3 papers
astro-ph.EP2010
The California Planet Survey I. Four New Giant Exoplanets
Andrew W. Howard, John Asher Johnson, Geoffrey W. Marcy +12
We present precise Doppler measurements of four stars obtained during the past decade at Keck Observatory by the California Planet Survey (CPS). These stars, namely, HD 34445, HD 1…
astro-ph2002
Detailed analysis of Balmer lines in cool dwarf stars
P. S. Barklem, H. C. Stempels, C. Allende Prieto +3
An analysis of H alpha and H beta spectra in a sample of 30 cool dwarf and subgiant stars is presented using MARCS model atmospheres based on the most recent calculations of the li…
astro-ph1998
Linear spectropolarimetry of Ap stars: a new degree of constraint on magnetic structure
G. A. Wade, J. -F. Donati, G. Mathys +1
We present preliminary results from a programme aimed at acquiring linear spectropolarimetry of magnetic A and B stars. Linear polarization in the spectral lines of these objects i…