Galaxy groups in the COSMOS Alexis Finoguenov Max-Planck Institut fuer extraterrestrische Physik L. Guzzo, G. Hasinger, N. Scoville, A. Leauthaud, J.P.

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Presentation transcript:

Galaxy groups in the COSMOS Alexis Finoguenov Max-Planck Institut fuer extraterrestrische Physik L. Guzzo, G. Hasinger, N. Scoville, A. Leauthaud, J.P. Kneib, H. Boehringer, & COSMOS collaboration

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 2 XMMCOSMOSXMMCOSMOS

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 3 COSMOSCOSMOS 420 photo-z structures: z=0.1 z=0.3 z=0.5 z=0.7 z=1 PHOTOZPHOTOZ

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 4

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 5 X-ray cluster catalog

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 6 Redshift distribution

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 7 Log(N)-log(S)

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 8 Luminosity Function z<0.6 z>0.6 0<z<1.3 BCS (Ebeling et al. 1998)

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 9 COSMOS: X-ray selected clusters with weak lensing detection

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 10 Stacked lensing signal

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 11 M(lensing)-T relation 11 most luminous clusters at z~0.2 Bardeau et al. mergers Merger clusters scatter more from the M-T relation Luminosity selection is contaminated by the low-mass clusters Stacked analysis Vikhlinin et al AF et al. 2001

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 12

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 13

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 14

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 15

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 16

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 17

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 18

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 19

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 20

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 21

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 22

Alexis FinoguenovX-ray Scaling relation with lensing mass estimates 23 Conclusions COSMOS survey explores the new regime of cluster fluxes logN-logS is found to be similar yet somewhat higher then the predictions form the previous surveys No evolution of the X-ray luminosity function is detected at probed luminosities Lensing mass estimates extend to down to group regime

Roberto Abraham Masaru Ajiki Justin Alpert Herve Aussel Josh Barnes Marcella Brusa Daniela Calzetti Peter Capak John Carlstrom Chris Carilli Andrea Cimatti Andrea Comastri Marcella Corollo Emannuel Daddi Richard Ellis Martin Elvis Amr El Zant Shawn Ewald Mike Fall Alexis Finoguenov Alberto Franceschini Mauro Giavalisco Richard Griffiths Gigi Guzzo Gunther Hasinger Chris Impey Jean-Paul Kneib Karel Nel Jin Koda Anton Koekemoer Alexie Leauthaud Olivier LeFevre Ingo Lehmann Simon Lilly Thorsten Lisker Charles Liu Richard Massey Henry McCracken Yannick Mellier Satoshi Miyazaki Bahram Mobasher Takashi Murayama Colin Norman Alexandre Refregier Alvio Renzini Jason Rhodes Mike Rich Dave Sanders Shunji Sasaki Dave Schminovich Eva Schinnerer Nick Scoville Marco Scodeggio Kartik Sheth Patrick Shopbell James Taylor Dave Thompson Neil Tyson Meg Urry Yoshi Taniguchi Ludovic Van Waerbeke Paolo Vettolani Simon White Lin Yan COSMOS -- team & collaborators