Period determinations for Southern Hemisphere red variables. II

Journal Article · Thu Mar 01 00:00:00 EST 1990 · Astronomical Journal; (USA)

DOI:https://doi.org/10.1086/115384· OSTI ID:6966396

Shawl, S J; Bord, D J ^[1]

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1. Clyde W. Tombaugh Observatory, Lawrence, KS (USA) Michigan Univ., Dearborn (USA)

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. 9 refs.

• OSTI ID: 6966396
• Journal Information: Astronomical Journal; (USA), Vol. 99; ISSN 0004-6256
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
VARIABLE STARS
BRIGHTNESS
CATALOGS
PHOTOGRAPHY
RED GIANT STARS
SPECTROPHOTOMETRY
VARIATIONS
DOCUMENT TYPES
GIANT STARS
OPTICAL PROPERTIES
PHYSICAL PROPERTIES
STARS
640102* - Astrophysics & Cosmology- Stars & Quasi-Stellar
Radio & X-Ray Sources