HD 53420

내용

Photoelectric photometry of M-type stars UBVRI photoelectric photometry was obtained for 110 M-type starscontained in the Caltech Two-Micron Survey and the revised AFGL Catalog.Of the 110 stars, 58 have a color index (B-R) greater than or equal to 4mag. A graph is given of (V-R) versus (V-I) for the present stars.
Classification of 831 two-micron sky survey sources south of +5 degrees. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975AJ.....80.1011H&db_key=AST
Catalogue d'étoiles variables nouvelles Not Available

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