The Carnegie Planet Finder Spectrograph (PFS)

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The Carnegie Planet Finder Spectrograph (PFS)

Post by Galzi on 7th September 2012, 1:03 pm

The Carnegie Planet Finder Spectrograph (PFS): a high precision optical spectrograph operating with the the 6.5 meter Magellan II Telescope at Las Campanas Observatory in Chile

http://users.obs.carnegiescience.edu/crane/pfs/

Operations started in 2010. The performances put it on the league of high precision RV instruments altogether with Harps, Harps-N and Hires:

http://users.obs.carnegiescience.edu/crane/pfs/docs/pfs-spie2010.pdf

The PFS velocity precision, both with and without use of TDI, satisfies the original goals set for the project.Moreover, if TDI is abandoned, as it will be if further testing confirms the current trend, then the PFS velocity precision appears to be well under 1 m s−1. This is a thrilling result by itself, but especially when one considers that there is still work remaining that could improve the final velocity precision.

Galzi
Planetary Embryo
Planetary Embryo

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