Extinction Coefficients and Zero Points

The following are first order extinction coefficients based on obsevations obtained during the DECam Science Verification (Nov 1-19, 2012):

Filter	Mean	sigma
u	0.44	0.03
g	0.20	0.02
r	0.10	0.02
i	0.06	0.01
z	0.07	0.02
Y	0.07	0.01

Other esults on extinction coefficients and zeropoints for the DECam CCDs are provided in the following links:

Zeropoint and airmass results per CCD (courtesy Douglas Tucker) [1]
Zeropoint results (Nov 3, 2012 courtesy Paul Martini) [2]
First order Extinction results from Nov 3, 2012 [3]
Historical CTIO Extinction [4] results (for SDSS u'g'r'i'z' -- end of Table 4 of Smith, Tucker, Allam, et al. [5])
Zeropoint trends [6]

Links
[1] http://www.ctio.noao.edu/noao/content/Mean-Photometric-Standard-Star-Module-PSM-Solutions-mean-zeropoints-color-terms-extinctions
[2] https://cdcvs.fnal.gov/redmine/projects/des-sci-verification/wiki/Photometry
[3] https://cdcvs.fnal.gov/redmine/projects/des-sci-verification/wiki/MJD_56235_%28Evening_of_2012-11-03_to_morning_of_2012-11-04%29
[4] https://cdcvs.fnal.gov/redmine/projects/des-sci-verification/wiki/Historical
[5] http://www-star.fnal.gov/Southern_ugriz/New/publications.html
[6] https://cdcvs.fnal.gov/redmine/projects/des-sci-verification/wiki/Zeropoint_trends_for_Nov_1-19