1 Director ’ s Message
3 Gemini South Explores the Growth of Massive Galaxy Clusters
7 A Gemini Spectrum of a World Colder than a Night on Maunakea
11 A Case of Warped Space : Confirming Strong Gravitational Lenses Found in the Dark Energy Survey
16 Dusting the Universe with Supernovae
20 Science Highlights
31 News for Users
45 On the Horizon
55 A Transition Comes to an End
59 Gemini Harnesses the Sun from Both Hemispheres
61 Gemini Connections
64 A New Look for Gemini ’ s Legacy Images
66 Observatory Careers : New Resources for Students , Teachers , and Parents
68 Journey Through the Universe : Twelve Years , and Counting !
71 Viaje al Universo 2016 : Empowering Students with Science
1 Director ’ s Message
Markus Kissler-Patig
3 Gemini South Explores the Growth of Massive Galaxy Clusters
Sarah Sweet , Rodrigo Carrasco , and Fernanda Urrutia
7 A Gemini Spectrum of a World Colder than a Night on Maunakea
Andy Skemer
11 A Case of Warped Space : Confirming Strong Gravitational Lenses Found in the Dark Energy Survey
Brian Nord and Elizabeth Buckley-Geer
16 Dusting the Universe with Supernovae
Jennifer Andrews
20 Science Highlights
Gemini staff contributions
31 News for Users
Gemini staff contributions
45 On the Horizon
Gemini staff contributions
55 A Transition Comes to an End
Inger Jørgensen
59 Gemini Harnesses the Sun from Both Hemispheres
Alexis Ann Acohido
61 Gemini Connections
Peter Michaud
64 A New Look for Gemini ’ s Legacy Images
66 Observatory Careers : New Resources for Students , Teachers , and Parents
68 Journey Through the Universe : Twelve Years , and Counting !
Alexis-Ann Acohido
71 Viaje al Universo 2016 : Empowering Students with Science
Maunel Paredes
ON THE COVER :
Color composite image of the galaxy cluster SPT-CL J0546-5345 , comprised of Gemini GeMS / GSAOI and HST data . White inset at right bottom shows
Gemini K s image of the region . The article on this work begins on page 3 . Also shown are the covers from April , July , and October issues of GeminiFocus .
GeminiFocus January 2017 / 2016 Year in Review
GeminiFocus is a quarterly publication of the Gemini Observatory
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Managing Editor : Peter Michaud Associate Editor : Stephen James O ’ Meara Designer : Eve Furchgott / Blue Heron Multimedia
Any opinions , findings , and conclusions or recommendations expressed in this material 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 2017 | 2016 Year in Review