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X-ORIGINAL-URL:https://inpa.lbl.gov
X-WR-CALDESC:Events for INPA
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DTSTART:20221106T090000
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DTSTART;TZID=America/Los_Angeles:20220902T120000
DTEND;TZID=America/Los_Angeles:20220902T130000
DTSTAMP:20260427T231824
CREATED:20220830T225656Z
LAST-MODIFIED:20220830T235531Z
UID:1202-1662120000-1662123600@inpa.lbl.gov
SUMMARY:Speaker: Zhelei Xu (MIT) - Precision Cosmology: from CMB and 21cm
DESCRIPTION:Date: Friday\, September 2\, 2022 \nTime: 12:00 pm – 1:00 pm \nLocation: Conference Room B50-5132 \nSpeaker: Zhelei Xu (MIT) \nTitle: Precision Cosmology: from CMB and 21cm \nThis is a HYBRID Meeting: Please see ZOOM Information Below \nABSTRACT: Over the past decades\, observations of the cosmic microwave background (CMB) have established the standard cosmological model. In the future\, 21cm signals from neutral hydrogen have great potential for cosmological and astrophysical studies. In this talk\, I will review the previous CMB observations and how it established the ΛCDM cosmology model. Then I will discuss the instrumentation and calibration of the Cosmology Large Angular Scale Surveyor (CLASS) and the Simons Observatory (SO). At the end\, I will discuss how we can use the 21cm observation as a powerful probe to study cosmology\, and introduce our novel mapping method for 21cm interferometric data. \nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/95016696011?pwd=Tk1XOW1Xd3RYRnlsc2tEYmRWZlVVZz09 \nMeeting ID: 950 1669 6011\nPasscode: 247722
URL:https://inpa.lbl.gov/event/speaker-zhelei-xu-mit-precision-cosmology-from-cmb-and-21cm/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
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DTSTART;TZID=America/Los_Angeles:20220916T120000
DTEND;TZID=America/Los_Angeles:20220916T130000
DTSTAMP:20260427T231824
CREATED:20220915T232507Z
LAST-MODIFIED:20220915T232657Z
UID:1224-1663329600-1663333200@inpa.lbl.gov
SUMMARY:SPEAKER: Yuuki Omori - University of Chicago
DESCRIPTION:Date:	        Friday\, September 16\, 2022\nTime: 		12:00 PM – 1:00 PM\nSpeaker: 	Yuuki Omori (University of Chicago) \nTitle:	“Constraining cosmology and astrophysics using the combination of CMB x LSS\, and understanding biases in cross-correlation measurements” \nAbstract:\nCross-correlation measurements between CMB and LSS observables is becoming an increasingly popular approach to constrain cosmology and astrophysics. Since CMB and LSS surveys have different experimental systematic effects\, cross-correlation measurements are known to be minimally impacted by these effects. However\, what is often disregarded are the astrophysical systematic effects\, which are present in both CMB and LSS data\, which contaminate cross-correlation measurements. In the first part of the talk\, I will present the recent results from the DESxSPT 6x2pt analysis and discuss how we mitigated such biases. In the second part of the talk\, I will present a new simulation suite that has both CMB and LSS observables that can be used to study these biases. \nHybrid Location: Conference Room 50-5132 \nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/95016696011?pwd=Tk1XOW1Xd3RYRnlsc2tEYmRWZlVVZz09 \nMeeting ID: 950 1669 6011 \nPasscode: 247722 \nTHE NEXT INPA SEMINAR WILL BE FRIDAY: September 23\, 2022\, at 12:00 Noon
URL:https://inpa.lbl.gov/event/speaker-yuuki-omori-university-of-chicago/
LOCATION:50A-5132 / https://lbnl.zoom.us/j/95016696011?pwd=Tk1XOW1Xd3RYRnlsc2tEYmRWZlVVZz09\, One Cyclotron Road\, 50A-5132\, Berkeley\, CA\, 94720\, United States
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