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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20110414T000000
DTEND;TZID=Atlantic/Canary:20110414T010000
UID:iactalks-257
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/257
CREATED:2011-04-14T00:00:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:Measuring Dark Energy with Massive Redshift Surveys
DESCRIPTION:Measuring Dark Energy with Massive Redshift Surveys\nProf. Davi
 d Schlegel\n\nThe Baryon Oscillation Spectroscopic Survey (BOSS) is a Stag
 e III dark  energy experiment on the Sloan Telescope. For the five years f
 rom  2009-2014, we are mapping 1.5 million galaxies at z<0.7. A  simult
 aneous survey of 160,000 QSOs is mapping the hydrogen gas in  absorption a
 t redshifts 2 < z < 3. BOSS will provide the  definitive measurement
  of the low redshift (z<0.7) BAO distance  scale, and it will pioneer a
  powerful new method of measuring BAO at  high redshift. BigBOSS is a prop
 osed Stage IV dark energy experiment  that will extend this map to 20 mill
 ion galaxies over 14,000 deg2 to z=1.7. I will describe this survey and it
 s technical status.
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