng+, U-B=-0.34,B-V=0.37,V-Rj=-1.12,V-Ij=-1.19 095.05 10.84 % Zheng+, U-B=-0.27,B-V=0.43,V-Rj=-1.14,V-Ij=-1.28 096.06 10.86 % Zheng+, U-B=-0.23,B-V=0.46,V-Rj=-1.17,V-Ij=-1.24 097.07 10.89 % Zheng+, U-B=-0.13,B-V=0.53,V-Rj=-1.15,V-Ij=-1.20 098.05 10.97 % Zheng+, U-B=-0.13,B-V=0.56,V-Rj=-1.09,V-Ij=-1.16 099.05 11.07 % Zheng+, U-B=-0.10,B-V=0.60,V-Rj=-1.04,V-Ij=-1.13 101.05 11.12 % Zheng+, U-B=-0.12,B-V=0.81,V-Rj=-1.04,V-Ij=-1.13 ****** Taichi Kato's latest photometry update (tkato@kusastro.kyoto-u.ac.jp) SN1993J photometry update (new and revised entries) List of observations obtained by Apr. 26. Full list is always available upon request. ------------------------------------------------------------------------------- YYYY MM DD.DDD MAGN MS SEQ OBSERVER NOTES SOURCE ------------------------------------------------------------------------------- 1982 03 21(-23) 20.8 V *Humpreys, R. 4-m plate IAUC 5739 1982 03 21(-23) 19.9 R *Humpreys, R. 4-m plate IAUC 5739 1982 03 21(-23) 21.4 B *Humpreys, R. 4-m plate IAUC 5739 1982 03 21(-23) 21.7 U *Humpreys, R. 4-m plate IAUC 5739 1990 03 ?? 20.0 V *Perelmuter KPNO, CCD IAUC 5736 1990 03 ?? 19.3 R *Perelmuter KPNO, CCD IAUC 5736 1992 01 24. 19.7: V *Magnier Hilter 2.5-m, CCD IAUC 5741 1992 01 24. 18.9: R *Magnier Hilter 2.5-m, CCD IAUC 5741 1993 03 28.86 11.8 mv T1 *Garcia, F. 25-cm f/3.9 refl. IAUC 5731 * DISCOVERY OBSERVATION * Corrected, original Mail(grl) * mag. = 12.0 1993 03 28.89 11.6 C T1 *Rodriguez, D. 20-cm f/5 refl.+ AAVSO 169 * ST-4 CCD * Corrected, original Mail(grl) * mag. = 11.8 1993 03 29.82 11.0 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. AAVSO 189 1993 03 29.82 11.2 mv T1 *Pujol, F. 31-cm f/5 refl. TA E731 1993 03 29.82 11.0 C T1 *Rodriguez, D. 20-cm f/4 refl. + CCD IAUC 5731 1993 03 29.95 11.1 mv T1 *Garcia, F. 25-cm f/3.9 refl. IAUC 5733 1993 03 30.19 10.70 V *Richmond Berkeley News 1993 03 30.19 10.61 R C *Richmond Berkeley News 1993 03 30.19 10.66 I C *Richmond Berkeley News 1993 03 30.870 10.8 mv TB+*Midtskogen, O. 31.6cm refl. 130x Mail(grl) 1993 03 30.887 10.5 mv TA *Hurst, G. M. 44-cm refl., class 2 TA E731 * Basingstoke, England 1993 03 30.89 10.5 mv TA *Taylor, M. D. Wakefield, England TA E731 1993 03 30.899 10.6 mv TA+*Midtskogen, O. 31.6-cm refl. 130x Mail(grl) 1993 03 30.91 10.0 C T1 *Rodriguez, D. 20-cm f/4 refl. + CCD Mail(grl) 1993 03 30.95 10.3 mv *Taylor, M. D. Estimate C=V TA E731 1993 03 31.130 10.5 mv TA+*Midtskogen, O. 31.6-cm refl. 130x Mail(grl) * revised magnitude 1993 03 31.22 9.85 U *Richmond Berkeley News 1993 03 31.22 10.95 B *Richmond Berkeley News 1993 03 31.22 10.82 V *Richmond Berkeley News 1993 03 31.22 10.69 R C *Richmond Berkeley News 1993 03 31.22 10.58 I C *Richmond Berkeley News 1993 03 31.40 10.3 mv TA *Hornby, P. TA E731 1993 03 31.88 10.5 mv *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 03 31.89 10.6 mv *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 01.84 10.4 mv *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 01.87 10.5 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 02.20 10.79 U *Richmond Berkeley News 1993 04 02.20 11.77 B *Richmond Berkeley News 1993 04 02.20 11.39 V *Richmond Berkeley News 1993 04 02.20 11.13 R *Richmond Berkeley News 1993 04 02.20 11.12 I *Richmond Berkeley News 1993 04 02.310 11.1 mv TB *Hornby, P. Nova(gmh) 1993 04 02.831 11.0 mv TB+*Dahle, H. 20.3-cm SCT 133x Mail(grl) * Oslo, Norway 1993 04 02.837 11.2 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 02.855 11.58 C TA+*Helbak, K. 20-cm f/4 + ST-4 CCD Mail(grl) * Slependen, Norway 1993 04 02.863 11.57 C TA+*Helbak, K. 20-cm f/4 + ST-4 CCD Mail(grl) 1993 04 02.872 11.57 C TA+*Helbak, K. 20-cm f/4 + ST-4 CCD Mail(grl) 1993 04 02.91 11.86 B *Hanzl IAUC 5747 1993 04 02.91 11.36 V *Hanzl IAUC 5747 1993 04 03.011 11.3 mv TA+*Granslo, B. H. 20.3-cm SCT, 123x Mail(grl) 1993 04 03.20 11.55 U *Richmond Berkeley News 1993 04 03.20 12.03 B *Richmond Berkeley News 1993 04 03.20 11.68 V *Richmond Berkeley News 1993 04 03.20 11.35 R C *Richmond Berkeley News 1993 04 03.20 11.08 I C *Richmond Berkeley News 1993 04 03.22 11.52 U *Richmond Berkeley News 1993 04 03.22 12.02 B *Richmond Berkeley News 1993 04 03.22 11.67 V *Richmond Berkeley News 1993 04 03.22 11.36 R C *Richmond Berkeley News 1993 04 03.22 11.08 I C *Richmond Berkeley News 1993 04 03.820 11.8 mv TA *Midtskogen, O. 31.6cm refl. 130x Mail(grl) 1993 04 03.84 11.3 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 03.93 11.2 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 04.007 11.9 mv TA+*Andersen, O. I. 20.3-cm refl. 135x Mail(grl) * Malm, Norway 1993 04 04.23 12.1 mv TB *Rhoads Princeton News 1993 04 05.11 11.80 C HC *Ferguson, D. C., 10-cm refr.