Comet P/2013 W1 (Panstarrs)
Abstract
Bryce Bolin, Jan Kleyna, Richard Wainscoat, Peter Veres, and Larry Denneau report the discovery of a diffuse comet with a faint tail approximately 2" long in p.a. approximately 70 degrees on four 45s w-band exposures from the Pan-STARRS1 telescope on Haleakala (discovery astrometry tabulated below). 2013 UT R.A. (2000) Decl. Mag. Nov. 24.31002 3 03 09.49 + 7 49 20.3 20.7 24.32334 3 03 08.68 + 7 49 18.7 20.7 24.33666 3 03 07.87 + 7 49 16.9 20.8 After posting on the Minor Planet Center's PCCP webpage, H. Sato (Tokyo, Japan) has obtained a series of CCD exposures with an iTelescope 0.51-m f/6.8 astrograph at Siding Spring over several days that also show the object's cometary appearance: on Nov. 25.5 UT, he found a diffuse coma 12" in diameter and no tail with mag 18.8 as measured within a circular aperture of radius 8".8; on Nov. 26.5, he found a moderately condensed coma of diameter 12", while on Nov. 27.6, he found a strongly condensed coma of diameter 10" in stacked exposures.
- Publication:
-
Central Bureau Electronic Telegrams
- Pub Date:
- November 2013
- Bibcode:
- 2013CBET.3721....1S