131 citations · 180 across the 3 of their papers we have counts for
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Identifying and Characterizing New Nearby White Dwarfs
John P. Subasavage, Todd J. Henry, Pierre Bergeron +3
How confident are we that all of the nearest white dwarfs (WDs) have been identified? In an effort to answer this question, we have begun an initiative to identify and characterize…
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…