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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: | Taurus |
| 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 |
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NEWS@SKY (Science&Space News)
