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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: | Gémeaux |
| Right ascension: | 07h32m21.43s |
| Declination: | +17°53'01.1" |
| Apparent magnitude: | 8.316 |
| Proper motion RA: | 7.3 |
| Proper motion Dec: | 13.3 |
| B-T magnitude: | 9.845 |
| V-T magnitude: | 8.443 |
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