2007IAUC.8829....2A

Several supernovae have been discovered on unfiltered CCD frames: 2007av and 2007ax by R. Arbour (cf. IAUC 8496); and the rest by W. Li (LOSS/KAIT; cf. IAUC 8822; with R. Mostardi for 2007aw and 2007ay, with D. Winslow for 2007az and 2007ba, with N. Joubert for 2007bb, and with R. Prasad for 2007bc and 2007bd). Discovery observations: SN 2007 UT R.A. (2000.0) Decl. Mag. Offset 2007av Mar. 20.84 10 34 43.17 +11 11 38.3 15.5 5".9 E, 14".9 S 2007aw Mar. 22.26 9 57 24.16 -19 21 23.1 18.1 3".3 E, 5".2 S 2007ax Mar. 21.98 8 22 43.26 +22 33 16.9 17.2 2".6 W, 5".5 N 2007ay Mar. 22.21 8 17 14.85 + 1 12 06.9 17.1 12".7 W, 16".4 S 2007az Mar. 6.27 8 25 23.80 +69 54 29.4 18.9 – 2007ba Mar. 29.49 15 16 42.63 + 7 23 47.8 18.2 11".5 E, 0".9 S 2007bb Apr. 2.15 7 01 07.46 +51 15 57.3 17.2 22".3 E, 14".0 S 2007bc Apr. 4.32 11 19 14.57 +20 48 32.5 16.1 29".2 W, 16".5 S 2007bd Apr. 4.18 8 31 33.28 - 1 11 58.0 18.4 7".6 E, 5".1 N Additional information is available on Electronic Telegrams: 2007av in NGC 3279, CBETs 901 and 903 (type-II, discovered close to explosion time); 2007aw in NGC 3072, CBETs 902 and 908 (type-Ic, discovered a few days after maximum); 2007ax in NGC 2577, CBETs 904, 907, and 908 (subluminous type-Ia, discovered several days before maximum); 2007ay in UGC 4310, CBETs 905 and 908 (type-II, discovered shortly after explosion time); 2007az, CBETs 872 and 909 (type-Ib, discovered shortly before maximum); 2007ba in UGC 9798, CBETs 911 and 918 (type-Ia, discovered well before maximum); 2007bb in UGC 3627, CBETs 912 and 916 (type-IIn, discovered just after explosion); 2007bc in UGC 6332, CBETs 913 and 915 (type-Ia, discovered several days before maximum); 2007bd in UGC 4455, CBETs 914 and 915 (type-Ia, discovered > 1 week before maximum).