1. 1 LSST dark energy science collaboration meeting Penn June 11-13, 2012 LSST dark energy science collaboration meeting Penn 11-13 June 2012 Launch of the DESC: closing charge Gregory Dubois-Felsmann SLAC National Accelerator Laboratory LSST dark energy science collaboration meeting June 11−13, 2012

2. 2 LSST dark energy science collaboration meeting Penn June 11-13, 2012 Near-term work for everyone − A good meeting Make sure we know you were here. Check this page: http://www.sas.upenn.edu/~masao/LSST@Penn/Participants.html http://www.sas.upenn.edu/~masao/LSST@Penn/Participants.html –Send Bhuv mail if you were inadvertently left off − We have a collaboration! − Who are its members? We will shortly ask each institution to confirm its list of DESC members and provide details on their level of involvement − How should it operate? Please communicate with us with comments on the initial governance document, by the end of next week (6/21) The nascent Executive Board will review them –We will involve the existing governance working group in the initial review

3. 3 LSST dark energy science collaboration meeting Penn June 11-13, 2012 Communication tools − How will we organize communication? Richard Dubois and gpdf will set up communication tools A wiki, with an initial structure reflecting the working groups Discussion forums paralleling that Expect these to be working early next week to support these startup efforts and our summer work, including the…

4. 4 LSST dark energy science collaboration meeting Penn June 11-13, 2012 Completing the initial organization − What are the collaboration’s tasks? We ask everyone to identify a working group to which they want to contribute, and to Communicate with your selected working group convener with a short (few sentences, to start with) description of your interests and specific tasks you may join if you know that… … by the end of next week (6/21). –Detailed proposals can come later (and may be linked to proposals you make to funding agencies) − How will the summer’s work proceed? We will convene a meeting of the leadership team, Executive Board, and all the working group conveners the following week (6/25-29) –We will put together an initial schedule Jeff Newman and Andy Connolly will organize the work going forward

5. 5 LSST dark energy science collaboration meeting Penn June 11-13, 2012 Roles in the Collaboration − Computing and Simulation coordinator: Andy Connolly PhoSim - John Peterson Cosmo Sims - Katrin Heitmann Computing infrastructure - Richard Dubois Software - Erik Gottschalk − Analysis coordinator: Jeff Newman WL - Mike Jarvis/Rachel Mandelbaum LSS - Eric Gawiser/Shirley Ho SN - Michael Wood-Vasey/Alex Kim Clusters - Iain Dell'antonio/Steve Allen Strong Lensing - Phil Marshall Combined Probes/Theory - Rachel Bean/Hu Zhan Photo-z calibration - ? Liaison with outside projects - Josh Frieman/Michael Strauss/Natalie Roe/Jason Rhodes

6. 6 LSST dark energy science collaboration meeting Penn June 11-13, 2012 White Paper − How will we get the White Paper done by mid-August? Eight weeks to go First week: comments on the White Paper outline –Use the communication forum we’ll establish We’ll work with the working group conveners to establish a schedule and writing assignments –A version-controlled repository will be established for the text, and –Forums will be set up for comment/discussion The white paper working group from February will be revived and assist with final editing (open to volunteers – N.B.: this can be a lot of work )

7. 7 LSST dark energy science collaboration meeting Penn June 11-13, 2012 Going beyond − Jeff and Andy will organize meetings of their working groups − The leadership team will meet frequently this summer − When a white paper draft has been produced, it will be circulated to the collaboration for comment − Opportunity to meet during the All Hands Meeting − Next full collaboration meeting to be planned…

8. 8 LSST dark energy science collaboration meeting Penn June 11-13, 2012 LSST dark energy science collaboration meeting Penn 11-13 June 2012 A lot of work to do… A lot to discover!