By E. Ellingson (auth.), Catarina Lobo, Margarida Serote Roos, Andrea Biviano (eds.)
Galaxy teams and clusters offer first-class laboratories for learning galaxy houses in numerous environments and at various look-back instances. specifically, the hot detections of high-redshift cluster applicants, merely attainable with the present high-technology instrumentation, upload a brand new size to the matter. besides the ever expanding computing strength and complex algorithms to version clusters of galaxies, it can aid us to appreciate the origins of state-of-the-art teams and clusters, in addition to in their member galaxies. those workshop court cases offer a photo of the present study during this topic, overlaying the observations, thought and numerical simulations suitable to galaxy evolution in teams and clusters. during this e-book, meant basically to researchers within the box, specific emphasis is given to the hot outstanding development within the box, on vital new effects, and at the destiny clients and open inquiries to be tackled.
Read or Download Galaxy Evolution in Groups and Clusters: A JENAM 2002 Workshop Porto, Portugal 3–5 September 2002 PDF
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Extra info for Galaxy Evolution in Groups and Clusters: A JENAM 2002 Workshop Porto, Portugal 3–5 September 2002
An iterative procedure is employed to enable high-precision removal of flatness variations. Large-scale sky variations are modelled and subtracted using wavelet analysis, and point spread function fitting is used to subtract the halos of saturated stars. In addition, extensive masking of all objects other than the BCG is employed to minimize contamination of the BCG surface brightness profile. , 2002), a two-dimensional galaxy fitting code capable of simultaneously fitting multiple components. For each image we use DAOPHOT to generate the optimal stellar PSF, which is input to GALFIT for convolution with the model profiles.
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I. : 1998b, ApJ 496,39. I. : 2002, ASP 268, 459. A. STANFORD UC Davis and LLNL-1GPp, Livermore, CA 94550, USA PETER EISENHARDT JPL, 4800 Oak Grove Drive, Pasadena, CA 91109, USA MARK DICKINSON STScl, 3700 San Martin Drxive, Baltimore, MD 21218, USA Abstract. 92. We find a much smaller blue fraction and weaker trend with redshift than measured in optically selected samples. We suggest that the Butcher-Oemler effect is primarily due to star forming low luminosity galaxies. Keywords: galaxies-formation and evolution 1.
Galaxy Evolution in Groups and Clusters: A JENAM 2002 Workshop Porto, Portugal 3–5 September 2002 by E. Ellingson (auth.), Catarina Lobo, Margarida Serote Roos, Andrea Biviano (eds.)