TEMPERATURE VARIATIONS IN HR 6684

Differential magnitude measurements of HR 6684 in ultraviolet and yellow light were made on four nights. An improved period of 0ḍ1398903 was determined with a total amplitude of 0ṃ063 in ultraviolet light and 0ṃ028 in yellow light. Using the amplitude difference of 0ṃ035, a temperature variation of...

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Bibliographic Details
Published in:Publications of the Astronomical Society of the Pacific 1974-12, Vol.86 (514), p.943-946
Main Authors: MORTON, ALLAN E., HANSEN, H. KIMBALL
Format: Article
Language:English
Subjects:
Astronomical magnitude
Mathematical maxima
Mathematical minima
Optical filters
Piers
Radial velocity
Stars
Telescopes
Ultraviolet radiation
Variable stars
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Summary:Differential magnitude measurements of HR 6684 in ultraviolet and yellow light were made on four nights. An improved period of 0ḍ1398903 was determined with a total amplitude of 0ṃ063 in ultraviolet light and 0ṃ028 in yellow light. Using the amplitude difference of 0ṃ035, a temperature variation of 900° K ± 120 ° was found.
ISSN:0004-6280
1538-3873
DOI:10.1086/129702