An Extreme Precision Radial Velocity Pipeline: First Radial Velocities from EXPRES

Ryan R. Petersburg, J. M. Joel Ong, Lily L. Zhao +13

The EXtreme PREcision Spectrograph (EXPRES) is an environmentally stabilized, fiber-fed, $R=137,500$, optical spectrograph. It was recently commissioned at the 4.3-m Lowell Discove…