Wilson, Gillian, Muzzin, Adam, Yee, H. K. C., Lacy, Mark, Surace, Jason, Gilbank, David, ...
The Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) is a z'-passband imaging survey, consisting of deep (z' ≃ 24 AB) observations made from both hemispheres using the CFHT 3.6 m and...
Koester, Benjamin P., Gladders, Michael D., Gilbank, David G., Yee, H. K. C., Barbary, Kyle, Dawson, Kyle S., ...
Using deep two-band imaging from the Hubble Space Telescope, we measure the color-magnitude relations (CMR) of E/S0 galaxies in a set of 9 optically-selected clusters principally from the...
Oguri, Masamune, Hennawi, Joseph F., Gladders, Michael D., Dahle, Haakon, Natarajan, Priyamvada, Dalal, Neal, ...
We derive radial mass profiles of four strong lensing selected clusters which show prominent giant arcs (Abell 1703, SDSS J1446+3032, SDSS J1531+3414, and SDSS J2111-0115), by combining detailed...
Wilson, Gillian, Muzzin, Adam, Yee, H. K. C., Lacy, Mark, Surace, Jason, Gilbank, David, ...
The Spitzer Adaptation of the Red-sequence Cluster Survey (SpARCS) is a z'-passband imaging survey, consisting of deep (z' ~ 24 AB) observations made from both hemispheres using the CFHT 3.6m and...
A new survey for giant arcs (2008)
Hennawi, Joseph F., Gladders, Michael D., Oguri, Masamune, Dalal, Neal, Koester, Benjamin, Natarajan, Priyamvada, ...
We report on the first results of an imaging survey to detect strong gravitational lensing targeting the richest clusters selected from the photometric data of the Sloan Digital Sky Survey (SDSS)...
Cosmological Constraints From the 100 Square Degree Weak Lensing Survey (2007)
Benjamin, Jonathan, Heymans, Catherine, Semboloni, Elisabetta, Van Waerbeke, Ludovic, Hoekstra, Henk, Erben, Thomas, ...
We present a cosmic shear analysis of the 100 square degree weak lensing survey, combining data from the CFHTLS-Wide, RCS, VIRMOS-DESCART and GaBoDS surveys. Spanning ~100 square degrees, with a...
A New Survey for Giant Arcs (2006)
Hennawi, Joseph F., Gladders, Michael D., Oguri, Masamune, Dalal, Neal, Koester, Benjamin, Natarajan, Priyamvada, ...
We report on the first results of an imaging survey to detect strong gravitational lensing targeting the richest clusters selected from the photometric data of the Sloan Digital Sky Survey (SDSS)...
Cosmological Constraints from the Red-Sequence Cluster Survey (2006)
Gladders, Michael D., Yee, H. K. C., Majumdar, Subhabrata, Barrientos, L. Felipe, Hoekstra, Henk, Hall, Patrick B., ...
[abridged] We present a first cosmological analysis of a refined cluster catalog from the Red-Sequence Cluster Survey (RCS). The input cluster sample is derived from 72.07 square degrees of imaging...
RCS043938-2904.9: A New Rich Cluster of Galaxies at z=0.951 (2004)
Barrientos, L. Felipe, Gladders, Michael D., Yee, H. K. C., Infante, Leopoldo, Ellingson, Erica, Hall, Patrick B., ...
We present deep I, J_s, K_s imaging and optical spectroscopy of the newly discovered Red-Sequence Cluster Survey cluster RCS043938-2904.9. This cluster, drawn from an extensive preliminary list, was...
Gladders, Michael D., Yee, Howard K. C.
The Red-Sequence Cluster Survey (RCS) is a $\sim$100 square degree, two-filter imaging survey in the $R_C$ and $z'$ filters, designed primarily to locate and characterise galaxy clusters to redshifts...
Lee, Brian L., Von Braun, Kaspar, Mallen-Ornelas, Gabriela, Yee, H. K. C., Seager, Sara, Gladders, Michael D.
The EXPLORE Project expanded in 2003 to include a campaign to monitor rich southern open clusters for transits of extrasolar planets (EXPLORE/OC). In May and June 2003, we acquired precise,...
Properties of galaxy dark matter halos from weak lensing (2003)
Hoekstra, Henk, Yee, Howard K. C., Gladders, Michael D.
We present the results of a study of the average mass profile around galaxies using weak gravitational lensing. We use 45.5 deg^2 of R_C band imaging data from the Red-Sequence Cluster Survey (RCS)...
Properties of galaxy dark matter halos from weak lensing (2003)
Hoekstra, Henk, Yee, Howard K. C., Gladders, Michael D.
We present the results of a study of weak lensing by galaxies based on 45.5 deg$^2$ of $R_C$ band imaging data from the Red-Sequence Cluster Survey (RCS). We present the first weak lensing detection...
The Incidence of Strong-Lensing Clusters in the Red-Sequence Cluster Survey (2003)
Gladders, Michael D., Hoekstra, Henk, Yee, H. K. C., Hall, Patrick B., Barrientos, L. Felipe
The incidence of giant arcs due to strong-lensing clusters of galaxies is known to be discrepant with current theoretical expectations. This result derives from a comparison of several cluster...
The DDO IVC Distance Project: Survey Description and the Distance to G139.6+47.6 (2003)
Burns, Christopher R., Tycner, Christopher, McClure, Megan, Blindert, Kris, McNaughton, Rosemary, Gladders, Michael D., ...
We present a detailed analysis of the distance determination for one intermediate Velocity Cloud (IVC G139.6+47.6) from the ongoing DDO IVC Distance Project. Stars along the line of sight to...
