SIMBAD references

2005IAUC.8553....1K - IAU Circ., 8553, 1 (2005/June-0)

Supernova 2005cs in M51.

KLOEHR W., MUENDLEIN R., LI W., YAMAOKA H. and ITAGAKI K.

Abstract (from CDS):

Wolfgang Kloehr, Schweinfurt, Germany, reports his discovery of an apparent supernova (mag about 14) on CCD frames taken with a 0.20-m reflector on June 28.907 and 28.928 UT, with a weak earlier image of the new object (at mag perhaps 16) also found by Kloehr on a frame taken on June 27.933. Kloehr gave the position for SN 2005cs as R.A. = 13h29m53s.37, Decl. = +47o10'28".2 (equinox 2000.0), which is 15" west and 78" south of the center of M51 (= NGC 5194). Nothing was visible at this location on earlier frames taken by Kloehr on May 11 and 26, on an 'LRGB' image taken by R. Muendlein on Feb. 5, or on a Digitized Sky Survey image. W. Li, University of California at Berkeley, reports that a CCD image taken with the Katzman Automatic Imaging Telescope (KAIT) at Lick Observatory on June 30.25 confirms the new object at mag about 13.5; Li provides position end figures 52s.85, 36".3, which is 67".3 south of the nucleus of M51. A KAIT image taken on June 15.20 showed nothing at this position (limiting mag about 19.0). H. Yamaoka, Kyushu University, reports that K. Itagaki (Teppo-cho, Yamagata, Japan; 0.60-m telescope) obtained the following position end figures for SN 2005cs from an unfiltered CCD image taken on June 30.484, when the new object was at mag 14.3: 52s.78, 35".7; nothing was visible at this location on Itagaki's image taken in poor conditions on June 20.598 (limiting mag 17.0).

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