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HD 48150


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Photoelectric Observations of Southern Cepheids in 2001
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Secondary UVBY standards in the Harvard E-regions
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Secondary standards for H-beta photometry in the Southern Hemisphere (second series).
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Secondary standards for H-beta photometry in the E regions.
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HD 47147 - A small-amplitude extreme metal-poor RRab pulsating variable
The photometric variations and physical and kinematical properties of HD47147, a ninth magnitude metal-deficient star, are discussed. The longperiod (0.79732 days), the small amplitude (0.17 mag in the visualband), and the mean effective temperature of 6160 K of this RR Lyraepulsating variable can be understood by its location near the red edgeof the instability strip. The extreme Population II characteristics ofHD 47147 are confirmed by its kinematical properties. The temperatureand the relatively high luminosity derived are consistent with bothpossibilities that HD 47147 is a red horizontal branch star or that itis a suprahorizontal branch star actually evolving redward toward theasymptotic branch. Its low amplitude suggests the possibility that thered edge of the instability strip corresponds to a smooth transitionfrom variable to non-variable stars.

Photoelectric standards of intermediate brightness in the E-regions. I. UBV photometry.
Not Available

Photometric standard stars for the UBV and (RI)KC systems.
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VRI standards in the E regions
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Standard Stars for VRI Photometry with S25 Response Photocathodes [Errata: 1974MNSSA..33....1C]
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Standard magnitudes in the E regions.
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Observation and Astrometry data

Constellation:Puppis
Right ascension:06h39m46.81s
Declination:-43°24'10.4"
Apparent magnitude:7.384
Distance:531.915 parsecs
Proper motion RA:-12.1
Proper motion Dec:8.9
B-T magnitude:7.219
V-T magnitude:7.371

Catalogs and designations:
Proper Names
HD 1989HD 48150
TYCHO-2 2000TYC 7626-14-1
USNO-A2.0USNO-A2 0450-02852464
HIPHIP 31875
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