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The Mean Magnetic Field Strength of CI Tau
Kimberly R. Sokal, Christopher M. Johns-Krull, Gregory N. Mace +4
We present a blind comparison of two methods to measure the mean surface magnetic field strength of the classical T Tauri star CI Tau based on Zeeman broadening of sensitive spectr…
Chemical Abundances Of Open Clusters From High-Resolution Infrared Spectra. II. NGC 752
G. Böcek Topcu, M. Afsar, C. Sneden +9
We present a detailed near-infrared chemical abundance analysis of 10 red giant members of the Galactic open cluster NGC 752. High-resolution (R45000) near-infrared spectra…
Compact Disks in a High Resolution ALMA Survey of Dust Structures in the Taurus Molecular Cloud
Feng Long, Gregory J. Herczeg, Daniel Harsono +24
We present a high-resolution (, au, mean sensitivity of Jy~beam at 225 GHz) snapshot survey of 32 protoplanetary disks around young stars with spe…
Radial Velocities of Low-mass Candidate TWA Members
Benjamin Kidder, Gregory Mace, Kimberly Sokal +2
Nearby young moving groups provide unique samples of similar age stars for testing the evolution of physical properties. Incomplete and/or incorrect group membership classification…
CO Detected in CI Tau b: Hot Start Implied by Planet Mass and M
Laura Flagg, Christopher M. Johns-Krull, Larissa Nofi +5
We acquired high resolution IR spectra of CI Tau, the host star of one of the few young planet candidates amenable to direct spectroscopic detection. We confirm the planet's existe…
Effective Temperatures of Low-Mass Stars from High-Resolution H-band Spectroscopy
Ricardo López-Valdivia, Gregory N. Mace, Kimberly R. Sokal +9
High-resolution, near-infrared spectra will be the primary tool for finding and characterizing Earth-like planets around low-mass stars. Yet, the properties of exoplanets can not b…
Chemical Abundances Of Open Clusters From High-Resolution Infrared Spectra. I. NGC 6940
G. Böcek Topcu, M. Afsar, C. Sneden +8
We present near-infrared spectroscopic analysis of 12 red giant members of the Galactic open cluster NGC 6940. High-resolution (R45000) and high signal-to-noise ratio (S/N…