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SUMMARY:Cosmology with Type Ia supernovae: A view from ZTF  - Suhail Dhawa
 n
DTSTART:20210908T123000Z
DTEND:20210908T130000Z
UID:TALK161710@talks.cam.ac.uk
CONTACT:Francisco Paz-C
DESCRIPTION:The discrepancy between the local measurement of the Hubble co
 nstant and the early universe inference is a potential sign of new cosmolo
 gical physics. However\, it can also be due to unknown / unaccounted for s
 ources of systematics. I will talk about recent work on the Type Ia supern
 ova rung of the distance ladder\, focussing on a novel sample from the fir
 st year of operations from the Zwicky Transient Facility (ZTF). \n\nStrong
 ly lensed Type Ia supernovae are a completely independent probe of the Hub
 ble constant\, not requiring any calibration from the local distance ladde
 r. I will talk about results on time-delays\, lensing magnification and ex
 tinction properties from the first resolved strongly lensedType Ia superno
 vae and present the ongoing search from ZTF. 
LOCATION: Webinar  (via Zoom online)
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