Period determinations for Southern Hemisphere red variables. II

Details Period determinations for Southern Hemisphere red variables. II Period determinations for Southern Hemisphere red variables. II

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99..917s&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 99, March 1990, p. 917-923, 1058-1060. Research supported by the University of Kansa

Astronomy and Astrophysics

Astronomy

2

Red Giant Stars, Southern Sky, Stellar Spectrophotometry, Variable Stars, Astronomical Catalogs, Astronomical Photography, Light Curve

Scientific paper

Light curves, periods, and times of maximum light are derived for 15 southern long-period variable stars on the basis of both archival photographic materials and new photoelectric data. While in seven cases the periods agree with values given in the General Catalog of Variable Stars (GCVS), significantly different values are derived for RZ CrA, SV Lib, EE Lib, BM Sgr, and BK Tel. Periods have been determined for three stars not having values in the GCVS: EN Lib, FF Lup, and FL Lup. Finding charts are provided for six stars. It is confirmed that times of maximum light for long-period variable stars derived from older ephemerides are unreliable.

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