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DTSTART:20220101T000000
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DTSTART;TZID=UTC:20221216T120000
DTEND;TZID=UTC:20221216T130000
DTSTAMP:20260421T123943
CREATED:20221207T045444Z
LAST-MODIFIED:20221211T003911Z
UID:2094-1671192000-1671195600@rpm.physics.lbl.gov
SUMMARY:SPEAKER: Kevin Fanning – Ohio State – TITLE: Excitement and Challenges with Multiplexed Spectroscopic Galaxy Surveys
DESCRIPTION:This is an in-person Event \nLocation: Sessler Conference Room – 50A-5132 \nTITLE: Excitement and Challenges with Multiplexed Spectroscopic Galaxy Surveys \nABSTRACT: \nThe ongoing Dark Energy Spectroscopic Instrument (DESI) Survey is collecting galaxy redshifts at an astounding rate. Analysis from this new data promises exciting new constraints on big cosmological problems such as dark energy models and primordial non-gaussianity along with a measurement of the sum of the neutrino masses. Key technologies including the robotic focal plane system help enable nearly 5\,000 simultaneous spectra with on average 2 minutes between exposures. In this talk I will describe some of the challenges encountered optimizing the DESI instrument for science results. Furthermore\, I will discuss some of the impact the focal plane and fiber assignment algorithms have on galaxy clustering data and some novel mitigations I am exploring to resolve this problem. Finally\, I will conclude with a look to the future and how we can engage in current efforts to build on the success of DESI. \nZOOM Information – \n\nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/91782268585\nMeeting ID: 917 8226 8585
URL:https://rpm.physics.lbl.gov/event/speaker-kevin-fanning-ohio-state-title-excitement-and-challenges-with-multiplexed-spectroscopic-galaxy-surveys/
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