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- W2074099761 abstract "We present new X-ray temperatures and improved X-ray luminosity estimates for 15 new and archival XMM-Newton observations of galaxy clusters at intermediate redshift with mass and luminosities near the galaxy group/cluster division (M2500 < $2.4times 10^{14} h_{70}^{-1} M_odot$, L < $2times 10^{44}$ erg $s^{-1}$, 0.3< z < 0.6). These clusters have weak-lensing mass measurements based on Hubble Space Telescope observations of clusters representative of an X-ray selected sample (the ROSAT 160SD survey). The angular resolution of XMM-Newton allows us to disentangle the emission of these galaxy clusters from nearby point sources, which significantly contaminated previous X-ray luminosity estimates for six of the fifteen clusters. We extend cluster scaling relations between X-ray luminosity, temperature, and weak-lensing mass for low-mass, X-ray-selected clusters out to redshift $approx$0.45. These relations are important for cosmology and the astrophysics of feedback in galaxy groups and clusters. Our joint analysis with a sample of 50 clusters in a similar redshift range but with larger masses (M500 < $21.9 times 10^{14} M_odot$, $0.15 leq z leq 0.55$) from the Canadian Cluster Comparison Project finds that within r2500, $M propto L^{0.44 +/- 0.05}$, $T propto L^{0.23 +/- 0.02}$, and $M propto T^{1.9 +/- 0.2}$. The estimated intrinsic scatter in the M-L relation for the combined sample is reduced to ${sigma}_{log(M|L)}=0.10$, from ${sigma}_{log(M|L)}=0.26$ with the original ROSAT measurements. We also find an intrinsic scatter for the T-L relation, ${sigma}_{log(T|L)}=0.07 +/- 0.01$." @default.
- W2074099761 created "2016-06-24" @default.
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- W2074099761 date "2014-09-23" @default.
- W2074099761 modified "2023-10-18" @default.
- W2074099761 title "SCALING RELATIONS AND X-RAY PROPERTIES OF MODERATE-LUMINOSITY GALAXY CLUSTERS FROM 0.3 <<i>z</i>< 0.6 WITH<i>XMM-NEWTON</i>" @default.
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- W2074099761 doi "https://doi.org/10.1088/0004-637x/794/1/48" @default.
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