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Title:
The Solar Neighborhood. VIII. Discovery of New High Proper Motion Nearby Stars Using the SuperCOSMOS Sky Survey
Authors:
Hambly, Nigel C.; Henry, Todd J.; Subasavage, John P.; Brown, Misty A.; Jao, Wei-Chun
Affiliation:
AA(Institute for Astronomy, School of Physics, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh EH9 3HJ, Scotland, UK), AB(Department of Physics and Astronomy, Georgia State University, Atlanta, GA 30303-3083), AC(Department of Physics and Astronomy, Georgia State University, Atlanta, GA 30303-3083), AD(Department of Physics and Astronomy, Georgia State University, Atlanta, GA 30303-3083), AE(Department of Physics and Astronomy, Georgia State University, Atlanta, GA 30303-3083)
Publication:
The Astronomical Journal, Volume 128, Issue 1, pp. 437-447. (AJ Homepage)
Publication Date:
07/2004
Origin:
UCP
Astronomy Keywords:
Galaxy: Stellar Content, Galaxy: Solar Neighborhood, Stars: Distances, Stars: Luminosity Function, Mass Function, Stars: Statistics
DOI:
10.1086/421748
Bibliographic Code:
2004AJ....128..437H

Abstract

Five new objects with proper motions between 1.0" and 2.6" yr-1 have been discovered via a new Research Consortium on Nearby Stars (RECONS) search for high proper motion stars using the SuperCOSMOS Sky Survey. The first portion of the search, discussed here, is centered on the south celestial pole and covers declinations -90° to -57.5d. Photographic photometry from SuperCOSMOS and JHKs near-infrared photometry from the Two Micron All Sky Survey for stars nearer than 10 pc are combined to provide a suite of new MKs-color relations useful for estimating distances to main-sequence stars. These relations are then used to derive distances to the new proper motion objects, as well as previously known stars with μ>=1.0" yr-1 (many of which have no trigonometric parallaxes) recovered during this phase of the survey. Four of the five new stars have red dwarf colors, while one is a nearby white dwarf. Two of the red dwarfs are likely to be within the RECONS 10 pc sample, and the white dwarf probably lies between 15 and 25 pc. Among the 23 known stars recovered during the search, there are three additional candidates for the RECONS sample that have no trigonometric parallaxes.

Associated Articles

Part 1     Part  2     Part  3     Part  4     Part  5     Part  6     Part  7     Part  8     Part  9     Part 10     Part 11     Part 12     Part 13     Part 14     Part 15     Part 16     Part 17     Part 18     Part 19     Part 20     Part 21     Part 22     Part 23    

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