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SUMMARY:More (out of) KiDS galaxies and quasars: going beyond cosmic shea
 r - Maciej Bilicki (Warsaw\, CFT)
DTSTART:20260316T130000Z
DTEND:20260316T140000Z
UID:TALK242635@talks.cam.ac.uk
CONTACT:Gonzalo Villa
DESCRIPTION:Kilo-Degree Survey (KiDS)\, thanks to its depth\, excellent i
 maging and multi-wavelength coverage (jointly with VIKING)\, allows us to 
 go beyond cosmic shear analyses. I will present how we extract and employ 
 both low- and high-redshift galaxies and quasars from KiDS\, taking advant
 age of its considerable overlap with various spectroscopic calibration dat
 asets\, such as GAMA and now also DESI. In selecting these objects and est
 imating their photometric redshifts\, we use in particular machine-learnin
 g approaches including deep learning\, and I will discuss our recent resul
 ts in this matter. I will then overview some of the recent applications of
  these KiDS photometric galaxies and quasars\, based on probes such as gal
 axy-galaxy lensing and clustering. Time permitting\, I will also sketch n
 ear-future prospects of extending this kind of studies beyond KiDS with ne
 w surveys such as 4MOST and LSST.
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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