+LYNXX CCD Mail(grl) *Morton, T. L., Baldwin Wallace Coll. *and Snyder, D. B. Berea, Ohio 1993 04 05.85 11.9 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 06.009 11.9 mv TA+*Granslo, B. H. 20.3-cm refl. 135x Mail(grl) * Malm, Norway 1993 04 06.092 11.9 mv TA+*Granslo, B. H. 15.2-cm refl. 135x Mail(grl) 1993 04 06.20 11.83 V *Richmond Berkeley News 1993 04 06.20 11.35 R C *Richmond Berkeley News 1993 04 06.20 11.21 I C *Richmond Berkeley News 1993 04 06.22 11.89 U *Richmond Berkeley News 1993 04 06.22 12.24 B *Richmond Berkeley News 1993 04 06.22 11.84 V *Richmond Berkeley News 1993 04 06.22 11.47 R C *Richmond Berkeley News 1993 04 06.22 11.24 I C *Richmond Berkeley News 1993 04 06.26 11.7 mv T1 *Dillon, W. G. Missouri City, TX IAUC 5757 1993 04 06.85 11.9 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 06.87 12.0 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 06.87 12.0 C T1 *Rodriguez, D. 20-cm f/4 refl. + CCD Mail(grl) 1993 04 06.89 12.0 mv T1 *Carvajal, J. 31-cm f/4.5 refl. Mail(grl) 1993 04 06.903 12.0 mv TA+*Granslo, B. H. 15.2-cm refl. 135x Mail(grl) 1993 04 07.22 11.96 U *Richmond Berkeley News 1993 04 07.22 12.15 B *Richmond Berkeley News 1993 04 07.22 11.74 V *Richmond Berkeley News 1993 04 07.22 11.36 R C *Richmond Berkeley News 1993 04 07.22 11.15 I C *Richmond Berkeley News 1993 04 07.24 11.90 U *Richmond Berkeley News 1993 04 07.24 12.17 B *Richmond Berkeley News 1993 04 07.24 11.73 V *Richmond Berkeley News 1993 04 07.24 11.37 R C *Richmond Berkeley News 1993 04 07.24 11.16 I C *Richmond Berkeley News 1993 04 07.30 11.94 U *Richmond Berkeley News 1993 04 07.30 12.15 B *Richmond Berkeley News 1993 04 07.30 11.72 V *Richmond Berkeley News 1993 04 07.30 11.24 R C *Richmond Berkeley News 1993 04 07.30 11.15 I C *Richmond Berkeley News 1993 04 07.57 11.44 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 07.57 11.95 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 07.57 11.71 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 07.57 12.81 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 07.57 12.87 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 07.83 11.9 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 07.84 12.1 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 07.91 12.0 C T1 *Rodriguez, D. 20-cm f/4 refl. + CCD Mail(grl) 1993 04 08.042 11.5 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 08.08 11.7 mv TB *Rhoads Princeton News 1993 04 08.08 11.5 mv TB *Wijers News 1993 04 08.21 11.86 U *Richmond Berkeley News 1993 04 08.21 12.05 B *Richmond Berkeley News 1993 04 08.21 11.62 V *Richmond Berkeley News 1993 04 08.21 11.26 R C *Richmond Berkeley News 1993 04 08.21 11.07 I C *Richmond Berkeley News 1993 04 08.24 11.90 U *Richmond Berkeley News 1993 04 08.24 12.06 B *Richmond Berkeley News 1993 04 08.24 11.62 V *Richmond Berkeley News 1993 04 08.24 11.10 R C *Richmond Berkeley News 1993 04 08.24 11.07 I C *Richmond Berkeley News 1993 04 08.32 11.92 U *Richmond Berkeley News 1993 04 08.32 12.05 B *Richmond Berkeley News 1993 04 08.32 11.61 V *Richmond Berkeley News 1993 04 08.32 11.18 R C *Richmond Berkeley News 1993 04 08.32 11.06 I C *Richmond Berkeley News 1993 04 08.83 12.1 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 08.83 12.0 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 08.840 11.5 mv TA *Bengtsson, H. Nova(gmh) 1993 04 08.864 11.5 mv TA *Westlund, M. 20.3-cm SCT Nova(gmh) 1993 04 08.868 11.4 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 08.89 11.9 mv T1 *Carvajal, J 31-cm f/4.5 refl. Mail(grl) 1993 04 08.948 11.6 mv TA+*Skjaeraasen, O. 20.3-cm SCT 77x Mail(grl) 1993 04 08.985 11.6 mv TA+*Skjaeraasen, O. 20.3-cm SCT 77x Mail(grl) 1993 04 09.028 11.6 mv TA+*Skjaeraasen, O. 20.3-cm SCT 77x Mail(grl) 1993 04 09.04 11.5 mv TA *Bengtsson, H. 15-cm refl. Nova(gmh) 1993 04 09.60 11.42 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 09.60 11.85 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 09.60 11.49 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 09.60 12.60 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 09.60 12.68 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 