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Simultaneous UVBY beta photometry of SX Phoenicis stars
In this paper, we present simultaneous uvby beta photometricobservations of five SX Phe stars: XX Cyg, CY Aqr, DY Peg, BS Tuc, andSU Crt. The light curves were obtained at Sierra Nevada Observatory,Granada, Spain and European Southern Observatory, La Silla, Chile on 30nights from 1986 through 1988 and contain 847 points in each of the fouruvby colors of the Stromgren photometric system and 542 points in eachof the two narrow and wide channels of the H-beta Crawford system.
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Observation and Astrometry data
| Constellation: | Κρατήρ |
| Right ascension: | 11h32m48.54s |
| Declination: | -12°34'06.1" |
| Apparent magnitude: | 9.435 |
| Proper motion RA: | -14.9 |
| Proper motion Dec: | 4.2 |
| B-T magnitude: | 9.751 |
| V-T magnitude: | 9.462 |
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