2008CBET.1559....1D

Further to CBET 1552, A. J. Drake, A. Mahabal, S. G. Djorgovski, M. J. Graham, and R. Williams, California Institute of Technology; M. Catelan, Pontificia Universidad Catolica; E. C. Beshore, S. M. Larson, and R. Hill, Lunar and Planetary Laboratory, University of Arizona; and E. Christensen, Gemini Observatory, report the "Catalina Real-time Transient Survey" discovery of several apparent supernovae in unfiltered Catalina Sky Survey (CSS) images: ---------------------------------------------------------------------— SN 2008 UT R.A. (2000.0) Decl. Mag. Offset ---------------------------------------------------------------------— 2008gs Sep. 21.41 1 27 05.78 + 3 13 05.7 17.6 2008gt Oct. 29.20 22 44 43.69 - 3 08 51.1 18.4 10".7 W, 6".9 N 2008gu Oct. 30.22 1 13 41.49 + 4 47 18.0 17.7 2".6 E, 14".8 N 2008gv Oct. 31.31 1 52 31.71 +33 27 52.0 19.7 2008gw Nov. 3.41 4 39 26.21 + 9 08 31.6 18.3 13".4 W, 10".3 N ---------------------------------------------------------------------— The Palomar 1.52-m reflector (+ Gunn filters) was used for follow-up photometry and was used for the g and r magnitudes listed below (otherwise unfiltered CSS images were stated or presumed for other magnitudes below). Additional magnitudes for 2008gs: Feb. 10.10 UT, [20.0; Sept. 22.21, r = 17.8, g = 17.5; 24.21, r = 17.8, g = 17.4; Oct. 8.38, 18.1; 30.22, 18.8. Additional magnitudes for 2008gt: Oct. 1.26, [20.5; Nov. 1.18, r = 18.4. Additional magnitudes for 2008gu: Jan. 18.45, [20.0; Sept. 21.41, 18.3; 29.34, 18.0; Oct. 8.38, 17.8; Nov. 1.15, r = 17.5, g = 17.8. Additional magnitudes for 2008gv: Mar. 11.11, [20.0; Sept. 24.32, 18.9; Oct. 6.44, 19.1; 25.40, 19.7; Nov. 1.22, r = 19.6, g = 19.9. Additional magnitudes for 2008gw: Oct. 10.50, [20.0; 24.47, 18.8.