Stellar occultations by two comets - IRAS-Araki-Alcock (1983d) and P/IRAS (1983j)

Details Stellar occultations by two comets - IRAS-Araki-Alcock (1983d) and P/IRAS (1983j) Stellar occultations by two comets - IRAS-Araki-Alcock (1983d) and P/IRAS (1983j)

Nov 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984icar...60..386l&link_type=abstract

Icarus (ISSN 0019-1035), vol. 60, Nov. 1984, p. 386-390.

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Iras-Araki-Alcock Comet, Stellar Occultation, Astronomical Photometry, Comet Nuclei, Dust, Light Curve

Scientific paper

A stellar appulse of comet 1983d was observed on 1983 May 08.956 using a video photometry technique. Although the miss distance did not exceed 420±50 km no significant absorption was detected. Another close appulse, of comet 1983j this time, was measured with a photoelectric photometer on 1983 September 14.036. A small feature of the lightcurve, only 1.8% deep, could be attributed to dust surrounding the nucleus within a 350 km radius. The deduced dust ejection rate is 6×106g/sec.

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