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HD 30737


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A new optical extinction law and distance estimate for the Taurus-Auriga molecular cloud
This paper presents optical spectrophotometry of field stars projectedon the Taurus-Auriga molecular cloud. We derive extinction laws forheavily reddened stars in this sample and show that the reddening lawthrough the dark cloud is nearly identical to the standard law forlambda-lambda(3600-6100) and AV approximately less than 3mag. Our spectroscopic parallaxes suggest a distance of 140 +/- 10 pcfor the northern portion of the cloud and show no compelling evidencefor a substantial variation in distance across the leading edge of thecloud.

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Observation and Astrometry data

Constellation:Ταύρος
Right ascension:04h51m14.82s
Declination:+24°17'26.8"
Apparent magnitude:8.862
Distance:130.89 parsecs
Proper motion RA:-1.6
Proper motion Dec:-23
B-T magnitude:9.386
V-T magnitude:8.906

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 30737
TYCHO-2 2000TYC 1831-469-1
USNO-A2.0USNO-A2 1125-01846775
HIPHIP 22557

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