09.83 12.1 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 09.84 12.0 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 09.89 11.9 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 09.962 11.4 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 10.14 11.2 mv TB *Levy Mail(rw) 1993 04 10.15 11.6 mv AC *Flynn, E. W. 25-cm refl. Mail(grl) * St. Louis, MO, USA 1993 04 10.21 11.69 U *Richmond Berkeley, bad weather News 1993 04 10.21 11.86 B *Richmond Berkeley, bad weather News 1993 04 10.21 11.37 V *Richmond Berkeley, bad weather News 1993 04 10.21 11.04 R C *Richmond Berkeley, bad weather News 1993 04 10.21 10.90 I C *Richmond Berkeley, bad weather News 1993 04 10.23 11.79 U *Richmond Berkeley, bad weather News 1993 04 10.23 11.85 B *Richmond Berkeley, bad weather News 1993 04 10.23 11.35 V *Richmond Berkeley, bad weather News 1993 04 10.23 10.95 R C *Richmond Berkeley, bad weather News 1993 04 10.23 10.88 I C *Richmond Berkeley, bad weather News 1993 04 10.40 11.82 U *Richmond Berkeley, bad weather News 1993 04 10.40 11.83 B *Richmond Berkeley, bad weather News 1993 04 10.40 11.33 V *Richmond Berkeley, bad weather News 1993 04 10.40 10.97 R C *Richmond Berkeley, bad weather News 1993 04 10.40 10.87 I C *Richmond Berkeley, bad weather News 1993 04 10.57 11.39 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 10.57 11.70 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 10.57 11.45 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 10.57 12.50 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 10.57 12.56 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 10.837 11.1 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 10.85 12.1 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 10.87 12.1 C T1 *Rodriguez, D. 20-cm f/4 refl. + CCD Mail(grl) 1993 04 10.89 12.0 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 10.89 12.0 mv T1 *Pujol, F. 31-cm f/3.9 refl. Mail(grl) 1993 04 10.920 11.4 mv TA+*Granslo, B. H. 20.3-cm refl. 135x Mail(grl) 1993 04 10.922 11.3 mv TA *Andersen, O. I. 20.3-cm refl. 135x Mail(grl) 1993 04 11.10 11.24 C HC *Ferguson, D. C., 10-cm refr.+LYNXX CCD Mail(grl) *Morton, T. L., Baldwin Wallace Coll. *and Snyder, D. B. Berea, Ohio 1993 04 11.17 11.56 U *Richmond Berkeley News 1993 04 11.17 11.72 B *Richmond Berkeley News 1993 04 11.17 11.27 V *Richmond Berkeley News 1993 04 11.17 10.94 R C *Richmond Berkeley News 1993 04 11.17 10.79 I C *Richmond Berkeley News 1993 04 11.21 11.24 V *Richmond Berkeley News 1993 04 11.21 10.82 R C *Richmond Berkeley News 1993 04 11.21 10.78 I C *Richmond Berkeley News 1993 04 11.22 11.57 U *Richmond Berkeley News 1993 04 11.22 11.71 B *Richmond Berkeley News 1993 04 11.22 11.26 V *Richmond Berkeley News 1993 04 11.22 10.93 R C *Richmond Berkeley News 1993 04 11.22 10.78 I C *Richmond Berkeley News 1993 04 11.58 11.24 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 11.58 11.61 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 11.58 11.22 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 11.58 12.36 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 11.58 12.54 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 11.883 11.1 mv TA+*Granslo, B. H. 15.2-cm refl. 74x Mail(grl) 1993 04 11.885 11.4 mv TA *Andersen, O. I. 15.2-cm refl. 74x Mail(grl) 1993 04 11.89 11.6 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 11.89 11.6 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 11.980 11.3 mv TA *Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 12.00 10.9 mv TA *Smedstuen, O. 25.4-cm refl. 108x Mail(grl) * Haagaar Obs, Norway 1993 04 12.00 11.2 mv TA *Skartlien, R. 25.4-cm refl. 108x Mail(grl) 1993 04 12.21 11.46 U *Richmond Berkeley News 1993 04 12.21 11.61 B *Richmond Berkeley News 1993 04 12.21 11.14 V *Richmond Berkeley News 1993 04 12.21 10.83 R C *Richmond Berkeley News 1993 04 12.21 10.70 I C *Richmond Berkeley News 1993 04 12.63 11.19 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 12.63 11.50 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 12.63 11.13 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 12.63 12.28 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 12.63 12.34 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 12.85 10.5 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 12.859 11.0 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 13.2 11.36 U *Richmond, M. 51-cm News * Raw measurements 