Galaxy Zoo: Passive Red Spirals (2009)
Masters, Karen L., Mosleh, Moein, Romer, A. Kathy, Nichol, Robert C., Bamford, Steven P., Schawinski, Kevin, ...
We study the spectroscopic properties and environments of red spiral galaxies found by the Galaxy Zoo project. By carefully selecting face-on, disk dominated spirals we construct a sample of truly...
Early assembly of the most massive galaxies (2009)
Collins, Chris A., Stott, John P., Hilton, Matt, Kay, Scott T., Stanford, S. Adam, Davidson, Michael, ...
The current consensus is that galaxies begin as small density fluctuations in the early Universe and grow by in situ star formation and hierarchical merging. Stars begin to form relatively quickly in...
Hilton, Matt, Stanford, S. Adam, Stott, John P., Collins, Chris A., Hoyle, Ben, Davidson, Michael, ...
We present a study of the morphological fractions and color-magnitude relation in the most distant X-ray selected galaxy cluster currently known, XMMXCS J2215.9-1738 at z=1.46, using a combination of...
Sahlén, Martin, Viana, Pedro T. P., Liddle, Andrew R., Romer, A. Kathy, Davidson, Michael, Sabirli, Kivanc, ...
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 Lambda-CDM...
First-Year Spectroscopy for the SDSS-II Supernova Survey (2008)
Zheng, Chen, Romani, Roger W., Sako, Masao, Marriner, John, Bassett, Bruce, Becker, Andrew, ...
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 light curves of...
The sloan digital sky survey-II supernova survey: technical summary (2008)
Frieman, Joshua A., Bassett, Bruce, Becker, Andrew, Choi, Changsu, Cinabro, David, DeJongh, Fritz, ...
First-year spectroscopy for the sloan digital sky survey - II. Supernova survey (2008)
Zheng, Chen, Romani, Roger W., Sako, Masao, Marriner, John, Bassett, Bruce, Becker, Andrew, ...
The XMM Cluster Survey: The Dynamical State of XMMXCS J2215.9-1738 at z=1.457 (2007)
Hilton, Matt, Collins, Chris A., Stanford, S. Adam, Lidman, Chris, Dawson, Kyle S., Davidson, Michael, ...
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 W. M. Keck...
XMM Cluster Survey: X-ray source identification using the Sloan Digital Sky Survey (2004)
Land, Kate R., Nichol, Robert C., Davidson, Michael, Sabirli, Kivanc, Romer, A. Kathy, Liddle, Andrew R., ...
[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 of cluster...
Apparent and actual galaxy cluster temperatures (2000)
Liddle, Andrew R, Viana, Pedro T P, Romer, A Kathy, Mann, Robert G
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 clusters in a catalogue,...
Romer, A. Kathy, Viana, Pedro T. P., Liddle, Andrew R., Mann, Robert G.
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 different...
The Butcher-Oemler Effect at Moderate Redshift (1999)
Metevier, Anne J., Romer, A. Kathy, Ulmer, M. P.
We present the results of Butcher-Oemler-style analysis of three moderate- redshift (0.1
The Impact of AXAF & XMM on Measurements of Omega_0 from Cluster Abundances (1998)
Two major X-ray satellites, AXAF & XMM, will be launched in 1998/1999. Both satellites have spectral and imaging capabilities, and are several times more sensitive than either ROSAT or ASCA. AXAF &...