An Extinction Study of the Taurus Dark Cloud Complex

Details An Extinction Study of the Taurus Dark Cloud Complex An Extinction Study of the Taurus Dark Cloud Complex

1999-02-08

arxiv.org/abs/astro-ph/9902110v1

Astronomy and Astrophysics

Astrophysics

49 pages (which include 6 pages of tables and 6 pages of figures)

Scientific paper

10.1086/307168

We present a study of the detailed distribution of extinction in a region of the Taurus dark cloud complex. Our study uses new BVR images of the region, spectral classification data for 95 stars, and IRAS Sky Survey Atlas (ISSA) 60 and 100 micron images. We study the extinction of the region in four different ways, and we present the first inter-comparison of all these methods, which are: 1) using the color excess of background stars for which spectral types are known; 2) using the ISSA 60 and 100 micron images; 3) using star counts; and 4) using an optical (V and R) version of the average color excess method used by Lada et al. (1994). We find that all four methods give generally similar results, with important exceptions. To study the structure in the dust distribution, we compare the ISSA extinction and the extinction measured for individual stars. From the comparison, we conclude that in the relatively low extinction regions studied, with 0.9 < A_V < 3.0 mag (away from filamentary dark clouds and IRAS cores), there are no fluctuations in the dust column density greater than 45% (at the 99.7% confidence level), on scales smaller than 0.2 pc. We also report the discovery of a previously unknown stellar cluster behind the Taurus dark cloud near R.A 4h19m00s, Dec. 27:30:00 (B1950)

Affiliated with

Also associated with

No associations

Rating

An Extinction Study of the Taurus Dark Cloud Complex does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with An Extinction Study of the Taurus Dark Cloud Complex, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and An Extinction Study of the Taurus Dark Cloud Complex will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-157949