Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.250a.439c&link_type=abstract
In ESA Proceedings of the 20th ESLAB Symposium on the Exploration of Halley's Comet. Volume 1: Plasma and Gas p 439-444 (SEE N87
Astronomy and Astrophysics
Astronomy
11
Astronomical Spectroscopy, Halley'S Comet, Spectrophotometry, Astronomical Models, Brightness Distribution, Molecular Spectroscopy, Periodic Variations, Space Observations (From Earth)
Scientific paper
The authors observed comet Halley using an Intensified Dissector Scanner (IDS) spectrograph on the 2.7 m telescope at McDonald Observatory during the period from December 1984 through June 1986. Molecular emissions were first detected in February 1985 when CN was observed. Extensive spatial maps probing different regions of the coma were made starting in November 1985. Haser model production rates were computed for each night's data. The brightness of Halley, and therefore the production rates, were quite variable on timescales of a day, with variations of a magnitude or more in this time period. Nonequilibrium chemical models were calculated using Giotto and Vega data as constraints and inputs whenever possible. The variability of Halley cannot be explained solely by water sublimation, nor do the variations show the 52 - 53 hour period of rotation.
Barker Edwin S.
Cochran Anita L.
No associations
LandOfFree
Spectrophotometric observations of Comet Halley does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Spectrophotometric observations of Comet Halley, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spectrophotometric observations of Comet Halley will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1122537