New Hipparcos-based Parallaxes for 424 Dim Stars

Andrew Gould; Julio Chaname

doi:10.1086/381147

New Hipparcos-based Parallaxes for 424 Dim Stars

Astrophysics 2009-11-10 v1

Authors: Andrew Gould , Julio Chaname

View on arXiv ↗ PDF ↗ DOI ↗

Abstract

We present a catalog of 424 common proper motion companions to Hipparcos stars with good (>3 sigma) parallaxes, thereby effectively providing new parallaxes for these companions. Compared to stars in the Hipparcos catalog, these stars are substantially dimmer. The catalog includes 20 WDs and an additional 29 stars with M_V>14, the great majority of the latter being M dwarfs.

Keywords

parallax Hipparcos proper motion white dwarfs M dwarfs

Cite

@article{arxiv.astro-ph/0309001,
  title  = {New Hipparcos-based Parallaxes for 424 Dim Stars},
  author = {Andrew Gould and Julio Chaname},
  journal= {arXiv preprint arXiv:astro-ph/0309001},
  year   = {2009}
}

Comments

Submitted to ApJS, 20 pages

Related papers

View all related →

Astrophysics · Physics

A search for previously unrecognised metal-poor subdwarfs in the Hipparcos astrometric catalogue

I. Neill Reid, F. van Wyk, F. Marang, G. Roberts +2

2009-10-31

Astrophysics · Physics

New Distant Companions to Known Nearby Stars. II. Faint companions of Hipparcos stars and the frequency of wide binary systems