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New M, L, and T Dwarf Companions to Nearby Stars from the Wide-field Infrared Survey Explorer
Kevin L. Luhman, Nicholas P. Loutrel, Nicholas S. McCurdy +8
We present 11 candidate late-type companions to nearby stars identified with data from the Wide-field Infrared Survey Explorer (WISE) and the Two Micron All-Sky Survey (2MASS). Eig…
The Metallicity of the CM Draconis System
Ryan C. Terrien, Scott W. Fleming, Suvrath Mahadevan +4
The CM Draconis system comprises two eclipsing mid-M dwarfs of nearly equal mass in a 1.27-day orbit. This well-studied eclipsing binary has often been used for benchmark tests of…
A near infrared frequency comb for Y+J band astronomical spectroscopy
Steve Osterman, Gabriel G. Ycas, Scott A. Diddams +8
Radial velocity (RV) surveys supported by high precision wavelength references (notably ThAr lamps and I2 cells) have successfully identified hundreds of exoplanets; however, as th…
The Habitable-Zone Planet Finder: A Stabilized Fiber-Fed NIR Spectrograph for the Hobby-Eberly Telescope
Suvrath Mahadevan, Lawrence Ramsey, Chad Bender +12
We present the scientific motivation and conceptual design for the recently funded Habitable-zone Planet Finder (HPF), a stabilized fiber-fed near-infrared (NIR) spectrograph for t…
The SDSS-HET Survey of Kepler Eclipsing Binaries: Spectroscopic Dynamical Masses of the Kepler-16 Circumbinary Planet Hosts
Chad F. Bender, Suvrath Mahadevan, Rohit Deshpande +7
We have used high-resolution spectroscopy to observe the Kepler-16 eclipsing binary as a double-lined system, and measure precise radial velocities for both stellar components. The…
An H-band Spectroscopic Metallicity Calibration for M Dwarfs
Ryan C. Terrien, Suvrath Mahadevan, Chad F. Bender +3
We present an empirical near-infrared (NIR) spectroscopic method for estimating M dwarf metallicities, based on features in the H-band, as well as an implementation of a similar pu…