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Spin-orbit alignment and magnetic activity in the young planetary system AU Mic
E. Martioli, G. Hebrard, C. Moutou +21
We present high resolution near-infrared spectropolarimetric observations using the SPIRou instrument at CFHT during a transit of the recently detected young planet AU Mic b, with…
Herschel Observations of Disks around Late-type Stars
Angelle Tanner, Peter Plavchan, Geoff Bryden +9
A set of twenty late-type (K5-M5) stars were observed with the Herschel Space Observatory at 100 and 160 microns with the goal of searching for far-infrared excesses indicative of…
Precise Near-Infrared Radial Velocities
Peter Plavchan, Peter Gao, Jonathan Gagne +31
We present the results of two 2.3 micron near-infrared radial velocity surveys to detect exoplanets around 36 nearby and young M dwarfs. We use the CSHELL spectrograph (R ~46,000)…
A High-Precision NIR Survey for RV Variable Low-Mass Stars
Jonathan Gagné, Peter Plavchan, Peter Gao +26
We present the results of a precise near-infrared (NIR) radial velocity (RV) survey of 32 low-mass stars with spectral types K2-M4 using CSHELL at the NASA IRTF in the -band wit…
Stellar Parameters for HD 69830, a Nearby Star with Three Neptune Mass Planets and an Asteroid Belt
Angelle Tanner, Tabetha S. Boyajian, Kaspar von Braun +9
We used the CHARA Array to directly measure the angular diameter of HD 69830, home to three Neptune mass planets and an asteroid belt. Our measurement of 0.674+/-0.014 milli-arcsec…
Keck NIRSPEC Radial Velocity Observations of Late-M dwarfs
Angelle Tanner, Russel White, John Bailey +5
We present the results of an infrared spectroscopic survey of 23 late-M dwarfs with the NIRSPEC echelle spectrometer on the Keck II telescope. Using telluric lines for wavelength c…