Title of article :
The effect of proper motion on Pan-STARRS asteroid astrometry
Author/Authors :
Tholen، نويسنده , , David J. and Micheli، نويسنده , , Marco and Elliott، نويسنده , , Garrett T.، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2013
Abstract :
We present evidence that the failure to account for proper motion is responsible for most of the regional biases seen in the astrometry of asteroids produced by the Pan-STARRS sky survey, as well as the 0.02 arcsec northward bias seen in our own Apophis astrometry.
Keywords :
Data reduction techniques , Asteroids , celestial mechanics , Asteroids , Dynamics , astrometry
