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classps1news

2024.02.02: Search for moving targets in PS1 images and catalogs

A new Python Jupyter notebook has been written to search PS1 images and catalogs that have observations of a moving solar system target.  In about one minute, the notebook finds all PS1 observations that included a particular target and extracts cutout images and catalog measurements.  See the How to search for moving targets in PS1 images and catalogs page for details. 

2022.06.30: PS1 astrometry updated using Gaia EDR3

The astrometry in PS1 has been updated using Gaia EDR3.  Systematic distortion astrometric distortions and color terms in the astrometry are much improved(from differential chromatic aberration) are greatly reduced.  It is still possible to access the old positions, but the new astrometry is preferred for most purposes. See PS1 Astrometry Correction Using Gaia EDR3 for more details.

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