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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: | Walfisch |
| Right ascension: | 01h31m09.07s |
| Declination: | +01°39'29.4" |
| Apparent magnitude: | 9.349 |
| Proper motion RA: | 6.9 |
| Proper motion Dec: | 7.4 |
| B-T magnitude: | 9.909 |
| V-T magnitude: | 9.396 |
Catalogs and designations:
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INHABITED SKY
