33 citations · 39 across the 3 of their papers we have counts for
3 papers · 1 filter
Oscillations in Procyon A: First results from a multi-site campaign
S. Hekker, T. Arentoft, H. Kjeldsen +45
Procyon A is a bright F5IV star in a binary system. Although the distance, mass and angular diameter of this star are all known with high precision, the exact evolutionary state is…
Radial velocities of giant stars: an investigation of line profile variations
S. Hekker, I. A. G. Snellen, C. Aerts +3
Since 1999, a radial velocity survey of 179 red giant stars is ongoing at Lick Observatory with a one month cadence. At present ~20-100 measurements have been collected per star wi…
NACO-SDI direct imaging search for the exoplanet Eps Eri b
Markus Janson, Wolfgang Brandner, Thomas Henning +13
The active K2V star Eri hosts the most nearby known extrasolar planet. With an angular separation of about 1" on average, and an age of a few to several hundred Myrs, Eri b…