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4 papers · 1 filter
Stellar Diameters and Temperatures II. Main Sequence K & M Stars
Tabetha S. Boyajian, Kaspar von Braun, Gerard van Belle +21
We present interferometric diameter measurements of 21 K- and M- dwarfs made with the CHARA Array. This sample is enhanced by literature radii measurements to form a data set of 33…
A new interferometric study of four exoplanet host stars : θ Cygni, 14 Andromedae, {\upsilon} Andromedae and 42 Draconis
R. Ligi, D. Mourard, A. M. Lagrange +13
Studying exoplanet host stars is of the utmost importance to establish the link between the presence of exoplanets around various types of stars and to understand the respective ev…
Orbit and Stellar Properties of the Young Triple V807 Tau
G. H. Schaefer, L. Prato, M. Simon +1
We present new orbital measurements of the pre-main sequence triple system, V807 Tau, using adaptive optics imaging at the Keck Observatory. We computed an orbit for the close pair…
The GJ 436 System: Directly Determined Astrophysical Parameters of an M-Dwarf and Implications for the Transiting Hot Neptune
Kaspar von Braun, Tabetha S. Boyajian, Stephen R. Kane +15
The late-type dwarf GJ 436 is known to host a transiting Neptune-mass planet in a 2.6-day orbit. We present results of our interferometric measurements to directly determine the st…