Circular No. 8473
Central Bureau for Astronomical Telegrams INTERNATIONAL ASTRONOMICAL UNION Mailstop 18, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. IAUSUBS@CFA.HARVARD.EDU or FAX 617-495-7231 (subscriptions) BMARSDEN@CFA.HARVARD.EDU or DGREEN@CFA.HARVARD.EDU (science) URL http://cfa-www.harvard.edu/iau/cbat.html Phone 617-495-7244/7440/7444 (for emergency use only)
SUPERNOVAE 2005Q, 2005R, 2005S, 2005T, 2005U
Several apparent new supernovae have been reported, all on unfiltered CCD images except for 2005U, which was found by S. Mattila (Stockholm Observatory), R. Greimel (Isaac Newton Group of Telescopes), and C. Gerardy and W. P. S. Meikle (Imperial College, London) on K_s-band images obtained as part of the ongoing 'Nuclear Supernova Search' campaign with the William Herschel Telescope (+ LIRIS). SN 2005Q was found by L. A. G. Monard (cf. IAUC 8454), and SN 2005R was found by T. Boles (cf. IAUC 8469), while 2005S and 2005T were found by H. Pugh, J. Graham, and W. Li (LOSS/KAIT; cf. IAUC 8472). SN 2005 UT R.A. (2000.0) Decl. Mag. Offset 2005Q Jan. 28.803 1 30 03.51 -42 40 48.4 17.2 22" W, 20" N 2005R Jan. 13.971 11 14 56.81 +33 49 35.7 17.4 0".9 W, 3".2 N 2005S Jan. 22.58 14 08 28.84 + 7 03 27.2 19.1 5".6 W, 0".9 S 2005T Jan. 24.54 14 26 17.24 +26 14 47.8 18.4 7".2 W, 0".9 N 2005U Jan. 30.30 11 28 33.22 +58 33 42.5 16.2 3".7 W, 4".9 S Additional approximate unfiltered CCD magnitudes, by the respective discoverers unless noted otherwise: SN 2005Q in ESO 244-G31, 2004 Dec. 30.814 UT, [18.7; Jan. 29.757, 17.1 +/- 0.2. SN 2005R in UGC 6274, 2004 Apr. 22, [19.5; Nov. 13, [19.5; 2005 Jan. 16.052, 17.4. SN 2005S in UGC 9037, 2004 June 24.21, [20.0; 2005 Jan. 24.59, 19.2. SN 2005T in IC 4423, 2004 June 27.21, [19.5; 2005 Jan. 31.53, 18.3. SN 2005U in Arp 299, 2004 Dec. 25.41, [18.8 (Li, KAIT); Jan. 23.40, 18.2 (Li, KAIT).-----------------------------
Host galaxy info: vel = 5940 km/s, 1.5 x 0.8, 14.07, Scd:
SN type info: Ia
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