A Very High Proper Motion Star and the First L dwarf in the Kepler Field

Details A Very High Proper Motion Star and the First L dwarf in the Kepler Field A Very High Proper Motion Star and the First L dwarf in the Kepler Field

2011-06-22

arxiv.org/abs/1106.4526v1

2011, ApJ, 736, L34

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

11 pages, accepted by Astrophysical Journal Letters

Scientific paper

We report two nearby high proper motion dwarfs of special interest identified using the Preliminary Data Release of the Wide-field Infrared Survey Explorer (WISE) and the Two Micron All-Sky Survey (2MASS). WISEP J191239.91-361516.4 has a motion of 2.1 arcseconds per year. Photometry identifies it as a mid-M dwarf. WISEP J190648.47+401106.8 is a spectroscopically confirmed L1 dwarf in the Kepler Mission field with a motion of 0.48 arcseconds per year. The estimated distance is 17 parsecs. Both lie at relatively low galactic latitudes and demonstrate the possibility of discovering proper motion stars independently of the historic photographic sky surveys.

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