2006-07-01

atmospheric extinction

[This post is for Friday.] All I did all day is work on the atmospheric extinction; I was trying to use five years of SDSS spectroscopic data to infer it. Unfortunately, seeing is correlated with airmass, so my results have a grey term due to fiber losses. Not sure what do to at this point, because there is very little we trust in the atmospheric extinction literature and folklore.

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