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HD 87604


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SANTIAGO 91, a right ascension catalogue of 3387 stars (equinox J2000).
The positions in right ascension of 3387 stars belonging to the Santiago67 Catalogue, observed with the Repsold Meridian Circle at Cerro Calan,National Astronomical Observatory, during the period 1989 to 1994, aregiven. The average mean square error of a position, for the wholeCatalogue, is +/-0.009 s. The mean epoch of the catalogue is 1991.84.

Color excesses of classical cepheids. I
The color excesses of eleven cepheids have been determined with the aidof photometry of field stars found in the proximity of the variables. Acomparison of the color excesses with previous color-excess results isgiven. Four cepheids: RT Aur, DT Cyg, Zeta Gem, and T Vul, haverelatively small and well-established reddening values. These fourstars, along with Alpha UMi, can serve as standards to calibratereddening-free indices with intrinsic color indices such as (b-y) or(B-V).

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Observation and Astrometry data

Constellation:Antlia
Right ascension:10h05m16.98s
Declination:-32°45'59.0"
Apparent magnitude:8.809
Distance:473.934 parsecs
Proper motion RA:-7.3
Proper motion Dec:-0.5
B-T magnitude:10.665
V-T magnitude:8.963

Catalogs and designations:
Proper Names
HD 1989HD 87604
TYCHO-2 2000TYC 7174-823-1
USNO-A2.0USNO-A2 0525-12664923
HIPHIP 49421

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