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The Solar Neighborhood XLIV: RECONS Discoveries within 10 Parsecs
Todd J. Henry, Wei-Chun Jao, Jennifer G. Winters +7
We describe the 44 systems discovered to be within 10 parsecs of the Sun by the RECONS team, primarily via the long-term astrometry program at CTIO that began in 1999. The systems…
The Solar Neighborhood XLII. Parallax Results from the CTIOPI 0.9-m Program --- Identifying New Nearby Subdwarfs Using Tangential Velocities and Locations on the H-R Diagram
Wei-Chun Jao, Todd Henry, Jennifer Winters +4
Parallaxes, proper motions, and optical photometry are presented for 51 systems made up 37 cool subdwarf and 14 additional high proper motion systems. Thirty-seven systems have par…
The Solar Neighborhood. XXXIX. Parallax Results from the CTIOPI and NOFS Programs: 50 New Members of the 25 Parsec White Dwarf Sample
John P. Subasavage, Wei-Chun Jao, Todd J. Henry +9
We present 114 trigonometric parallaxes for 107 nearby white dwarf (WD) systems from both the Cerro Tololo Inter-American Observatory Parallax Investigation (CTIOPI) and the U. S.…
The Solar Neighborhood XXXVIII. Results from the CTIO/SMARTS 0.9m: Trigonometric Parallaxes for 151 Nearby M Dwarf Systems
Jennifer G. Winters, R. Andrew Sevrinsky, Wei-Chun Jao +5
We present 160 new trigonometric parallaxes for 151 M dwarf systems from the REsearch Consortium On Nearby Stars (RECONS) group's long-term astrometry/photometry program at the CTI…
The Solar Neighborhood XXXV: Distances to 1404 M Dwarf Systems Within 25 pc in the Southern Sky
Jennifer G. Winters, Todd J. Henry, John C. Lurie +11
We present trigonometric, photometric, and photographic distances to 1748 southern (0) M dwarf systems with 0\farcs18 yr, of which 1404 are believed to…
The Solar Neighborhood. XXXIV. A Search for Planets Orbiting Nearby M Dwarfs using Astrometry
John C. Lurie, Todd J. Henry, Wei-Chun Jao +6
Astrometric measurements are presented for seven nearby stars with previously detected planets: six M dwarfs (GJ 317, GJ 667C, GJ 581, GJ 849, GJ 876, and GJ 1214) and one K dwarf…
The Solar Neighborhood. XXXIII. Parallax Results from the CTIOPI 0.9m Program: Trigonometric Parallaxes of Nearby Low-Mass Active and Young Systems
Adric R. Riedel, Charlie T. Finch, Todd J. Henry +14
We present basic observational data and association membership analysis for 45 young and active low-mass stellar systems from the ongoing RECONS photometry and astrometry program a…
The Solar Neighborhood XXXI: Discovery of an Unusual Red+White Dwarf Binary at ~25 Parsecs via Astrometry and UV Imaging
Wei-Chun Jao, Todd J. Henry, John P. Subasavage +4
We report the discovery of a nearby M5.0V dwarf at 24.6 pc, SCR 1848-6855, that is orbited by an unusual companion causing an astrometric perturbation of more than 200 milli-arcsec…
The Solar Neighborhood XXX: Fomalhaut C
Eric E. Mamajek, Jennifer L. Bartlett, Andreas Seifahrt +11
LP 876-10 is a nearby active M4 dwarf in Aquarius at a distance of 7.6 pc. The star is a new addition to the 10-pc census, with a parallax measured via the Research Consortium on N…
The Solar Neighborhood XXIV. Parallax Results from the CTIOPI 0.9-m Program: Stars with 1\farcs0 yr (MOTION Sample) and Subdwarfs
Wei-Chun Jao, Todd J. Henry, John P. Subasavage +3
We present 41 trigonometric parallaxes of 37 stellar systems, most of which have proper motions greater than 1\farcs0 yr. These are the first trigonometric parallaxes for 24…
The Solar Neighborhood. XXII. Parallax Results from the CTIOPI 0.9m Program: Trigonometric Parallaxes of 64 Nearby Systems with 0\farcs5 1\farcs0 yr (SLOWMO sample)
Adric R. Riedel, John P. Subasavage, Charlie T. Finch +7
We present trigonometric parallaxes of 64 stellar systems with proper motions between 0\farcs5 yr and 1\farcs0 yr from the ongoing RECONS (Research Consortium On Near…