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HD 37950


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Search for associations containing young stars (SACY). I. Sample and searching method
We report results from a high-resolution optical spectroscopic surveyaimed to search for nearby young associations and young stars amongoptical counterparts of ROSAT All-Sky Survey X-ray sources in theSouthern Hemisphere. We selected 1953 late-type (B-V~≥~0.6),potentially young, optical counterparts out of a total of 9574 1RXSsources for follow-up observations. At least one high-resolutionspectrum was obtained for each of 1511 targets. This paper is the firstin a series presenting the results of the SACY survey. Here we describeour sample and our observations. We describe a convergence method in the(UVW) velocity space to find associations. As an example, we discuss thevalidity of this method in the framework of the β Pic Association.

SANTIAGO 91, a right ascension catalogue of 3387 stars (equinox J2000).
The positions in right ascension of 3387 stars belonging to the Santiago67 Catalogue, observed with the Repsold Meridian Circle at Cerro Calan,National Astronomical Observatory, during the period 1989 to 1994, aregiven. The average mean square error of a position, for the wholeCatalogue, is +/-0.009 s. The mean epoch of the catalogue is 1991.84.

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Сазвежђа:Голуб
Ректацензија:05h40m49.00s
Deклинација:-31°24'06.9"
Apparent магнитуда:8.68
Даљина:299.401 parsecs
Proper motion RA:11
Proper motion Dec:-25.3
B-T magnitude:9.995
V-T magnitude:8.789

Каталог и designations:
Proper имена   (Edit)
HD 1989HD 37950
TYCHO-2 2000TYC 7056-1342-1
USNO-A2.0USNO-A2 0525-02298169
HIPHIP 26735

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