[IAUC] CBET 3097: 20120430 : COMET P/2012 H1 (PANSTARRS)
quai en eps.harvard.edu
quai en eps.harvard.edu
Lun Abr 30 12:34:36 ART 2012
Electronic Telegram No. 3097
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
CBAT Director: Daniel W. E. Green; Hoffman Lab 209; Harvard University;
20 Oxford St.; Cambridge, MA 02138; U.S.A.
e-mail: cbatiau en eps.harvard.edu (alternate cbat en iau.org)
URL http://www.cbat.eps.harvard.edu/index.html
Prepared using the Tamkin Foundation Computer Network
COMET P/2012 H1 (PANSTARRS)
Larry Denneau, Richard Wainscoat, and Henry Hsieh report the discovery
of a comet in four exposures taken with the 1.8-m Pan-STARRS 1 telescope at
Haleakala (discovery observations tabulated below), with the object having a
soft appearance and a point-spread function slightly larger than those of
nearby stars.
2012 UT R.A. (2000) Decl. Mag.
Apr. 27.42935 14 21 18.44 - 4 25 44.4 21.6
27.44432 14 21 17.86 - 4 25 41.9 21.6
27.45931 14 21 17.31 - 4 25 39.2 21.6
27.47428 14 21 16.74 - 4 25 36.5 21.7
Additional astrometry (including Mount Lemmon Survey observations obtained on
2011 Feb. 7 and 2012 Mar. 28, and Spacewatch-telescope observations on 2012
Mar. 29), the following orbital elements by G. V. Williams, and an ephemeris
appear on MPEC 2012-H94.
Epoch = 2011 Mar. 20.0 TT
T = 2011 Mar. 19.2741 TT Peri. = 25.8586
e = 0.209054 Node = 126.3419 2000.0
q = 3.479927 AU Incl. = 6.7450
a = 4.399700 AU n = 0.1067996 P = 9.23 years
NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
superseded by text appearing later in the printed IAU Circulars.
(C) Copyright 2012 CBAT
2012 April 30 (CBET 3097) Daniel W. E. Green
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