Nearby stars from the LSPM-north Proper Motion Catalog. I. Main Sequence Dwarfs and Giants Within 33 Parsecs of the Sun

Details Nearby stars from the LSPM-north Proper Motion Catalog. I. Main Sequence Dwarfs and Giants Within 33 Parsecs of the Sun Nearby stars from the LSPM-north Proper Motion Catalog. I. Main Sequence Dwarfs and Giants Within 33 Parsecs of the Sun

2005-06-07

arxiv.org/abs/astro-ph/0506152v1

Astron.J.130:1680-1692,2005

Astronomy and Astrophysics

Astrophysics

13 pages, accepted for publication in the Astronomical Journal

Scientific paper

10.1086/432792

A list of 4,131 dwarfs, subgiants, and giants located, or suspected to be located, within 33 parsecs of the Sun is presented. All the stars are drawn from the new LSPM-north catalog of 61,976 stars with annual proper motions larger than 0.15''/yr$. Trigonometric parallax measurements are found in the literature for 1,676 of the stars in the sample; photometric and spectroscopic distance moduli are found for another 783 objects. The remaining 1,672 objects are reported here as nearby star candidates for the first time. Photometric distance moduli are calculated for the new stars based on the (M_V,V-J) relationship, calibrated with the subsample of stars which have trigonometric parallaxes. The list of new candidates includes 539 stars which are suspected to be within 25 parsecs of the Sun, including 63 stars estimated to be within only 15 parsecs. The current completeness of the census of nearby stars in the northern sky is discussed in light of the new candidates presented here. It is estimated that 32% (18%) of nuclear burning stars within 33 parsecs (25 parsecs) of the Sun remain to be located. The missing systems are expected to have proper motions below the 0.15''/yr limit of the LSPM catalog.

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