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HD 29788


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Intermediate-Brightness Equatorial Spectrophotometric Standards
We have obtained spectral energy distributions for 41 7m 8m stars nearthe celestial equator (δ=±3°). The λλ31007600 Å spectral range is studied with a spectral resolution of 50Å. The relative rms error in the visible is 1 2%, increasing to 35% towards the edges of the wavelength interval studied. All stars arereferenced to a single standard, the circumpolar star HD 221525. Thesynthetic colors of common stars are compared with those observed infour photometric systems: U BV, W BV R, uvby, and that of the TYCHOcatalog. The program stars are recommended as secondaryspectrophotometric standards.

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Observation and Astrometry data

Constellation:Stier
Right ascension:04h41m35.90s
Declination:+00°33'36.2"
Apparent magnitude:7.541
Distance:130.548 parsecs
Proper motion RA:-3.3
Proper motion Dec:9.4
B-T magnitude:7.792
V-T magnitude:7.562

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 29788
TYCHO-2 2000TYC 83-1199-1
USNO-A2.0USNO-A2 0900-01126391
HIPHIP 21833

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