Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998ppmto..17...61y&link_type=abstract
Publ. Purple Mt. Obs., Vol. 17, No. 2, p. 61 - 64
Astronomy and Astrophysics
Astronomy
Comets: Outbursts, Comets: Photoelectric Photometry
Scientific paper
It is shown that the nucleus of comet Hale-Bopp brightened up rapidly, 1m5 in less than 1 hour on Oct 9 and 2m1 in about half hour on Nov 13. Usually, the outburst will lead to the rapid expansion of coma. Two pictures taken on the same dates by Qindao Station with a 32 cm astrograph (f = 3.58 m) show large envelopes appeared around the nucleus of comet Hale-Bopp, which should be considered as the proof and accompanying phenomena of the outburst.
Cai Hongfang
Fan Yixin
Yang Benyou
Zhang Chunsheng
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