2003IAUC.8251....1C

P. Challis, Center for Astrophysics, on behalf of the ESSENCE project (cf. IAUC 8237, 8021, 8034), reports the discovery of 13 supernovae on multiple R- and I-band images taken at the Blanco 4-m telescope during Nov. 15-30 by project members. Spectroscopy – obtained on Nov. 15-30 with the Very Large Telescope (+ FORS1), Gemini telescope (+ GMOS), and Magellan (+ IMACS and + LDSS2) reflectors – shows all except SN 2003kj (which is of type II) to be of type Ia. Included below are measured redshifts; each new supernova is within 1"-2" of its host-galaxy center. SN 2003 UT R.A. (2000.0) Decl. Mag. z 2003kj Nov. 15 1 14 36.56 - 0 23 58.2 22.3 0.1 2003kk Nov. 15 23 25 36.06 - 9 31 44.7 20.3 0.2 2003kl Nov. 17 1 09 48.80 + 1 00 05.6 21.0 0.3 2003km Nov. 19 2 30 09.00 - 9 04 35.9 21.8 0.3 2003kn Nov. 21 2 09 15.55 - 3 35 41.4 21.3 0.2 2003ko Nov. 21 2 11 06.48 - 3 47 56.1 21.7 0.4 2003kp Nov. 21 2 31 02.64 - 8 39 50.8 22.1 0.6 2003kq Nov. 21 2 31 04.09 - 8 10 56.6 22.6 0.6 2003kr Nov. 21 2 31 20.96 - 8 36 14.2 22.0 0.4 2003ks Nov. 21 2 31 34.54 - 8 36 46.4 22.2 0.5 2003kt Nov. 21 2 33 47.01 - 8 36 22.1 22.8 0.6 2003ku Nov. 23 1 08 36.25 - 0 33 20.8 22.9 0.8 2003kv Nov. 27 2 09 42.52 - 3 46 48.6 23.4 0.8