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# DVO Documentation

(up to [PS1 Data Release](/ippdata/index.php))

Below are links to documentation related to the distributed data

* [Photometric Reference Ladder, Release 12.01 Notes](photladder.php)
* [Photometric Reference Ladder, Release 12.01 Paper (pdf)](photladder-1206.20130301.pdf)

* [PS1 Photometric System](http://svn.pan-starrs.ifa.hawaii.edu/trac/ipp/wiki/PS1_Photometric_System)
* [Tonry et al paper on the PS1 Photometric System](http://adsabs.harvard.edu/abs/2012ApJ...750...99T)

* [Schlafly et al ubercal paper](http://adsabs.harvard.edu/abs/2012ApJ...756..158S)
