Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989chjss...8..122g&link_type=abstract
(Chinese Journal of Space Science, vol. 8, Apr. 1988, p. 122-127) Chinese Physics (ISSN 0273-429X), vol. 9, July-Sept. 1989, p.
Astronomy and Astrophysics
Astronomy
Halley'S Comet, Infrared Photometry, Light Curve, Spectral Bands, Spectrophotometry, Infrared Astronomy, Near Infrared Radiation
Scientific paper
An IR photometer-spectrophotometer with J, H, and K standard filters was used to observe Halley's comet in the near IR from March 25-April 3, 1986 at Yunnan Observatory. CVF observation in the 1.3-2.6 micron range found some emissions at 1.4, 1.9, and beyond 2.6 microns. It appears that the emissions at 1.4 and 1.9 microns came from H2O and that the other emissions possibly came from OH. From results in the J, H, and K bands, all the IR magnitudes of Halley's comet were faint during the observation period. Combined with previous data from observations of Halley's comet by photoelectric photometry, it is proposed that the faint magnitudes were the result of a cometary outburst just before the IR observation time.
Chen Pei-Sheng
Cheng Yan-Kang
Gao Heng
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