KT Eridani = Nova Eridani 2009
Abstract
Wide-angle-lens pre-discovery CCD magnitudes for KT Eri (Japanese data via Maehara; ASAS-3 V magnitudes via Yamaoka): Nov. 10.236 UT, [14.0: (ASAS); 14.572 UT, 5.7 (I. Ootsuki, Miyagi, Japan, Canon EOS 40D camera; measured by O. Ohshima, Okayama); 14.632, 5.4 (image by M. Watanabe and A. Miyashita, Tokyo, Nikon D90 camera; measured by K. Nagai, Kanagawa, Japan); 14.813, 5.6 (Ootsuki and Ohshima); 17.226, 6.9 (M. Hankey, Freeland, MD, U.S.A., Canon 20Da camera; measured by J. E. Bortle, Stormville, NY, U.S.A.); 17.758, 6.7 (T. Tanaka, Mie, Japan, Canon EOS 50D camera); 17.807, 6.6 (A. Kawamura, Gunma, Japan; measured by Ohshima); 18.760 and 18.809, 7.0 (M. Yamamoto, Aichi, Japan, Canon EOS Kis camera); 19.241, 7.34 (ASAS); 22.179, 7.98 (ASAS); 24.269, 8.12 (ASAS). Additional visual magnitude estimates: Nov. 27.229, 8.2 (C. Hergenrother, Tucson, AZ, U.S.A.); 27.427, 8.3 (P. Camilleri, Sydney, Australia); 28.851, 8.2 (W. Vollmann, Vienna, Austria).
- Publication:
-
International Astronomical Union Circular
- Pub Date:
- December 2009
- Bibcode:
- 2009IAUC.9098....2O