SZ review The microwave background radiation and the Sunyaev- Zel’dovich effect Mark Birkinshaw.
A multi-wavelength view of RX J1347-1145 The interest of ... · Overview of the talk Introduction...
Transcript of A multi-wavelength view of RX J1347-1145 The interest of ... · Overview of the talk Introduction...
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A multi-wavelength view of RX J1347-1145 &The interest of joint radio and mm cluster studies
Chiara Ferrari
in collaboration with:
H.T. Intema, E. Orrù, F. Govoni, M. Murgia, B. Mason, H. Bourdin, K.M. Asad, P. Mazzotta, M.W. Wise, T. Mroczkowski, J.H. Croston
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Overview of the talk
Introduction
i. Diffuse intra-cluster radio sources
ii. Sunyaev-Zel’dovich effect and galaxy cluster studies
Multi-wavelength analysis of RX J1347-1145
i. Comparison of radio, X-ray & mm data
ii. Conclusions
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Overview of the talk
Introduction
i. Diffuse intra-cluster radio sources
ii. Sunyaev-Zel’dovich effect and galaxy cluster studies
Multi-wavelength analysis of RX J1347-1145
i. Comparison of radio, X-ray & mm data
ii. Conclusions
![Page 4: A multi-wavelength view of RX J1347-1145 The interest of ... · Overview of the talk Introduction i. Diffuse intra-cluster radio sources ii. Sunyaev-Zel’dovich effect and galaxy](https://reader035.fdocuments.us/reader035/viewer/2022071100/5fd89f16112a8d302c6b7a0d/html5/thumbnails/4.jpg)
Diffuse radio sources in galaxy clusters& electron acceleration
Halos: ICM turbulence due to cluster merging
Mini-halos: Cool core turbulence and gas sloshing
Relics: shocks due to cluster merging
X-ray images + radio contours
Halo Mini-halo Relics
Feretti+ 01 Gitti+ 07 van Weeren+ 09
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CMB photons Inverse Compton effect
Thermal Sunyaev-Zel’dovich Effect
Carlstrom+ 02Bourdin+ 11
X-ray emission:thermal intracluster medium Thermal SZ effect
∆TSZE
TCMB= f(ν) y
y ∝�
neT dl
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SZE: importance for cluster studies
Courtesy: M. Douspis & Planck collaboration
Carlstrom+ 02
∆TSZE
TCMB= f(ν) y
y ∝�
neT dl
Cluster detection
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SZE: importance for cluster studies
Courtesy: M. Douspis & Planck collaboration
Carlstrom+ 02
∆TSZE
TCMB= f(ν) y
y ∝�
neT dl
Cluster detection
![Page 8: A multi-wavelength view of RX J1347-1145 The interest of ... · Overview of the talk Introduction i. Diffuse intra-cluster radio sources ii. Sunyaev-Zel’dovich effect and galaxy](https://reader035.fdocuments.us/reader035/viewer/2022071100/5fd89f16112a8d302c6b7a0d/html5/thumbnails/8.jpg)
Cluster detection with X-ray and SZ observations
7
X-ray emissivity ∝�
n2eT
1/2dl
Fabian & Sanders 09
ICM density
∆TSZE
TCMB= f(ν) y
y ∝�
neT dl
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Bagchi+ 11
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SZE: importance for cluster studies
Carlstrom+ 02
∆TSZE
TCMB= f(ν) y
y ∝�
neT dl
ICM shock detection
X-ray ImageSurface
brightness profile Density profile Temperature profile
Macario+ 11
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SZE: importance for cluster studies
Korngut+ 11
Carlstrom+ 02
∆TSZE
TCMB= f(ν) y
y ∝�
neT dl
ICM shock detection
![Page 12: A multi-wavelength view of RX J1347-1145 The interest of ... · Overview of the talk Introduction i. Diffuse intra-cluster radio sources ii. Sunyaev-Zel’dovich effect and galaxy](https://reader035.fdocuments.us/reader035/viewer/2022071100/5fd89f16112a8d302c6b7a0d/html5/thumbnails/12.jpg)
Overview of the talk
Introduction
i. Diffuse intra-cluster radio sources
ii. Sunyaev-Zel’dovich effect and galaxy cluster studies
Multi-wavelength analysis of RX J1347-1145
i. Comparison of radio, X-ray & mm data
ii. Conclusions
![Page 13: A multi-wavelength view of RX J1347-1145 The interest of ... · Overview of the talk Introduction i. Diffuse intra-cluster radio sources ii. Sunyaev-Zel’dovich effect and galaxy](https://reader035.fdocuments.us/reader035/viewer/2022071100/5fd89f16112a8d302c6b7a0d/html5/thumbnails/13.jpg)
RX J1347-1145
XMMICM temperature map
X-ray contours
Gitti+ 04
ChandraRaw X-ray image
Allen+ 02
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RX J1347-1145
Mason+ 10
MUSTANG90 GHz
res. 10’’
XMMICM temperature map
X-ray contours
Gitti+ 04
ChandraRaw X-ray image
Allen+ 02
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Mason+ 10
MUSTANG SZE imageHST optical image
Surface mass density contours
Chandra X-ray imageMUSTANG SZE contours
Merging scenario
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Previous radio results
Gitti, Ferrari+ 07
X-ray image (XMM)Radio contours (VLA @ 1.4 GHz)
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Previous radio results
Gitti, Ferrari+ 07
X-ray image (XMM)Radio contours (VLA @ 1.4 GHz)
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New GMRT observations
100 kpc
13 47 2913 47 3013 47 3113 47 32
-11 45 30
-11 45 15
-11 45 00
-11 44 45
RIGHT ASCENSION (J2000)
DEC
LIN
ATIO
N (
J200
0)
Ferrari+ sub.
237 MHzres. 11.7’’× 9.3’’
rms = 2.7 mJy/b
614 MHzres. 4.8’’ × 3.5’’rms = 0.3 mJy/b
Mini-halo:S237 MHz = 131 ± 6 mJy
S614 MHz = 50 ± 2 mJy
SE excess:S614 MHz = 3.3 ± 0.3 mJy
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Comparison with X-ray and mm data
0.01 0.02 0.03
Temperature map (XMM) 614 MHz contours (GMRT)
X-ray surface brightness contours (Chandra)
614 MHz map & contours (GMRT)SZE contours (MUSTANG - Mason+ 10)
8 9 10 11 12 13 14 15 16 17
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Comparison with X-ray and mm data
0.01 0.02 0.03
Temperature map (XMM) 614 MHz contours (GMRT)
X-ray surface brightness contours (Chandra)
614 MHz map & contours (GMRT)SZE contours (MUSTANG - Mason+ 10)
8 9 10 11 12 13 14 15 16 17
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Conclusions
Comparison of radio observations with SZE analyses for :
i. Cluster identification and mass
ii. Cluster physical properties
Multi-wavelength analysis of RX J1347-1145
i. Discovery of the correspondence between intra-cluster radio emission and high-
pressure region detected through SZE
ii. Diffuse radio emission in this cluster ≡ “Mini-halo” + “Relic”
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Conclusions
Comparison of radio observations with SZE analyses for :
i. Cluster identification and mass
ii. Cluster physical properties
Multi-wavelength analysis of RX J1347-1145
i. Discovery of the correspondence between intra-cluster radio emission and high-
pressure region detected through SZE
ii. Diffuse radio emission in this cluster ≡ “Mini-halo” + “Relic”
Thanks !