English

Cool dwarfs stars from the Torino Observatory Parallax Program

Solar and Stellar Astrophysics 2015-05-18 v1

Abstract

We investigate and parameterise high proper motion red stars in the Torino Observatory Parallax Program. Observations of 27 objects were made over the period 1994 - 2001 on the 1.05m Torino telescope. The trigonometric parallaxes and proper motions were determined using standard techniques. We determine parallaxes and proper motions, and by comparison to models we infer masses, ages, and {metallicities}. Of the 27 objects, 22 are within 25pc and 4 appear to be subdwarfs. There are published parallaxes for 18 objects, and all but 4 agree to within 2σ\sigma. The discrepancies are discussed.

Keywords

Cite

@article{arxiv.1003.1465,
  title  = {Cool dwarfs stars from the Torino Observatory Parallax Program},
  author = {R. L. Smart and G. Ioannidis and H. R. A. Jones and B. Bucciarelli and M. G. Lattanzi},
  journal= {arXiv preprint arXiv:1003.1465},
  year   = {2015}
}

Comments

8 pages 6 figures accepted by AA

R2 v1 2026-06-21T14:54:42.781Z