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Issue A&A
Volume 402, Number 2, May I 2003
Page(s) 541 - 547
Section Stellar clusters and associations
DOI http://dx.doi.org/10.1051/0004-6361:20030166



A&A 402, 541-547 (2003)
DOI: 10.1051/0004-6361:20030166

Photometric parallaxes of Southern high proper motion stars. I.

E. Costa1 and R. A. Méndez2

1  Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile
2  European Southern Observatory, Casilla 19001, Santiago 19, Chile

(Received 25 October 2002 / Accepted 7 January 2003 )

Abstract
Photometric distances derived from VRI photometry are given for 44 high proper motion stars from the Cerro El Roble proper motion surveys of Wroblewski & Torres and Wroblewski & Costa. The observations were carried out with the main purpose of estimating the distance of selected members of the above survey that are likely to be nearby. We have discovered 13 stars closer than 25 pc, the classical limit of the Catalogs of Nearby Stars (see e.g. Gliese & Jahrei $\beta$ 1991) and the NASA/NSF NStars Project. Those stars of the sample whose photometric distances are less than ~25 pc, or have proper motions in excess of 0.50 arcsec/year, are either currently being targeted by the Cerro Tololo Parallax Investigation (CTIOPI) or will be targets of a forthcoming expansion of this survey.


Key words: astrometry -- stars: kinematics -- techniques: photometric

Offprint request: E. Costa, costa@das.uchile.cl

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