Spectrum of ρ Cassiopeiæ

Details Spectrum of ρ Cassiopeiæ Spectrum of ρ Cassiopeiæ

Sep 1947

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1947natur.160..370t&link_type=abstract

Nature, Volume 160, Issue 4063, pp. 370-371 (1947).

Computer Science

1

Scientific paper

THE spectrum of the irregular variable ρ Cassiopeise has been variously classified as G7 (Victoria), cG0 (Mt. Wilson), F8p (Yerkes) and F8p (Harvard), the last classification being accompanied by the note ``the spectrum resembles class K0 in the region of Hβ'' The classifications agree in attributing the spectrum to a supergiant with a luminosity about 1,500 times that of the sun, while the surface temperature varies irregularly in periods of the order of 200-1,000 days, about an average not far from the solar value of 6,000° K.

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