Spectral line identification of Comet Halley in March-April 1986

Details Spectral line identification of Comet Halley in March-April 1986 Spectral line identification of Comet Halley in March-April 1986

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990cha%26a..14..234w&link_type=abstract

Chinese Astronomy and Astrophysics, Volume 14, Issue 2, p. 234-239.

Astronomy and Astrophysics

Astrophysics

Scientific paper

In March-April 1986 when Comet Halley was between 1 and 1.5 AU fron the Sun, we used the 1-metre telescope of Yunnan Observatory and obtained 7 long-slit spectra at a dispersion of 165 A/mm and with a resolution better than 7 A. The results of line identification on 6 of the plates between 3000-5100 A are given here. The main lines are emission lines of the molecules CN, C2, C3, CH, NH, and OH, while NH2, CH+, N and H2CO lines are probably present also. The appearance of the OH (3090 A) line shows incidentally that conditions at Yunnan Observatory are favorable for ultraviolet observations.

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