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4 papers · 2 filters
The Carnegie Hubble Program
Wendy L. Freedman, Barry F. Madore, Vicky Scowcroft +6
We present an overview of and preliminary results from an ongoing comprehensive program that has a goal of determining the Hubble constant to a systematic accuracy of 2%. As part o…
Discovery of the correspondence between intra-cluster radio emission and a high pressure region detected through the Sunyaev-Zel'dovich effect
C. Ferrari, H. T. Intema, E. Orrù +9
We analyzed new 237 MHz and 614 MHz GMRT data of the most X-ray luminous galaxy cluster, RX J1347-1145. Our radio results are compared with the MUSTANG 90 GHz Sunyaev-Zel'dovich ef…
The UV-continuum properties of Ly alpha selected galaxies at z=6.5
Lennox L. Cowie, Esther M. Hu, Antoinette Songaila
We report the first space-based very deep near-infrared continuum observations of a uniform sample of z = 6.5 galaxies with log(L(L_alpha)) = 42.5 - 43 erg/s selected from narrow-b…
Supermodel Analysis of the Hard X-Ray Excess in the Coma Cluster
Roberto Fusco-Femiano, Mauro Orlandini, Massimiliano Bonamente +1
The Supermodel provides an accurate description of the thermal contribution by the hot intracluster plasma which is crucial for the analysis of the hard excess. In this paper the t…