GeminiFocus 2013 Year in Review | Page 49

serving time to two individuals who will be selected based on the usefulness of their posts. New: Large and Long Programs at Gemini Gemini offered a new proposal mode, for Large and Long Programs (LPs), with first observations in Semester 2014B. The participating partners — United States, Canada, Australia, and Argentina — contributed up to 20 percent of their time to a common pool for these programs. As a guideline, LPs either require significantly more time than a partner typically approves for a single program, or are extend over two to six semesters, or both. Large programs are expected to promote collaborations across the partnership’s communities, have significant scientific impact, and, normally, provide a homogeneous data set potentially for more general use. PIs must be based in an institution of one of the participating partner countries, though there is no restriction on Co-investigator affiliation. With the LPs, Gemini will also introduce a new observing mode,