Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008pasj...60.1191k&link_type=abstract
Publications of the Astronomical Society of Japan, Vol.60, No.5, pp.1191--1198
Astronomy and Astrophysics
Astronomy
3
Comets: General, Comets: Individual (73P/Schwassmann-Wachmann 3), Solar System: Formation
Scientific paper
Comet 73P/Schwasmann-Wachmann 3 (hereafter SW3) is known as a split comet, and its fragments are the best targets to investigate the homogeneity of a cometary nucleus. We conducted optical low-dispersion spectroscopic observations of the brightest fragments, B and C, of comet SW3 with the NAYUTA telescope in 2006 early May, in the vicinity of the closest approach to Earth on 2006 May 12, UT. We report on the chemical compositions of these fragments. Both fragments are similar to each other in composition, and are significantly depleted in C2 compared with other comets.
Kanda Yu-Ichi
Kawakita Hideyo
Kobayashi Hitomi
Mori Atsushi
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