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DTSTART;TZID=UTC:20210506T160000
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CREATED:20210305T040120Z
LAST-MODIFIED:20210504T052739Z
UID:1624-1620316800-1620320400@rpm.physics.lbl.gov
SUMMARY:Xiaosheng Huang (USF) "Strong Gravitational Lenses Discovered in the DESI Legacy Imaging Surveys"
DESCRIPTION:ABSTRACT:We have discovered over 1500 new strong lensing candidates in the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys using residual neural networks.  The photometric redshifts of the candidate lenses are broadly distributed between 0.1 and 1.  Follow-up observations are underway.  Our Hubble Space Telescope SNAP program has confirmed all 47 of the candidates observed so far and our DESI Secondary Targets program for Year 1 will likely observe ∼400 candidate systems.  This sample will enable unprecedented tests of the cold dark matter model\, e.g.\, by measuring the redshift evolution of the dark matter concentration and density profile slope.  Furthermore\, based on DESI spectra\, an optimal set of systems can be selected for a targeted search for multiply-lensed supernovae\, which can be used to determine the Hubble constant.  Both objectives are highly complementary to the science goals of the DESI experiment. \n\n\n\nhttp://physics.lbl.gov/rpm/index.php/events/ \nIf you are looking to confirm if there is an event\, due to room reservation\, please go to RPM website for a list of all scheduled talks.\n──────────\nTroy Cortez is inviting you to a scheduled Zoom meeting. \nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/91782268585 \nMeeting ID: 917 8226 8585\nOne tap mobile\n+16699006833\,\,91782268585# US (San Jose)\n+13462487799\,\,91782268585# US (Houston) \nDial by your location\n+1 669 900 6833 US (San Jose)\n+1 346 248 7799 US (Houston)\n+1 253 215 8782 US (Tacoma)\n+1 646 558 8656 US (New York)\n+1 301 715 8592 US (Germantown)\n+1 312 626 6799 US (Chicago)\nMeeting ID: 917 8226 8585\nFind your local number: https://lbnl.zoom.us/u/abeLb1T4q1 \nJoin by SIP\n91782268585@zoomcrc.com \nJoin by H.323\n162.255.37.11 (US West)\n162.255.36.11 (US East)\n115.114.131.7 (India Mumbai)\n115.114.115.7 (India Hyderabad)\n213.19.144.110 (EMEA)\n103.122.166.55 (Australia)\n64.211.144.160 (Brazil)\n69.174.57.160 (Canada)\n207.226.132.110 (Japan)\nMeeting ID: 917 8226 8585 \n──────────
URL:https://rpm.physics.lbl.gov/event/xiaosheng-huang-usf-tba/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
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