GeminiFocus 2014 Year in Review | Page 46

Contributions by Gemini staff On the Horizon Figure 1. Comparison of a onehour exposure on the star Feige 66 observed with GRACES (black), Keck’s High Resolution Echelle Spectrometer (HIRES; red), and ESO’s Ultraviolet and Visual Echelle Spectrograph (UVES; blue). All the spectra are binned into their resolution element for fair comparisons. Figure credits: AndréNicolas Chené, Scott Dahm (Keck), and Isabelle Percheron (ESO). 44 The following compilation includes “On the Horizon” updates from all 2014 issues of GeminiFocus. Stories are presented here in reverse chronological order, with the most recent issue first. (Some of the stories were updated in a subsequent issues; this is indicated at the end of each story.) January 2015 GRACES: G V֖