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

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

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. Hα emission (∼4.1 × 10 27 photon sec −1) was observed from the head of the Comet. An upper l...

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Veröffentlicht in:Icarus (New York, N.Y. 1962) N.Y. 1962), 1974-01, Vol.23 (4), p.618-622
Hauptverfasser: Lanzerotti, L.J., Robbins, M.F., Tolk, N.H., Neff, S.H.
Format: Artikel
Sprache:eng
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Zusammenfassung: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. Hα emission (∼4.1 × 10 27 photon sec −1) 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 Hα emission. The Na D1/ D2 line intensities on both nights were approximately 0.5, indicating an optically thin emission region.
ISSN:0019-1035
1090-2643
DOI:10.1016/0019-1035(74)90030-X