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HD 232174


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Observational studies of Cepheids. II - BVRI photometry of 112 Cepheids
Over 4000 differentially determined photoelectric BVRI observations andthe resulting light curves are presented for 112 Cepheids accessiblefrom Northern Hemisphere observatories. The internal precision of thesedata is better than + or - 0.01 mag, and the accuracy of transformationto the Johnson BVRI system is nearly as good.

An investigation of radius anomalies among short-period Cepheids
Simultaneous photometric and spectroscopic observations have beenobtained of two short-period Cepheids, SU Cas and TU Cas. The Wesselinkmethod of Barnes et al. was used to obtain radii. The radii are found toagree, within the expected error, with evolutionary values. Thisstrengthens the argument that the beat Cepheids are normal Cepheids inmixed-mode behavior rather than a separate class of objects and thatevolutionary masses and radii are correct.

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Observation and Astrometry data

Constellation:Cassiopée
Right ascension:00h23m16.98s
Declination:+51°11'40.4"
Apparent magnitude:8.567
Distance:277.008 parsecs
Proper motion RA:11.8
Proper motion Dec:-1.5
B-T magnitude:9.781
V-T magnitude:8.668

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 232174
TYCHO-2 2000TYC 3260-865-1
USNO-A2.0USNO-A2 1350-00416215
HIPHIP 1839

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