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# Pan-STARRS Pixel Analysis : Source Detection \& Characterization

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### Abstract

Over 3 billion astronomical objects have been detected in the more than 22 million orthogonal transfer CCD images obtained as part of the Pan-STARRS\,1 $$3\pi$$ survey. Over 85 billion instances of those objects have been automatically detected and characterized by the Pan-STARRS Image Processing Pipeline photometry software, \code{psphot}. This fast, automatic, and reliable software was developed for the Pan-STARRS project, but is easily adaptable to images from other telescopes. We describe the analysis of the astronomical objects by \code{psphot} in general as well as for the specific case of the 3rd processing version used for the first public release of the Pan-STARRS $$3\pi$$ survey data.

### Author and article information

###### Journal
2016-12-15
###### Article
1612.05244