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Title:
Meeting the Cool Neighbors. IV. 2MASS 1835+32, a Newly Discovered M8.5 Dwarf within 6 Parsecs of the Sun
Authors:
Reid, I. Neill; Cruz, K. L.; Laurie, Stephen P.; Liebert, James; Dahn, Conard C.; Harris, Hugh C.; Guetter, Harry H.; Stone, Ronald C.; Canzian, Blaise; Luginbuhl, Christian B.; Levine, Stephen E.; Monet, Alice K. B.; Monet, David G.
Affiliation:
AA(Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218 ), AB(Department of Physics and Astronomy, University of Pennsylvania, 209 South 33d Street, Philadelphia, PA 19104 ), AC(10 Hazler Orchard, Church Stretton, Shropshire SY6 7AL, UK ), AD(Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721), AE(US Naval Observatory, Flagstaff Station, P.O. Box 1149, Flagstaff, AZ 86002), AF(US Naval Observatory, Flagstaff Station, P.O. Box 1149, Flagstaff, AZ 86002), AG(US Naval Observatory, Flagstaff Station, P.O. Box 1149, Flagstaff, AZ 86002), AH(US Naval Observatory, Flagstaff Station, P.O. Box 1149, Flagstaff, AZ 86002)
Publication:
The Astronomical Journal, Volume 125, Issue 1, pp. 354-358. (AJ Homepage)
Publication Date:
01/2003
Origin:
UCP
Astronomy Keywords:
Galaxy: Stellar Content, Stars: Low-Mass, Brown Dwarfs, Stars: Luminosity Function, Mass Function
DOI:
10.1086/344946
Bibliographic Code:
2003AJ....125..354R

Abstract

We present observations of 2MASSI J1835379+325954, a previously unrecognized late-type M dwarf within 6 pc of the Sun. Identified based analysis of the Two Micron All Sky Survey optical spectroscopy and photometry indicate a spectral type of M8.5. The star has a proper motion of 0.759" yr-1 and is clearly visible on both POSS I and POSS II photographic plate material, but it may have escaped detection in previous surveys through its proximity to the Galactic plane. We discuss potential implications for the completeness of the local stellar census.

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Part 1     Part  2     Part  3     Part  4     Part  5     Part  6     Part  7     Part  8     Part  9     Part 10    

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