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HD 70639


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Optical observations of ultraviolet objects. I - Spectral classification of 103 stars /l = 200-275 deg/
Results are presented of a program of spectral classification of 103stars originally selected as ultraviolet objects from TD-1 satellitephotometry with the S2/68 experiment. Most of the objects appear to bespectroscopically normal stars; the method of selection yielded a sampleof relatively unreddened B stars at distances up to about 2 kpc. Thisresult is compared with recent studies of the spatial distribution ofinterstellar extinction in the same regions of the sky.

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Observation and Astrometry data

Constellation:Puppis
Right ascension:08h21m51.82s
Declination:-32°02'40.5"
Apparent magnitude:8.555
Distance:819.672 parsecs
Proper motion RA:-3.2
Proper motion Dec:4.8
B-T magnitude:8.403
V-T magnitude:8.543

Catalogs and designations:
Proper Names
HD 1989HD 70639
TYCHO-2 2000TYC 7126-861-1
USNO-A2.0USNO-A2 0525-08441103
HIPHIP 40985

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