AAS Journals
Published December 15, 2017 | Version v1
Software Open

The Optical/Near-Infrared Extinction Law in Highly Reddened Regions

Authors/Creators

  • 1. Institute for Astronomy, University of Hawaii at Manoa
  • 2. University of Ca
  • 3. Space Telescope Science Institute
  • 4. University of California, Los Angeles
  • 5. Lawrence Berkeley
  • 6. University of
  • 7. University
  • 8. Univers
  • 9. University of C

Description

A python code to generate the extinction law between 0.8 -- 2.2 microns as described in ''The Optical/Near-Infrared Extinction Law in Highly Reddened Regions'' by Hosek et al. (2018). The law is derived using the Westerlund 1 (Wd1) main sequence (A_Ks ~ 0.6 mag) and Arches cluster field Red Clump at the Galactic Center (A_Ks ~ 2.7 mag). To derive the law a Wd1 cluster age of 5 Myr is assumed, though changing the cluster age between 4 Myr -- 7 Myr has no effect on the law.

This extinction law can be applied to highly reddened stellar populations that have similar foreground material as Wd1 and the Arches RC, namely dust from the spiral arms of the Milky Way in the Galactic Plane.

Files

README.md

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Additional details

Related works

Is supplement to
https://github.com/mwhosek/extlaw_H18 (URL)