A Spectroscopic Survey of a Sample of Active M Dwarfs (2002)
Mochnacki, Stefan W., Gladders, Michael D., Thomson, James R., Lu, Wenxian, Ehlers, Paula, Guler, Metin, ...
A moderate resolution spectroscopic survey of Fleming's sample of 54 X-ray selected M dwarfs with photometric distances less than 25 pc is presented. Radial and rotation velocities have been measured...
Weak lensing study of galaxy biasing (2002)
Hoekstra, Henk, Van Waerbeke, Ludo, Gladders, Michael D., Mellier, Yannick, Yee, H. K. C.
We combine weak lensing measurements from the Red-Sequence Cluster Survey and the VIRMOS-DESCART survey, and present the first direct measurements of the bias parameter b and the galaxy-mass...
Excursions into the Evolution of Early-Type Galaxies in Clusters (2002)
Lopez-Cruz, Omar, Schade, David, Barrientos, L. Felipe, Gladders, Michael D., Yee, H. K. C., Kodama, Tadayuki
Recent observations have revealed that early-type galaxies (ETG) in clusters comprise an old galaxy population that is evolving passively. We review some recent observations from the ground and from...
The Optical Afterglow of GRB 011211 (2002)
Holland, Stephen T., Soszynski, I., Gladders, Michael D., Barrientos, L. F., Berlind, P., Bersier, David, ...
We present early-time optical photometry and spectroscopy of the optical afterglow of the gamma-ray burst GRB 011211. The spectrum of the optical afterglow contains several narrow metal lines which...
A measurement of weak lensing by large scale structure in RCS fields (2002)
Hoekstra, Henk, Yee, Howard K. C., Gladders, Michael D., Barrientos, L. Felipe, Hall, Patrick B., Infante, Leopoldo
We have analysed ~24 square degrees of R_C-band imaging data from the Red-Sequence Cluster Survey (RCS), and measured the excess correlations between galaxy ellipticities on scales ranging from 1 to...
Probing SZ Source Detection with Gasdynamical Simulations (2001)
Bond, J. Richard, Ruetalo, Marcelo I., Wadsley, James W., Gladders, Michael D.
The huge worldwide investment in CMB experiments should make the Sunyaev-Zeldovich (SZ) effect a key probe of the cosmic web in the near future. For the promise to be realized, substantial...
The Red-Sequence Cluster Survey: first lensing results (2001)
Hoekstra, Henk, Yee, H. K. C., Gladders, Michael D.
The Red-Sequence Cluster Survey (RCS) is a 100 deg^2 galaxy cluster survey designed to provide a large sample of optically selected clusters of galaxies with redshifts 0.1
Measurement of the bias parameter from weak lensing (2001)
Hoekstra, Henk, Yee, Howard K. C., Gladders, Michael D.
We have measured the correlation between the lensing signal induced by (dark) matter and number counts of galaxies on scales ranging from 0.15-3.0 h_{50}^{-1} Mpc (which correspond to aperture radii...
The Red-Sequence Cluster Survey (2000)
Gladders, Michael D., Yee, H. K. C.
The Red-Sequence Cluster Survey (RCS) is a new galaxy cluster survey designed to provide a large sample of optically selected 0.1$
The Red-Sequence Cluster Survey: The Value of $\Omega_m$ and $\sigma_8$ (2000)
Gladders, Michael D., Yee, H. K. C.
The Red-Sequence Cluster Survey (RCS) is a 100 deg$^2$ optical survey for high-redshift galaxy clusters. One of the goals of the survey is a measurement of $\Omega_m$ and $\sigma_8$ via the evolution...
Spectroscopic Gravitational Lens Candidates in the CNOC2 Field Galaxy Redshift Survey (2000)
Hall, Patrick B., Yee, H. K. C., Lin, Huan, Morris, Simon L., Gladders, Michael D., Carlberg, R. G., ...
We present five candidate gravitational lenses discovered spectroscopically in the Canadian Network for Observational Cosmology Field Galaxy Redshift Survey (CNOC2), along with one found in followup...
A New Method For Galaxy Cluster Detection I: The Algorithm (2000)
Gladders, Michael D., Yee, H. K. C.
Numerous methods for finding clusters at moderate to high redshifts have been proposed in recent years, at wavelengths ranging from radio to X-rays. In this paper we describe a new method for...
The Toronto Red-Sequence Cluster Survey: First Results (2000)
Gladders, Michael D., Yee, H. K. C.
The Toronto Red-Sequence Cluster Survey (TRCS) is a new galaxy cluster survey designed to provide a large sample of optically selected 0.1 < z < 1.4 clusters. The planned survey data is 100 square...
The DDO IVC Distance Project (1998)
Gladders, Michael D., Clarke, Tracy E., Burns, Christopher R., Attard, Allen, Casey, Michael P., Hamilton, Devon, ...
We present the first set of distance limits from the David Dunlap Observatory Intermediate Velocity Cloud (DDO IVC) distance project. Such distance measures are crucial to understanding the origins...
The David Dunlap Observatory IVC Distance Project: First Results (1998)
Clarke, T. E., Mallen-Ornelas, Gabriela, Sawicki, Marcin, Brodwin, Mark, McNaughton, Rosemary, Gladders, Michael D., ...
We present distance estimates to a set of high-latitude intermediate-velocity HI clouds. We explore some of the physical parameters that can be determined from these results, such as cloud mass,...
The Distance to the Draco Cloud (1998)
Gladders, Michael D., Clarke, T. E., Burns, Christopher R., Attard, A., Casey, M. P., Hamilton, Devon, ...
The understanding of the nature of intermediate and high velocity gas in the Milky Way is hampered by a paucity of distance estimates to individual clouds. A project has been started at the David...