High resolution scans of Comet Kohoutek in the vicinity of 5015, 5890, and 6563 A

Details High resolution scans of Comet Kohoutek in the vicinity of 5015, 5890, and 6563 A High resolution scans of Comet Kohoutek in the vicinity of 5015, 5890, and 6563 A

Dec 1974

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1974icar...23..618l&link_type=abstract

Icarus, vol. 23, Dec. 1974, p. 618-622.

Astronomy and Astrophysics

Astronomy

6

Astronomical Spectroscopy, Comet Heads, H Alpha Line, Kohoutek Comet, Electrophotometry, Emission Spectra, Helium, High Resolution, Line Spectra, Optical Thickness, Solar Instruments, Telescopes

Scientific paper

High resolution scans were made of Comet Kohoutek (1973f) using the McMath solar telescope at Kitt Peak National Observatory. The data were taken on January 1 and 4, 1974 UT, just after the comet perihelion. H-alpha emission was observed from the head of the comet. An upper limit on the He I(5015) radiation was determined to be less than 2% of the observed H-alpha emission. The Na D1/D2 line intensities on both nights were approximately 0.5, indicating an optically thin emission region.

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