Category Archives: Exoplanet Science

More on stellar activity: an investigation of Gliese 667C

A few posts back, we explored how even with a highly precise planet-hunting instrument such as HPF, radial velocity noise from magnetic activity on our target stars may hinder our ability to detect exoplanet signals.  In that post, we used … Continue reading

Posted in Exoplanet Science, HPF Science, Stellar Science | 5 Comments

Gliese 581 and the Stellar Activity Problem

The primary science objective of HPF is to discover and confirm low-mass exoplanets in or near the habitable zones of nearby M dwarf stars.  The technical challenge of such an endeavor is significant; we must be able to measure sub … Continue reading

Posted in Exoplanet Science, HPF Science, Stellar Science | 16 Comments