1993 04 13.2 11.53 B *Richmond, M. 51-cm News 1993 04 13.2 11.05 V *Richmond, M. 51-cm News 1993 04 13.2 10.74 R *Richmond, M. 51-cm News 1993 04 13.2 10.63 I *Richmond, M. 51-cm News 1993 04 13.2 11.57 U *Richmond, M. 76-cm News * Raw measurements 1993 04 13.2 11.53 B *Richmond, M. 76-cm News 1993 04 13.2 11.04 V *Richmond, M. 76-cm News 1993 04 13.2 10.65 R *Richmond, M. 76-cm News 1993 04 13.2 10.61 I *Richmond, M. 76-cm News 1993 04 13.2 11.0: mv TB+*Shaeffer, R. 32-cm refl. News 1993 04 13.3 11.53 B *Richmond, M. 76-cm News 1993 04 13.3 11.05 V *Richmond, M. 76-cm News 1993 04 13.3 10.76 R *Richmond, M. 76-cm News 1993 04 13.3 10.62 I *Richmond, M. 76-cm News 1993 04 13.3 11.0: mv TB+*Shaeffer, R. 32-cm refl. News 1993 04 13.60 11.06 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 13.60 11.40 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 13.60 11.08 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 13.60 12.23 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 13.60 12.32 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 13.842 11.1 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 13.87 10.5 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 13.88 10.6 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 13.892 10.8 mv TA+*Skjaeraasen, O. 20.3-cm SCT 77x Mail(grl) 1993 04 13.91 10.6 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 14.05 11.1 mv TB *Wijers News 1993 04 14.05 11.2 mv TB *Richmond News 1993 04 14.10 11.0 mv TB *Kratz Mail(rw) 1993 04 14.10 10.96 C HC *Ferguson, D. C., 10-cm refr.+LYNXX CCD Mail(grl) *Morton, T. L., Baldwin Wallace Coll. *and Snyder, D. B. Berea, Ohio 1993 04 14.13 11.0 mv TB *Beauchamp Mail(rw) 1993 04 14.16 11.41 U *Schulman Mail(rw) 1993 04 14.16 11.44 B *Schulman Mail(rw) 1993 04 14.16 11.00 V *Schulman Mail(rw) 1993 04 14.16 10.66 R *Schulman Mail(rw) 1993 04 14.16 10.54 I *Schulman Mail(rw) 1993 04 14.167 10.7 mv TB+*Sheaffer, R. 31cm refl. News 1993 04 14.17 10.22 J *Romanishin IAUC 5773 1993 04 14.17 10.15 H *Romanishin IAUC 5773 1993 04 14.17 9.91 K *Romanishin IAUC 5773 1993 04 14.2 11.34 U *Richmond, M. 51-cm News * Raw measurements 1993 04 14.2 11.46 B *Richmond, M. 51-cm News 1993 04 14.2 10.98 V *Richmond, M. 51-cm News 1993 04 14.2 10.70 R *Richmond, M. 51-cm News 1993 04 14.2 10.57 I *Richmond, M. 51-cm News 1993 04 14.2 11.43 B *Richmond, M. 76-cm News * Raw measurements 1993 04 14.2 10.98 V *Richmond, M. 76-cm News 1993 04 14.2 10.56 R *Richmond, M. 76-cm News 1993 04 14.2 10.54 I *Richmond, M. 76-cm News 1993 04 14.3 11.52 U *Richmond, M. 76-cm News * Raw measurements 1993 04 14.3 11.46 B *Richmond, M. 76-cm News 1993 04 14.3 11.00 V *Richmond, M. 76-cm News 1993 04 14.3 10.60 R *Richmond, M. 76-cm News 1993 04 14.3 10.55 I *Richmond, M. 76-cm News 1993 04 14.62 11.01 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 14.62 11.33 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 14.62 10.99 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 14.62 12.21 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 14.62 12.20 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 14.847 11.0 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 14.87 10.6 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 14.88 10.5 C T1 *Rodriguez, D. 20-cm f/4 refl.+ CCD Mail(grl) 1993 04 15.006 11.2 mv TA+*Granslo, B. H. 20.3-cm SCT 80x Mail(grl) 1993 04 15.15 10.9 mv TB *Beauchamp Mail(rw) 1993 04 15.15 10.18 J *Romanishin IAUC 5773 1993 04 15.15 10.15 H *Romanishin IAUC 5773 1993 04 15.15 9.87 K *Romanishin IAUC 5773 1993 04 15.15 11.34 U *Schulman Mail(rw) 1993 04 15.15 11.44 B *Schulman Mail(rw) 1993 04 15.15 10.91 V *Schulman Mail(rw) 1993 04 15.15 10.60 R *Schulman Mail(rw) 1993 04 15.15 10.50 I *Schulman Mail(rw) 1993 04 15.59 11.02 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 15.59 11.27 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 15.59 10.99 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 15.59 12.09 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 15.59 12.17 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 15.864 10.8 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 15.87 10.1 mv T1 *Ripero, J. 33.5-cm f/5 refl. Mail(grl) 1993 04 15.88 10.1 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 15.91 10.7 mv T1 *Pujol, F. 31-cm rf/5 efl. Mail(grl) 1993 04 15.924 11.1 mv TA+*Granslo, B. H. 20.3-cm SCT 123x Mail(grl) 