SIMBAD references

1998AJ....116.2569I - Astron. J., 116, 2569-2573 (1998/November-0)

Optimal proper-motion measurements with the Wide Field and Planetary Camera.

IBATA R.A. and LEWIS G.F.

Abstract (from CDS):

An optimal maximum-likelihood technique for computing point-source image centroids from many, slightly offset, CCD frames is presented. The method is especially useful for measuring stellar proper motions from data taken with the Wide Field and Planetary Camera on board the Hubble Space Telescope, and also provides a means to identify very compact nonstellar sources. We work though the example problem of obtaining image centroids of objects in the Hubble Deep Field.

Abstract Copyright: ∼

Journal keyword(s): Astrometry - Galaxy: Kinematics and Dynamics - Stars: Kinematics

Simbad objects: 1

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