... Univ. of Durham, U.K. Using both new UBVK data on the Galactic Open Clusters which contain Cepheids and a new analysis of the Distance Scale HST Key Project Cepheid data in external galaxies we argue that the Cepheid P-L relation has a strong metallicity ...
... Using published data we nd that the halo central density is nearly independent of the mass from galactic to galaxy cluster scales with an average value around 0:02 M =pc 3 . ...
... 100GHz) and show extended morphology: -Jets Active Galactic Nuclei -Lobes powered by (AGN) -Hotspots -Central black hole -Accretion disc -Strong B fields -Dusty torus Chandra X-Ray image of Perseus cluster with VLA radio inset, showing clear feedback ...
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Ссылки http://www.mrao.cam.ac.uk/~tm419/downloads/Graduate_student_poster.pdf -- 2276.9 Кб -- 26.04.2013 Похожие документы
... clusters with high-sensitivity and resolution, allowing us to extract detailed ... this galaxy cluster is a complex merging system, consisting of two distinct cluster ...
... Primordial Theory . Primordial Experiments . Galaxy Clusters and the SZ effect . ... Hot gas in galaxy clusters - hyperfine transitions : Rashid Sunyaev . ... in the CMBR, including a possible SZ signal from a z=2.56 cluster : Bruce Partridge ...
... The simulations include emission from the CMBR, the kinetic and thermal Sunyaev--Zel'dovich (SZ) effects from galaxy clusters, as well as Galactic dust, free--free and synchrotron emission. ...
... high resolution radio data) as well as follow-up observations to clusters observed as part of the LOFAR and MeerKAT surveys ... Transients, variables and Galactic astrophysics with AMI AMI has been extremely successful in providing key monitoring and ...
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Ссылки http://www.mrao.cam.ac.uk/secure/amiday/white_paper/AMI_Operations_science_case.pdf -- 59.5 Кб -- 10.08.2012 Похожие документы
... The excess of globular cluster systems around the brightest cluster galaxies can be explained by the globular clusters formed in the shocked shell. ...
... It requires the temperature in the proto-clusters of galaxies, which host the objects, to have a temperature of about a factor of ten less then present day clusters. ...