1993 04 16.017 11.39 B *Dumont, M. et al. Jungfraujoch Obs. IAUC 5774 1993 04 16.017 10.85 V *Dumont, M. et al. Jungfraujoch Obs. IAUC 5774 1993 04 16.14 10.13 J *Romanishin IAUC 5773 1993 04 16.14 10.09 H *Romanishin IAUC 5773 1993 04 16.14 9.89 K *Romanishin IAUC 5773 1993 04 16.2 11.39 B *Richmond News 1993 04 16.2 10.85 V *Richmond News 1993 04 16.2 10.46 R C *Richmond News 1993 04 16.2 10.43 I C *Richmond News 1993 04 16.2 11.21 U *Richmond News 1993 04 16.2 11.39 B *Richmond News 1993 04 16.2 10.88 V *Richmond News 1993 04 16.2 10.58 R C *Richmond News 1993 04 16.2 10.45 I C *Richmond News 1993 04 16.20 11.34 U *Schulman Mail(rw) 1993 04 16.20 11.38 B *Schulman Mail(rw) 1993 04 16.20 10.88 V *Schulman Mail(rw) 1993 04 16.20 10.50 R *Schulman Mail(rw) 1993 04 16.20 10.44 I *Schulman Mail(rw) 1993 04 16.30 11.39 B *Richmond News 1993 04 16.30 10.90 V *Richmond News 1993 04 16.30 10.49 R C *Richmond News 1993 04 16.30 10.44 I C *Richmond News 1993 04 16.53 10.95 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 16.53 11.29 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 16.53 10.92 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 16.53 12.04 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 16.53 12.11 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 16.86 10.0 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 16.87 10.6 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 16.88 10.3 mv T1 *Carjaval, J. 31-cm f/4.5 refl. Mail(grl) 1993 04 16.89 10.3 C T1 *Rodriguez, D. 20-cm f/4 refl.+ CCD Mail(grl) 1993 04 16.91 10.4 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 16.976 11.42 B *Dumont, M. et al. Jungfraujoch Obs. IAUC 5774 1993 04 16.976 10.88 V *Dumont, M. et al. Jungfraujoch Obs. IAUC 5774 1993 04 17.09 10.90 C HC *Ferguson, D. C., 10-cm refr.+LYNXX CCD Mail(grl) *Morton, T. L., Baldwin Wallace Coll. *and Snyder, D. B. Berea, Ohio 1993 04 17.13 10.10 J *Romanishin IAUC 5773 1993 04 17.13 10.07 H *Romanishin IAUC 5773 1993 04 17.13 9.83 K *Romanishin IAUC 5773 1993 04 17.16 10.9 mv T1 *Flynn, E. M. 25-cm refl. Mail(grl) 1993 04 17.19 11.33 U *Schulman Mail(rw) 1993 04 17.19 11.42 B *Schulman Mail(rw) 1993 04 17.19 10.84 V *Schulman Mail(rw) 1993 04 17.19 10.51 I *Schulman Mail(rw) 1993 04 17.2 10.83 V *Richmond News 1993 04 17.2 10.44 R C *Richmond News 1993 04 17.2 10.40 I C *Richmond News 1993 04 17.2 11.29 U *Richmond News 1993 04 17.2 11.38 B *Richmond News 1993 04 17.2 10.86 V *Richmond News 1993 04 17.2 10.52 R C *Richmond News 1993 04 17.2 10.45 I C *Richmond News 1993 04 17.236 10.77 V HC *Anderson, J. M. 40.6-cm refl. + PEP Mail(grl) * Univ. Northern Iowa * Hillside Observatory 1993 04 17.236 11.30 B HC *Anderson, J. M. 40.6-cm refl. + PEP Mail(grl) * Univ. Northern Iowa * Hillside Observatory 1993 04 17.236 11.37 U HC *Anderson, J. M. 40.6-cm refl. + PEP Mail(grl) * Univ. Northern Iowa * Hillside Observatory 1993 04 17.55 11.00 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 17.55 11.27 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 17.55 10.84 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 17.55 11.98 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 17.55 12.12 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 17.87 10.1 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 17.87 10.3 mv T1 *Carvajal, J. 31-cm f/4.5 refl. Mail(grl) 1993 04 17.88 10.1 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 17.88 10.3 mv T1 *Garcia, D. 25-cm f/3.9 refl. Mail(grl) 1993 04 17.91 10.3 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 17.929 10.8 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 17.999 11.0 mv TA+*Granslo, B. H. 20.3-cm SCT 123x Mail(grl) 1993 04 18.14 10.05 J *Romanishin IAUC 5773 1993 04 18.14 10.05 H *Romanishin IAUC 5773 1993 04 18.14 9.82 K *Romanishin IAUC 5773 1993 04 18.2 11.33 U *Richmond News 1993 04 18.2 11.42 B *Richmond News 1993 04 18.2 10.85 V *Richmond News 1993 04 18.2 10.51 R C *Richmond News 1993 04 18.2 10.40 I C *Richmond News 1993 04 18.3 11.44 B *Richmond News 1993 04 18.3 10.86 V *Richmond News 1993 04 18.3 10.55 R C *Richmond News 1993 04 18.3 10.40 I C *Richmond News 1993 04 18.56 11.09 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 18.56 11.32 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 18.56 10.86 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 18.56 12.03 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 