Physics – Optics
Scientific paper
Mar 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aj....107.1182n&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 107, no. 3, p. 1182-1188
Physics
Optics
4
Dust, Grigg-Skjellerup Comet, Halley'S Comet, Images, Jet Flow, Occultation, Astronomical Observatories, Cassegrain Optics, Charge Coupled Devices, Optical Filters, Telescopes, Comets, Grigg-Skjellerup, Occultation, Comae, Dust, Jets, Comparison, Comet Nuclei, Earth-Based Observations, Ccd Methods, Density, Calculations
Scientific paper
P/Grigg-Skjellerup was observed to pass within 200 km of the line of sight to an anonymous faint star on the 1992 July 8 UT. The star's brightness was attenuated by 35% at closest approach by the comet. This result, combined with the faintness of the coma, suggests the presence of a dust jet in close proximity to, and emanating from, the nucleus of P/Grigg-Skjellerup similar to that observed in spacecraft images of the nuclear region of P/Halley.
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