Exdended sources in ECDF-S

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Presentation transcript:

Exdended sources in ECDF-S Alexis Finoguenov Helsingin Yliopisto UMBC

CDFS: extended sources Fluctuations down to 5x10-17 ergs/s/cm2 Alexis Finoguenov CDFS: extended sources

CDFS: extended sources CDFS vs COSMOS Alexis Finoguenov CDFS: extended sources

CDFS: extended sources Kirk structure at z=1.6 Alexis Finoguenov CDFS: extended sources

CDFS: extended sources Random catalog Alexis Finoguenov CDFS: extended sources

Reproducing the observed emission Alexis Finoguenov CDFS: extended sources

Simulated point sources Alexis Finoguenov CDFS: extended sources

CDFS: extended sources ACF of galaxy groups b_obs/b_model=1.1±0.1 This constraints the deviations from the assumed scaling relation to be < 30% in total mass. Alexis Finoguenov CDFS: extended sources

CDFS: extended sources GEMS Alexis Finoguenov CDFS: extended sources

Lx-Mass from weak lensing lgM=0.6lgLx+C Alexis Finoguenov Ami Choi CDFS: extended sources

CDFS: extended sources Groups vs LCDM Finoguenov et al. 2010 Alexis Finoguenov CDFS: extended sources

dn/dz – the void is 0.3<z<0.6 Alexis Finoguenov CDFS: extended sources

CDFS: extended sources Conclusions ECDF-S delivered a very unique catalog of galaxy groups, probing interestingly low halo masses. We have compared the mass calibration with the weak lensing signal and the clustering, finding a good agreement Planck13 LCDM overpredicts the number of groups that should be visible in ECDF-S. Ths can be alleviated by ascribing 30% higher mass to each group. Finally, the known lack of structure in CDFS is contained to 0.2<z<0.6 range. Alexis Finoguenov CDFS: extended sources

CDFS: extended sources Papers Ziparo et al 2013ab : SF gradients in groups Tanaka et al. 2013: z=1.6 group Popesso et al: contribution of groups to the global SFR Oh et al. 2014 AGN population in groups Finoguenov et al. Catalog Erfanianfar: Galaxy properties in deep fields Mountrichas: clustering of AGNs outside groups Athena+ white papers Cappelluti: residuals Ursino: WHIM Alexis Finoguenov CDFS: extended sources