18.56 12.10 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 18.85 10.2 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 18.86 10.1 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 18.872 10.6 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 18.88 10.3 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 18.88 10.3 mv T1 *Carvajal, J. 31-cm f/4.5 refl. Mail(grl) 1993 04 19.047 11.46 B *Dumont, M. et al. Jungfraujoch Obs. IAUC 5774 1993 04 19.047 10.84 V *Dumont, M. et al. Jungfraujoch Obs. IAUC 5774 1993 04 19.14 10.04 J *Romanishin IAUC 5773 1993 04 19.14 10.04 H *Romanishin IAUC 5773 1993 04 19.14 9.82 K *Romanishin IAUC 5773 1993 04 19.15 11.4 mv MR *Grosshans, K. 20-cm refl. News 1993 04 19.2 11.39 U *Richmond News 1993 04 19.2 11.45 B *Richmond News 1993 04 19.2 10.83 V *Richmond News 1993 04 19.2 10.52 R C *Richmond News 1993 04 19.2 10.42 I C *Richmond News 1993 04 19.57 11.29 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 19.57 11.42 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 19.57 10.89 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 19.57 12.04 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 19.57 12.09 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 19.85 10.2 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 19.85 10.2 mv T1 *Carvajal, J 31-cm f/4.5 refl. Mail(grl) 1993 04 19.85 10.2 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 19.858 10.8 mv TA+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 19.88 10.2 mv T1 *Rodriguez, D. 20-cm f/4 refl.+ CCD Mail(grl) 1993 04 19.89 10.8 mv TA *Andersson, K.-G. 15.2-cm refl. Mail(grl) 1993 04 19.892 10.8 mv TA+*Skjaeraasen, O. 20.3-cm SCT 117x Mail(grl) 1993 04 19.90 11.0 mv TA *Bengtsson, H. 15-cm refl. Mail(grl) 1993 04 19.92 10.8 mv TA *Andersson, K.-G. 15.2-cm refl. Mail(grl) 1993 04 19.924 11.0 mv TA+*Granslo, B. H. 20.3-cm SCT 123x Mail(grl) 1993 04 19.943 11.1 mv TA *Westlund, M. 20.3-cm SCT Mail(grl) 1993 04 19.986 11.46 B *Dumont, M. et al. Jungfraujoch Obs. IAUC 5774 1993 04 19.986 10.82 V *Dumont, M. et al. Jungfraujoch Obs. IAUC 5774 1993 04 20.000 10.8 mv TA *Westlund, M. 20.3-cm SCT Mail(grl) 1993 04 20.042 11.0 mv TB *Beauchamp Mail(rw) 1993 04 20.06 11.2 mv TB *Rhoads News 1993 04 20.14 10.9 mv TB *Beauchamp Mail(rw) 1993 04 20.2 11.53 U *Richmond News 1993 04 20.2 11.53 B *Richmond News 1993 04 20.2 10.88 V *Richmond News 1993 04 20.2 10.53 R C *Richmond News 1993 04 20.2 10.40 I C *Richmond News 1993 04 20.3 11.65 B *Richmond News 1993 04 20.3 10.88 V *Richmond News 1993 04 20.3 10.51 R C *Richmond News 1993 04 20.3 10.41 I C *Richmond News 1993 04 20.55 11.40 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 20.55 11.53 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 20.55 10.97 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 20.55 12.06 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 20.55 12.13 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 20.85 10.8 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 20.88 11.0 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 20.89 10.88 V *Hanzl, D. N. Copernicus Obs. IAUC 5775 1993 04 20.89 11.62 B *Hanzl, D. N. Copernicus Obs. IAUC 5775 1993 04 20.91 11.54 B *Kulesza, B. Olsztyn Obs., Poland IAUC 5774 1993 04 20.91 10.79 V *Kulesza, B. Olsztyn Obs., Poland IAUC 5774 1993 04 20.91 11.66 U *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 20.91 11.62 B *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 20.91 10.89 V *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 20.91 10.27 R J *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 20.91 10.32 I J *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 21.55 11.57 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 21.55 11.67 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 21.55 11.07 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 21.55 12.11 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 21.55 12.20 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 21.85 10.9 mv T1 *Ripero, J. 33.5-cm f/4.5 refl. Mail(grl) 1993 04 21.854 10.6 mv TA *Poyner, G. Mail 1993 04 21.86 10.4 mv T1 *Pujol, F. 31-cm f/5 refl. Mail(grl) 1993 04 21.924 10.8 mv TB+*Dahle, H. 20.3-cm SCT 133x Mail(grl) 1993 04 21.96 10.9 mv T1 *Garcia, F. 25-cm f/3.9 refl. Mail(grl) 1993 04 21.967 11.1 mv TA+*Granslo, B. H. 20.3-cm SCT 123x Mail(grl) 1993 04 21.967 11.2 mv TB *Schmeer, P. 20.3-cm SCT Mail 1993 04 22.00 11.87 B C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 22.00 11.01 V C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 22.00 10.61 R C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 22.00 10.49 I C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 22.003 10.8 mv TB *Poyner, G. Mail 1993 04 22.02 11.92 U *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.02 11.75 B *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.02 10.95 V *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.02 10.20 R J *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.02 10.33 I J *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.064 11.1 mv TA+*Granslo, B. H. 20.3-cm SCT 123x Mail(grl) 1993 04 22.106 10.9 mv TB *Bryan, J. 25-cm 80x Mail 1993 04 22.17 11.0 mv T1 *Dillon, W. G. 28-cm SCT News 1993 04 22.2 10.99 V *Richmond News 1993 04 22.2 10.62 R C *Richmond News 1993 04 22.2 10.40 I C *Richmond News 1993 04 22.2 11.75 B *Richmond News 1993 04 22.2 11.00 V *Richmond News 1993 04 22.2 10.61 R C *Richmond News 1993 04 22.2 10.47 I C *Richmond News 1993 04 22.494 11.1 mv TB *Yamada, M. 16-cm Mail(kat) 1993 04 22.502 11.5 mv TB *Iida, M. Mail(kat) 1993 04 22.560 11.2 mv TB *Takahashi, S. 60-cm Mail(kat) 1993 04 22.88 12.47:U *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.88 11.98 B *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.88 11.09 V *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.88 10.66 R J *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.88 10.53 I J *Mikolajewski et al. N. Copernicus Univ. IAUC 5774 1993 04 22.945 11.3 mv TB *Schmeer, P. 20.3-cm SCT 133x Mail 1993 04 23.00 11.96 B C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 23.00 11.09 V C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 23.00 10.67 R C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 23.00 10.54 I C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 23.2 12.13 U *Richmond News 1993 04 23.2 11.92 B *Richmond News 1993 04 23.2 11.10 V *Richmond News 1993 04 23.2 10.65 R C *Richmond News 1993 04 23.2 10.47 I C *Richmond News 1993 04 23.2 12.26 U *Richmond News 1993 04 23.2 11.90 B *Richmond News 1993 04 23.2 11.08 V *Richmond News 1993 04 23.2 10.68 R C *Richmond News 1993 04 23.2 10.46 I C *Richmond News 1993 04 23.3 12.27 U *Richmond News 1993 04 23.3 11.93 B *Richmond News 1993 04 23.3 11.11 V *Richmond News 1993 04 23.3 10.64 R C *Richmond News 1993 04 23.3 10.48 I C *Richmond News 1993 04 23.55 11.81 U *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 23.55 11.93 B *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 23.55 11.12 V *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 23.55 12.16 R J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 23.55 12.25 I J *Zheng, Z.-Y. et al. Xing-Long 60-cm IAUC 5774 1993 04 23.886 11.4 mv TB *Schmeer, P. 20.3-cm SCT 133x Mail 1993 04 23.92 11.09 V *Hanzl, D. N. Copernicus Obs. IAUC 5775 1993 04 23.92 12.09 B *Hanzl, D. N. Copernicus Obs. IAUC 5775 1993 04 23.958 11.5 mv TA *Poyner, G. Mail 1993 04 24.00 12.09 B C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 24.00 11.16 V C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 24.00 10.73 R C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 24.00 10.59 I C *Prugniel, P. Obs. Haute Provence IAUC 5774 1993 04 24.019 11.5 mv TA *Poyner, G. Mail 1993 04 24.052 11.1 mv TB *Wijers Mail(rw) 1993 04 24.521 11.6 mv TB *Kiyota, S. 20-cm refl Mail(kat) 1993 04 24.542 11.2 mv TB *Funada, M. 13-cm refl. 88x Mail(kat) 1993 04 24.552 11.2 C TB *Kushida 40-cm refl. ST-4 Mail(kat) 1993 04 24.88 11.4 mv TA *Andersson, K.-G. 15.2-cm refl. Mail(grl) 1993 04 24.920 11.5 mv TA *Westlund, M. 20.3-cm SCT Mail(grl) 1993 04 24.974 11.5 mv TB *Schmeer, P. 20.3-cm SCT 133x Mail 1993 04 25.02 11.4 mv TA *Andersson, K.