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HD 26975


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The luminosity scale of RR Lyrae stars with the Baade-Wesselink method. I - Photometry and radial velocities
UBVRI optical and JK IR photometry and radical velocities are presentedfor a sample of 13 field RR Lyrae stars with metallicities ranging frommetal-rich to metal-poor. These stars include 11 ab-type variables, SWAnd, RR Cet, SU Dra, Rx Eri, RR Gem, RR Leo, TT Lyn, AV Peg, AR Per, TUUMa, and UU Vir, and two c-type variables, TV Boo and T Sex. Light,color, and radial velocity curves of these RR Lyrae stars are alsopresented in the paper.

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Observation and Astrometry data

Constellation:Perseus
Right ascension:04h18m09.90s
Declination:+48°05'13.1"
Apparent magnitude:8.596
Distance:364.964 parsecs
Proper motion RA:-2
Proper motion Dec:-14.2
B-T magnitude:8.831
V-T magnitude:8.616

Catalogs and designations:
Proper Names
HD 1989HD 26975
TYCHO-2 2000TYC 3332-1053-1
USNO-A2.0USNO-A2 1350-04434039
HIPHIP 20064

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