GeminiFocus 2018 Year in Review | Page 2

1 Director’s Message Jennifer Lotz 4 A Hunt for WEIRD Planets Frédérique Baron, Étienne Artigau, and David Lafrenière 8 GeMS Delivers the Sharpest View of the Visible Light from Distant Galaxies Mark Lacy, Kristina Nyland, and Susan Ridgway 12 Understanding the Emission of OH Megamaser Galaxies Hekatelyne Carpes and Rogemar A. Riffel 17 Classifying Ultra-faint Satellite Systems in the Milky Way’s Halo Blair Conn and Helmut Jerjen 22 Science Highlights John Blakeslee 39 Korea Becomes a Full Participant in Gemini Gemini Press Release 41 On the Horizon Gemini Staff Contributions 56 News for Users Gemini Staff Contributions 72 Science and Evolution of Gemini Observatory 2018 Conference a Success! Joanna Thomas-Osip 75 AstroDay Hawai‘i 2018 Janice Harvey 78 Public Outreach Efforts Soar in Hawai‘i and Chile Janice Harvey and Manuel Paredes ON THE COVER: GeminiFocus January 2019 / 2018 Year in Review On-sky commissioning of the new Gemini North TOPTICA laser guide star system on October 1, 2018. GeminiFocus is a quarterly publication of the Gemini Observatory 670 N. A‘ohoku Place, Hilo, Hawai‘i 96720, USA Phone: (808) 974-2500 / Fax: (808) 974-2589 Online viewing address: http://www.gemini.edu/node/27 Credit: Gemini Observatory/NSF/AURA image by Jason Chu Editor: Peter Michaud / Assoc. Editor: Stephen James O’Meara Designer: Eve Furchgott/Blue Heron Multimedia Any opinions, findings, and conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation or the Gemini Partnership. ii GeminiFocus January 2019 / 2018 Year in Review