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Cyclotron Modeling Phase-Resolved Infrared Spectroscopy of Polars III: AM Herculis and ST Leo Minoris
Ryan K. Campbell, Thomas E. Harrison, Stella Kafka
We present phase-resolved low resolution infrared spectra of AM Her and ST LMi, two low-field polars that we observed with SPEX on the IRTF. Optical/NIR lightcurves are also publis…
GALEX, Optical and IR Light Curves of MQ Dra: UV Excesses at Low Accretion Rates
Paula Szkody, Albert P. Linnell, Ryan K. Campbell +5
Ultraviolet light curves constructed from NUV and FUV detectors on GALEX reveal large amplitude variations during the orbital period of the Low Accretion Rate Polar MQ Dra (SDSSJ15…
Cyclotron modeling phase-resolved infrared spectroscopy of polars I: EF Eridani
R. K. Campbell, T. E. Harrison, A. D. Schwope +1
We present phase-resolved low resolution infrared spectra of the polar EF Eridani obtained over a period of 2 years with SPEX on the IRTF. The spectra, covering the wavelength rang…
The Mass of the Candidate Exoplanet Companion to HD 33636 from Hubble Space Telescope Astrometry and High-Precision Radial Velocities
Jacob L. Bean, Barbara E. McArthur, G. Fritz Benedict +4
We have determined a dynamical mass for the companion to HD 33636 which indicates it is a low-mass star instead of an exoplanet. Our result is based on an analysis of Hubble Space…
Spitzer Space Telescope observations of magnetic cataclysmic variables: possibilities for the presence of dust in polars
C. S. Brinkworth, D. W. Hoard, S. Wachter +6
We present Spitzer Space Telescope photometry of six short-period polars, EF Eri, V347 Pav, VV Pup, V834 Cen, GG Leo, and MR Ser. We have combined the Spitzer Infrared Array Camera…
Hubble Space Telescope Fine Guidance Sensor Parallaxes of Galactic Cepheid Variable Stars: Period-Luminosity Relations
G. Fritz Benedict, Barbara E. McArthur, Michael W. Feast +6
(abridged) We present new absolute trigonometric parallaxes and relative proper motions for nine Galactic Cepheid variable stars: l Car, zeta Gem, beta Dor, W Sgr, X Sgr, Y Sgr, FF…