The long-period variables of Fornax. I - Search, discovery and periods

Details The long-period variables of Fornax. I - Search, discovery and periods The long-period variables of Fornax. I - Search, discovery and periods

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987mnras.226..943d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 226, June 15, 1987, p. 943-961. NSERC-SERC-supported re

Astronomy and Astrophysics

Astronomy

18

Carbon Stars, Dwarf Galaxies, Local Group (Astronomy), Stellar Spectrophotometry, Variable Stars, Visible Spectrum, Spectrum Analysis, Stellar Color, Stellar Magnitude

Scientific paper

Twenty-one visual UKST plates, measured by the APM, were used to identify 30 long-period variables in Fornax. Periods are determined for 26 of them. No large-amplitude Mira variable has been detected; a group of low-amplitude variables is observed. These Population II variables have essentially the same absolute visual magnitude as the LPVs in galactic globular clusters and the LPVs near NGC 371 in the SMC. Their period and amplitude distributions are, however, different. The visual photometry is not extensive enough to reveal more of the physical properties of these variables, but from their color it can be stated that nearly a quarter of the variables appear to be carbon stars.

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