Browsing by Author "Anderson, J."

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Ground-based CCD astrometry with wide field imagers : Observations just a few years apart allow decontamination of field objects from members in two globular clusters

Anderson, J.; Bedin, L. R.; Piotto, G.; Yadav, R. S.; Bellini, A. (2006)

This paper is the first of a series of papers in which we will apply the methods we have developed for high-precision astrometry (and photometry) with the Hubble Space Telescope (HS T ) to the case of wide-field ground-based ...
Ground-based CCD astrometry with wide-field imagers

Yadav, R. K. S.; Bedin, L. R.; Piotto, G.; Anderson, J.; Cassisi, S.; Villanova, S.; Platais, I.; Pasquini, L.; Momany, Y.; Sagar, R. (2008)

The solar-age open cluster M 67 (C0847+120, NGC 2682) is a touchstone in studies of the old Galactic disk. Despite its outstanding role, the census of cluster membership for M 67 at fainter magnitudes and their properties ...

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