Physics
Scientific paper
Oct 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978geocs...0.....f&link_type=abstract
GEOS Circular on Semi-Regular Variables, No. SR 0, 1 p. (1978)
Physics
Variable Stars: Publications
Scientific paper
GEOS is a European group of variable star observers who have performed roughly half a million visual estimates from 1974 to 1977. Before 1978, the results obtained on all types of variable stars were published in the "Notes Circulaire" in the form of miscellaneous notes together with informative material for GEOS members. The most important results now appear separately in several different sets of new circulars: the "GEOS Circulars", while the "Notes Circulaires" retain their role of a liaison bulletin between the GEOS observers and keep on giving partial results or results which are not sufficiently confirmed. This particular set of GEOS Circulars, referred to as GEOS SR, is devoted to red variable stars such as the semi-regular ore slow irregular variable stars. Its main purpose consists in publishing accurate light-curves of bright SR and L type variable stars. GEOS SR will be issued on a non-periodical basis, according to need.
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