COMMISSION 27 OF THE I. A. U. INFORMATION BULLETIN ON VARIABLE STARS Number 2382 Konkoly Observatory Budapest 12 August 1983 HU ISSN 0374-0676 BV PHOTOMETRY OF THE SUPERNOVA 1982 IN NGC 2268 BV photometry of the supernova in NGC 2268 discovered by Wild (1982) is reported. Table I BV photometry of the supernova ------------------------------ Date UT B V ------------------------------ 27/2/82 21h17m 14.00 27/2/82 22 50 14.05 01/3/82 19 30 14.05 02/3/82 20 05 14.40 06/3/82 21 02 15.4 06/3/82 20 18 14.45 14/3/82 19 43 16.00 14/3/82 20 15 14.65 15/3/82 20 15 16.05 15/3/82 20 41 14.65 24/3/82 20 15 16.45 24/3/82 21 41 15.30 26/3/82 20 10 16.50 26/3/82 21 56 15.35 14/4/82 20 58 16.85 14/4/82 20 15 15.80 18/4/82 21 08 16.95 14/5/82 21 49 16.1) ----------------------------- The observations were obtained with the 0.4 m Schmidt telescope in Metzerlen on plates 103a-O, 103a-D and filters Schott 2 mm GG 13 in B and Schott 2 mm GG 11 in V. [FIGURE 1] Figure 1: B light curve of SN 1982 Typ I in NGC 2268 [FIGURE 2] Figure 2: SN, NGC 2268 and comparison sequence Table II Comparison sequence ---------------------------------------- No. B V No. B V ---------------------------------------- 1 15.4 14.5 34 16.0 14.6 2 15.3 14.0 35 16.1 15.3 3 14.6 14.0 36 16.0 15.1 4 15.9 15.0 37 16.1 15.1 5 16.9 16.1 38 16.0 15.0 6 17.0 16.4 39 16.0 14.8 7 15.7 14.7 40 13.7 12.7 8 15.9 15.2 41 16.8 9 16.3 15.6 42 17.3 10 16.9 16.2 43 16.4 11 17.1 16.1 44 17.0 12 14.7 13.6 45 16.1 13 14.9 13.5 46 17.2 14 16.6 15.5 47 14.8 15 15.2 14.3 48 16.8 16 16.2 15.5 49 15.7 17 16.5 15.1 50 17.2) 18 16.8 15.8 51 14.7 19 16.4 15.7 52 14.5 20 14.6 13.3 53 14.9 21 16.3 15.5 54 17.4 16.8 22 16.2 15.3 55 16.4 15.6 23 16.5 15.5 56 16.5 15.8 24 17.2 16.3 57 16.1 25 16.2 15.4 58 17.5) 26 15.1 14.1 59 17.5 16.9 27 15.2 14.3 60 16.7 16.0 28 15.1 14.1 61 17.2 16.4 29 16.1 15.4 62 16.6 15.8 30 17.3 16.6 63 16.5 15.6 31 17.8) 16.5 64 15.2 32 16.4 15.6 65 13.4 33 16.3 15.5 ----------------------------------------- The comparison sequence was derived from the North Polar Sequence and two fields of stars between the Polar and the comparison sequence. R. CADONAU Dr. C. TREFZGER References: Barbon, R. et al.: 1982, IAU Circ., No. 3671 [BIBCODE 1982IAUC.3671....1S ] Wild, P.: 1982, IAU Circ., No. 3667 [BIBCODE 1982IAUC.3667....1W ] Wood, R.: 1982, IAU Circ., No. 3678 [BIBCODE 1982IAUC.3678....3W ]