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First-Year Spectroscopy for the SDSS-II Supernova Survey
Chen Zheng, Roger W. Romani, Masao Sako +77
This paper presents spectroscopy of supernovae discovered in the first season of the Sloan Digital Sky Survey-II Supernova Survey. This program searches for and measures multi-band…
The XMM Cluster Survey: Forecasting cosmological and cluster scaling-relation parameter constraints
Martin Sahlén, Pedro T. P. Viana, Andrew R. Liddle +16
We forecast the constraints on the values of sigma_8, Omega_m, and cluster scaling relation parameters which we expect to obtain from the XMM Cluster Survey (XCS). We assume a flat…
The XMM Cluster Survey: The Dynamical State of XMMXCS J2215.9-1738 at z=1.457
Matt Hilton, Chris A. Collins, S. Adam Stanford +12
We present new spectroscopic observations of the most distant X-ray selected galaxy cluster currently known, XMMXCS J2215.9-1738 at z=1.457, obtained with the DEIMOS instrument at…
The Representative XMM-Newton Cluster Structure Survey (REXCESS) of an X-ray Luminosity Selected Galaxy Cluster Sample
H. Boehringer, P. Schuecker, G. W. Pratt +31
The largest uncertainty for cosmological studies using clusters of galaxies is introduced by our limited knowledge of the statistics of galaxy cluster structure, and of the scaling…
The XMM Cluster Survey: A Massive Galaxy Cluster at z=1.45
S. A. Stanford, A. K. Romer, K. Sabirli +14
We report the discovery of XMMXCS J2215.9-1738, a massive galaxy cluster at z =1.45, which was found in the XMM Cluster Survey. The cluster candidate was initially identified as an…
project: III. Gas mass fraction shape in high redshift clusters
Rachida Sadat, Alain Blanchard, Sebastien C. Vauclair +10
We study the gas mass fraction, behavior in project. The typical shape of high redshift galaxy clusters follows the global shape inf…
Cl 1205+44, a fossil group at z = 0.59
M. P. Ulmer, C. Adami, G. Covone +6
This is a report of Chandra, XMM-Newton, HST and ARC observations of an extended X-ray source at z = 0.59. The apparent member galaxies range from spiral to elliptical and are all…
RXJ0256.5+0006: a merging cluster of galaxies at z=0.36 observed with XMM-Newton
S. Majerowicz, D. M. Neumann, A. K. Romer +3
(abridged) We present a study based on XMM data of RX J0256.5+0006, a medium distant (z=0.36) galaxy cluster found in the Bright SHARC catalog. The intracluster medium shows a bimo…
XMM Cluster Survey: X-ray source identification using the Sloan Digital Sky Survey
Kate R. Land, Robert C. Nichol, Michael Davidson +8
[ABRIDGED] The XMM Cluster Survey (XCS) is predicted to detect thousands of clusters observed serendipitously in XMM-Newton pointings. We investigate automating optical follow-up o…
Sunyaev-Zeldovich Observations of Massive Clusters of Galaxies
P. Gomez, A. K. Romer, J. B. Peterson +9
We present detections of the Sunyaev-Zeldovich Effect (SZE) at 150GHz and 275GHz for the X-ray luminous z=0.299 cluster 1E0657-67. These observations were obtained as part of an X-…
Imaging the Sunyaev Zel'dovich Effect using ACBAR on Viper
A. K. Romer, P. L. Gomez, C. M. Cantalupo +13
During 2001 and 2002, observations of several X-ray bright clusters of galaxies were conducted using the ACBAR Bolometer Array on the South Pole Viper telescope. A multi-frequency…
The XMM--NEWTON Omega Project: I. The X-ray Luminosity - Temperature Relation at z>0.4
D. H. Lumb, J. G. Bartlett, A. K. Romer +9
(abridged) We describe XMM-Newton Guaranteed Time observations of a sample of eight high redshift (0.45<z<0.62) clusters. The goal of these observations was to measure the luminosi…
