Issue |
A&A
Volume 438, Number 2, August I 2005
|
|
---|---|---|
Page(s) | 769 - 778 | |
Section | Catalogs and data | |
DOI | https://doi.org/10.1051/0004-6361:20052788 | |
Published online | 08 July 2005 |
Pre-main sequence star Proper Motion Catalogue
1
Observatoire de Bordeaux, UMR 5804, CNRS/INSU, BP 89, 33270 Floirac, France e-mail: ducourant@obs.u-bordeaux1.fr
2
Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Brasil
3
GEPI/Observatoire de Paris, France
4
Laboratório Nacional de Astrofísica, Brasil
Received:
31
January
2005
Accepted:
24
March
2005
We measured the proper motions of 1250 pre-main sequence
(PMS) stars and of 104 PMS candidates spread over all-sky major
star-forming regions. This work is the continuation of a previous
effort where we obtained proper motions for 213 PMS stars located
in the major southern star-forming regions. These stars are now
included in this present work with refined astrometry. The major
upgrade presented here is the extension of proper motion
measurements to other northern and southern star-forming regions
including the well-studied Orion and Taurus-Auriga regions for
objects as faint as . We improve the precision of the proper motions
which benefited from the inclusion of new observational
material. In the PMS proper motion catalogue presented here, we
provide for each star the mean position and proper motion as well
as important photometric information when available. We provide
also the most common identifier. The rms of proper motions
vary from 2 to 5 mas/yr depending on the available sources of
ancient positions and depending also on the embedding and binarity
of the source. With this work,
we present the first all-sky catalogue of proper motions
of PMS stars.
Key words: astrometry / stars: kinematics / stars: pre-main sequence / galaxy: open clusters and associations: general
© ESO, 2005
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