320 citations · 1k across the 12 of their papers we have counts for
9 papers · 1 filter
Taking the Measure of the Universe: Precision Astrometry with SIM PlanetQuest
Stephen C. Unwin, Michael Shao, Angelle M. Tanner +33
Precision astrometry at microarcsecond accuracy has application to a wide range of astrophysical problems. This paper is a study of the science questions that can be addressed usin…
Discovery of Two T Dwarf Companions with the Spitzer Space Telescope
K. L. Luhman, B. M. Patten, M. Marengo +12
We report the discovery of T dwarf companions to the nearby stars HN Peg (G0V, 18.4 pc, ~0.3 Gyr) and HD 3651 (K0V, 11.1 pc, ~7 Gyr). During an ongoing survey of 5'x5' fields surro…
Calibrating the Solar Dynamo: Magnetic Activity Cycles of Southern Sun-like Stars
T. S. Metcalfe, T. J. Henry, M. Knolker +1
The solar magnetic activity cycle is responsible for periodic episodes of severe space weather, which can perturb satellite orbits, interfere with communications systems, and bring…
First Results from the CHARA Array. IV. The Interferometric Radii of Low-Mass Stars
D. H. Berger, D. R. Gies, H. A. McAlister +8
We have measured the angular diameters of six M dwarfs with the CHARA Array, a long-baseline optical interferometer located at Mount Wilson Observatory. Spectral types range from M…
Three active M dwarfs within 8 pc: L 449-1, L 43-72, & LP 949-15
R. -D. Scholz, G. Lo Curto, R. A. Méndez +4
Three nearby star candidates were selected as bright 2MASS point sources without associated optical sources, i.e. with potentially large proper motions, subsequently confirmed by m…
The Solar Neighborhood IX: Hubble Space Telescope Detections of Companions to Five M and L Dwarfs within 10 pc of the Sun
D. A. Golimowski, T. J. Henry, J. E. Krist +10
We report the detections of low-mass companions to five M and L dwarfs within 10 pc of the Sun using the Hubble Space Telescope (HST) Near-Infrared Camera and Multi-Object Spectrom…