------------------------------------------------------------------- THE ASTRONOMER Electronic Circular No 1643 2001 May 29 15.16UT Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise, Basingstoke, Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074 INTERNET: GUY@TAHQ.DEMON.CO.UK GMH at AST.STAR.RL.AC.UK WORLD WIDE WEB http://www.demon.co.uk/astronomer ------------------------------------------------------------------- SUPERNOVA 2001bg IN NGC 2608 This supernova, discovered by Tom Boles and announced on E1631 was spectroscopically confirmed by Gal-Yam and others as detailed on E1637. The early indications were it was of type-Ia just before or at maximum. Observations continue to be made by amateurs and we provide an e-chart and updated sequence below in the hope further reports will be sent to establish a comprehensive light curve. \\\\\\SN 2001bg b found by Tom Boles NGC 2608 S,400,6,S -C, 8.5886, 28.4683,2000 O,200,200,14,[19p -L,R,SN P,08h 35.3m +28 28' (2000) -T,SNIa. Seq V Henden -G,196,197,80,30,90 -L,L,N2608 -S,SN/043.01 M,8,339,56 -L,R,81 M,8,112,215 -L,R,85 R,11.83,177,243,1 R,13.27,244,197,2,B R,14.04,153,157,3 R,14.57,180,211,4 R,14.70,189,228,5 R,15.22,168,158,6,R R,15.51,228,196,7,B M,9,106,349,123,76,189,367 M,10,64,199 M,11,379,308,301,348,230,57,283,293,37,35 M,11,2,84 M,12,171,348,316,90,317,66,191,62,170,43,318,13,394,270 M,12,48,73,26,9,15,284,47,77 M,13,338,329,299,342,211,350,388,161,206,131,317,198 M,13,164,87,362,240,203,38,189,247,161,29,357,261,255,10 M,13,347,265,307,269,367,289,29,311,95,150,89,349,104,95 M,13,137,141,37,209,27,55,69,72,132,163,130,372,9,67 M,13,42,172,42,183,120,377,87,379 M,14,180,31,113,16,118,293,244,398,189,399,115,65,227,325 M,14,375,367,270,342,279,359,135,202,303,315,134,15,305,160 M,14,177,308,186,266,365,10,216,387,121,113,313,152 M,14,317,134,202,102,157,180,206,181,301,187,226,115,188,181 M,14,298,194,193,71,207,64,326,60,197,94,344,59 M,14,375,235,262,242,263,29,169,48,201,16,347,255 M,14,211,270,295,274,48,359,42,268,19,311,26,117,144,360 M,14,120,71,102,154,41,393,93,69,94,274,41,362,104,347 M,14,92,221,77,45,41,89,87,369,43,396 M,15,161,130,361,132,235,74,380,105,347,82,186,136,399,224 M,15,186,13,195,340,265,70,185,121,198,50,142,258 M,15,240,45,236,114,279,34,384,337,273,33,122,303,162,370 M,15,381,303,215,308,187,366,196,380,333,233,117,317 M,15,130,173 E,147 ////// Basic chart automatically generated by CHART ver 1.6 Guy M Hurst