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Circular No. 7182 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 ISSN 0081-0304 Phone 617-495-7244/7440/7444 (for emergency use only) SUPERNOVAE 1999cj AND 1999ck IN ANONYMOUS GALAXIES D. Hardin, Laboratoire de Physique Nucleaire et des Hautes Energies, CNRS/IN2P3, and Universites Paris VI et VII, on behalf of the European Supernova Cosmology Consortium (N. A. Walton, R. S. Ellis, M. Irwin, R. G. McMahon, I. Hook, P. Ruiz-Lapuente, J. Mendez, A. Visco, P. Astier, C. Balland, G. Blanc, A. Blanchard, S. Fabbro, F. Hammer, D. Hardin, A. Letessier-Selvon, J. M. Levy, M. Mouchet, R. Pain, J. Rich, K. Shahmaneche, R. Taillet), and in collaboration with the Supernova Cosmology Project (cf. IAUC 7125, 7128), report two type-Ia supernovae found with the Isaac Newton 2.5-m telescope in their 1999 Intermediate Redshift Supernova Search: SN 1999 UT R.A. (2000.0) Decl. R Offset 1999cj Apr. 17 10 14 02.46 - 0 14 02.5 19.2 2".5 E, 0".6 S 1999ck Apr. 16 14 08 56.59 - 0 05 50.7 21.9 1".0 E, 0".8 S SN1999cj was discovered about 7 days past maximum. SN1999ck was discovered about 5 days before maximum. Both objects were confirmed with spectra obtained on Apr. 19 at the William Herschel Telescope. COMET C/1999 K8 (LINEAR) Another apparently asteroidal object discovered by LINEAR (discovery observation below; additional astrometry on MPEC 1999- K44), and posted on The NEO Confirmation Page, has been reported as cometary on May 27 by L. Sarounova (Ondrejov; coma diameter at least 30" with condensed nucleus), by M. Tichy and Z. Moravec (Klet; 10" coma), and by R. A. Koff (Thornton, CO; diffuse coma of diameter about 8"). 1999 UT R.A. (2000) Decl. m2 May 26.38431 21 35 58.89 +34 29 03.0 18.6 Very preliminary parabolic orbital elements by B. G. Marsden: T = 2000 Jan. 17.585 TT Peri. = 144.350 Node = 199.122 2000.0 q = 4.84481 AU Incl. = 51.540 (C) Copyright 1999 CBAT 1999 May 27 (7182) Daniel W. E. Green
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