Outline

This page outlines an investigation into the cross-matching used by the Durham group to generate the 'true positives' and 'false positives' data subsets.

Durham supplied the following files (FITS binary table format):

File	Rows	Comments
footprint-stripe82.fits		Sloan Stripe 82 master file
footprint-g-all-psphot.fits.bz2		all IPP g filter
footprint-r-all-psphot.fits.bz2		all IPP r filter
footprint-i-all-psphot.fits.bz2		all IPP i filter
footprint-z-all-psphot.fits.bz2		all IPP z filter
footprint-y-all-psphot.fits.bz2		all IPP y filter
footprint-g-not-matched-psphot.fits.bz2	171,973	all IPP false detections in g
footprint-r-not-matched-psphot.fits.bz2	67,455	all IPP false detections in r
footprint-i-not-matched-psphot.fits.bz2	59,973	all IPP false detections in i
footprint-y-not-matched-psphot.fits.bz2	46,729	all IPP false detections in z
footprint-z-not-matched-psphot.fits.bz2	51,391	all IPP false detections in y