Published January 1, 2011
| Version v1
Journal article
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Bisectors of the HARPS cross-correlation function The dependence on stellar atmospheric parameters
- 1. European So Observ, D-85748 Garching, Germany
- 2. Max Planck Inst Astrophys, D-85741 Garching, Germany
- 3. Ankara Univ, Dept Astron & Space Sci, Fac Sci, TR-06100 Tandogan, Turkey
Description
Context. Bisectors of the HARPS cross-correlation function (CCF) can discern between planetary radial-velocity (RV) signals and spurious RV signals from stellar magnetic activity variations. However, little is known about the effects of the stellar atmosphere on CCF bisectors or how these effects vary with spectral type and luminosity class.
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