Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994pasj...46l...1w&link_type=abstract
PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 46, no. 1, p. L1-L4
Astronomy and Astrophysics
Astrophysics
2
Astronomical Photography, Astronomical Photometry, Comet Nuclei, Shoemaker-Levy 9 Comet, Size Determination, Astronomical Observatories, Charge Coupled Devices, Density (Mass/Volume), Mass, Reflecting Telescopes
Scientific paper
A CCD imaging observation of Periodic Comet Shoemaker-Levy 9 (1993e) was carried out at the Okayama Astrophysical Observatory. We derived the magnitude of ten large nuclei in the R-band, and estimated the lower limits of their sizes. The diameter of the nuclei is larger than 0.7 - 0.9 km, which corresponds to a mass of 2 - 4 x 1011 kg when the bulk density is assumed to be approximately 1 g/cu cm.
Abe Masanao
Hirota Yuka
Watanabe Jun'ichi
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