-G. 15.2-cm refl. Mail(grl) 1993 04 25.02 11.22 V *Hanzl, D. N. Copernicus Obs. IAUC 5775 1993 04 25.02 12.27 B *Hanzl, D. N. Copernicus Obs. IAUC 5775 1993 04 25.507 11.2 C TB *Kushida 40-cm refl. ST-4 Mail(kat) 1993 04 25.548 11.21 C TB *Fujita, Y. 60-cm CCD no filter Mail(kat) * Kuma-Kogen Obs. 1993 04 25.562 11.4 mv TB *Ohkura, N. 35.5-cm SCT Mail(kat) 1993 04 25.563 11.6 mv TB *Kiyota, S. 20-cm refl. Mail(kat) 1993 04 25.751 11.6 mv TB *Yamada, M. 16-cm refl. Mail(kat) 1993 04 25.951 11.6 mv TA *Poyner, G. Mail 1993 04 25.978 11.5 mv TA+*Granslo, B. H. 20.3-cm SCT 123x Mail(grl) 1993 04 26.15 11.35 V *Skiff, B. Lowell Obs. IAUC 5775 1993 04 26.15 12.23 b *Skiff, B. Lowell Obs. IAUC 5775 1993 04 26.450 11.7 mv TB *Yamada, M. 16-cm refl. Mail(kat) 1993 04 26.462 11.8 mv TB *Iida, M. Mail(kat) 1993 04 26.562 11.3 C TB *Kushida 40-cm refl. ST-4 Mail(kat) Regards, Taichi Kato (Kyoto University) ******* From: SMTP%"tkato@kusastro.kyoto-u.ac.jp" 28-APR-1993 00:53:35.02 To: ALEX Subj: SN1993J photometry update photometry update: new entries (Apr.27) New entries and revisions are marked with "*". ------------------------------------------------------------------------------- YYYY MM DD.DDD MAGN MS SEQ OBSERVER NOTES SOURCE ------------------------------------------------------------------------------- 1993 04 10.86 11.72 U *Shakhovskoy et al. Crimea 1.25-m News 1993 04 10.86 11.84 B *Shakhovskoy et al. Crimea 1.25-m News 1993 04 10.86 11.30 V *Shakhovskoy et al. Crimea 1.25-m News 1993 04 10.86 10.85 R J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 10.86 10.66 I J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 13.81 11.48 U *Shakhovskoy et al. Crimea 1.25-m News 1993 04 13.81 11.58 B *Shakhovskoy et al. Crimea 1.25-m News 1993 04 13.81 11.02 V *Shakhovskoy et al. Crimea 1.25-m News 1993 04 13.81 10.60 R J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 13.81 10.45 I J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 16.86 11.54 U *Shakhovskoy et al. Crimea 1.25-m News 1993 04 16.86 11.61 B *Shakhovskoy et al. Crimea 1.25-m News 1993 04 16.86 10.95 V *Shakhovskoy et al. Crimea 1.25-m News 1993 04 16.86 10.48 R J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 16.86 10.37 I J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 19.87 11.70 U *Shakhovskoy et al. Crimea 1.25-m News 1993 04 19.87 11.69 B *Shakhovskoy et al. Crimea 1.25-m News 1993 04 19.87 11.20 V *Shakhovskoy et al. Crimea 1.25-m News 1993 04 19.87 10.38 R J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 19.87 10.27 I J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 22.78 12.01 U *Shakhovskoy et al. Crimea 1.25-m News 1993 04 22.78 11.88 B *Shakhovskoy et al. Crimea 1.25-m News 1993 04 22.78 10.98 V *Shakhovskoy et al. Crimea 1.25-m News 1993 04 22.78 10.44 R J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 22.78 10.24 I J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 23.097 11.3 mv TB *Bryan, J. 25-cm 80x Mail 1993 04 23.85 12.53 U *Shakhovskoy et al. Crimea 1.25-m News 1993 04 23.85 12.26 B *Shakhovskoy et al. Crimea 1.25-m News 1993 04 23.85 11.23 V *Shakhovskoy et al. Crimea 1.25-m News 1993 04 23.85 10.53 R J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 23.85 10.43 I J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 24.446 11.1 mv TB *Sekino, Y. Mail(kat) 1993 04 24.75 12.75 U *Shakhovskoy et al. Crimea 1.25-m News 1993 04 24.75 12.42 B *Shakhovskoy et al. Crimea 1.25-m News 1993 04 24.75 11.31 V *Shakhovskoy et al. Crimea 1.25-m News 1993 04 24.75 10.60 R J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 24.75 10.46 I J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 26.476 11.6 mv TB *Makiguchi, N. 25-cm refl. Mail(kat) 1993 04 25.493 11.2 mv TB *Sekino, Y. Mail(kat) 1993 04 25.75 12.99 U *Shakhovskoy et al. Crimea 1.25-m News 1993 04 25.75 12.57 B *Shakhovskoy et al. Crimea 1.25-m News 1993 04 25.75 11.41 V *Shakhovskoy et al. Crimea 1.25-m News 1993 04 25.75 10.70 R J *Shakhovskoy et al. Crimea 1.25-m News *(corrected for possible mistype) 1993 04 25.75 10.50 I J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 26.098 11.7 mv TB *Bryan, J. 25-cm 80x Mail 1993 04 26.454 11.30 C TB *Fujita, Y. 60-cm CCD no filter Mail(kat) * Kuma-Kogen Obs. 1993 04 26.469 11.5 mv TB *Sekino, Y. Mail(kat) 1993 04 26.76 13.22 U *Shakhovskoy et al. Crimea 1.25-m News 1993 04 26.76 12.73 B *Shakhovskoy et al. Crimea 1.25-m News 1993 04 26.76 11.51 V *Shakhovskoy et al. Crimea 1.25-m News 1993 04 26.76 10.74 R J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 26.76 10.55 I J *Shakhovskoy et al. Crimea 1.25-m News 1993 04 26.875 11.5 mv TA *Poyner, G. 40-cm Mail 1993 04 27.108 11.7 mv TB *Bryan, J. 25-cm 80x Mail 1993 04 27.17 11.5 mv TB *Dillon, B. 28-cm SCT News 1993 04 27.434 12.0 mv TB *Makiguchi, N. 25-cm refl. Mail(kat) 1993 04 27.462 11.7 mv TB *Takahashi, S. 60-cm refl. Mail(kat) 1993 04 27.503 11.6 mv TB *Sekino, Y. Mail(kat) ***
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