First Results from the Arcminute Cosmology Bolometer Array Receiver
M. C. Runyan, P. A. R. Ade, J. J. Bock +17
We review the first science results from the Arcminute Cosmology Bolometer Array Receiver (ACBAR); a multifrequency millimeter-wave receiver optimized for observations of the Cosmi…
A Joint Sunyaev-Zel'dovich Effect and X-ray Analysis of Abell 3667
C. M. Cantalupo, A. K. Romer, J. B. Peterson +4
We present a 40GHz (7.5 mm) raster scan image of a 3.6x2 degree region centered on the low redshift (z=0.055) cluster of galaxies Abell 3667. The cluster was observed during the An…
XMM-Newton observation of the distant (z=0.6) galaxy cluster RX J1120.1+4318
M. Arnaud, S. Majerowicz, D. Lumb +12
We report on a 20 ksec XMM observation of the distant cluster RXJ1120.1+4318, discovered at z=0.6 in the SHARC survey. The cluster has a regular spherical morphology, suggesting it…
The ROSAT All-Sky Survey: a Catalog of Clusters of Galaxies in a Region of 1 Ster around the South Galactic Pole
R. Cruddace, W. Voges, H. Boehringer +7
A field of 1.013 ster in the ROSAT all-sky survey (RASS), centered on the south galactic pole (SGP), has been searched in a systematic, objective manner for clusters of galaxies. T…
Galaxy colours in high redshift X-ray selected clusters - I: Blue galaxy fractions in eight clusters
B. W. Fairley, L. R. Jones, D. A. Wake +4
We present initial results from a wide-field, multi-colour imaging project, designed to study galaxy evolution in X-ray selected clusters at intermediate (z~0.25) and high redshift…
The XMM-Newton Project
J. G. Bartlett, N. Aghanim, M. Arnaud +16
The abundance of high-redshift galaxy clusters depends sensitively on the matter density $\OmM$ and, to a lesser extent, on the cosmological constant . Measurements of this abun…
Apparent and actual galaxy cluster temperatures
Andrew R Liddle, Pedro T P Viana, A Kathy Romer +1
The redshift evolution of the galaxy cluster temperature function is a powerful probe of cosmology. However, its determination requires the measurement of redshifts for all cluster…
The Bright SHARC Survey: The Selection Function and its Impact on the Cluster X-ray Luminosity Function
C. Adami, M. P. Ulmer, A. K. Romer +3
We present the results of a set of simulations designed to quantify the selection function of the Bright SHARC survey for distant clusters. The statistical significance of the simu…
CFHT Optical PDCS Survey II: Evolution in the Space Density of Clusters of Galaxies
B. P. Holden, C. Adami, R. C. Nichol +6
We present the first dynamical study of the optically selected Palomar Distant Cluster Survey (PDCS). We show that eleven out of twelve PDCS clusters we observed are real over-dens…
The Butcher-Oemler Effect at Moderate Redshift
Anne J. Metevier, A. Kathy Romer, M. P. Ulmer
We present the results of Butcher-Oemler-style analysis of three moderate- redshift (0.1<z<0.2) clusters which have bimodal X-ray surface brightness profiles. We find that at least…
A Serendipitous Galaxy Cluster Survey with XMM: Expected Catalogue Properties and Scientific Applications
A. Kathy Romer, Pedro T. P. Viana, Andrew R. Liddle +1
This paper describes a serendipitous galaxy cluster survey that we plan to conduct with the XMM X-ray satellite. We have modeled the expected properties of such a survey for three…
Simulations Applied to the Bright SHARC XCLF: Results and Implications
M. P. Ulmer, C. Adami, R. Pildis +3
We have performed simulations of the effectiveness of the Serendipitous High-redshift Archival ROSAT Cluster (SHARC) survey for various model universes. We find, in agreement with…