risa h. wechsler

(note: click on "postscript" for the published or latest version; title goes to ADS for published papers; citations in parens)

submitted publications

The Impact of Theoretical Uncertainties in the Halo Mass Function and Halo Bias on Precision Cosmology

arxiv/0910.3668 astro-ph

ArborZ: Photometric Reshifts for Galaxies Using Boosted Decision Trees
D. Gerdes, A. J. Sypniewski, T. A. McKay, J. Hao, M. Weis, R. H. Wechsler, M. Busha
2009, ApJ, submitted
[arxiv/0908.4085 astro-ph]

Annealing a Follow-up Program: Improvement of the Dark Energy Figure of Merit for Optical Galaxy Cluster Surveys

arxiv/0907.2690 astro-ph

The Impact of Inhomogeneous Reionization on the Satellite Galaxy Population of the Milky Way
M. T. Busha, M. A. Alvarez, R. H. Wechsler, T. Abel, L. Strigari
2009, ApJ, submitted
[PDF (resubmitted version)] [arxiv/0901.3553 astro-ph]
Counts-in-Cylinders as a Test of Galaxy Formation Models
H. D. Berrier, E. J. Barton, J. S. Bullock, J. C. Berrier, A. R. Zentner, R. H. Wechsler
2009, ApJ, submitted
Cross-correlation Weak Lensing of SDSS galaxy Clusters II: Cluster Density Profiles and the Mass-Richness Relation
D. E. Johnston, E. S. Sheldon, R. H. Wechsler, E. Rozo, B. P. Koester, J. A. Frieman, T. A. McKay, A. E. Evrard, M. R. Becker, J. Annis
2007, ApJ, submitted
[arXiv/0709.1159 astro-ph]
Cosmological Constraints from SDSS maxBCG Cluster Abundances
E. Rozo, R. H. Wechsler, B. P. Koester, T. A. McKay, A. E. Evrard, D. Johnston, E. S. Sheldon, J. Annis, J. A. Frieman
2007, ApJ, submitted
[astro-ph/0703571]
Optically-Selected Cluster Catalogs as a Precision Cosmology Tool
E. Rozo, R. H. Wechsler, B. P. Koester, T. A. McKay, A. E. Evrard
2007, ApJ, submitted
[astro-ph/0703574]

refereed publications

Cosmological Constraints from the SDSS maxBCG Cluster Catalog

arxiv/0902.3702 astro-ph

Interpreting the Clustering of Distant Red Galaxies

arxiv/0901.1748 astro-ph

Connecting Reionization to the Local Universe
M. A. Alvarez, M. T. Busha, T. Abel, R. H. Wechsler
2009, ApJ, 703L, 167
[arxiv/0812.3405 astro-ph]
Cross-correlation Weak Lensing of SDSS Galaxy Clusters III: Mass-to-light Ratios
E. S. Sheldon, D. E. Johnston, M. Masjedi, T. A. McKay, M. R. Blanton, R. Scranton, R. H. Wechsler, B. P. Koester, S. M. Hansen, J. A. Frieman, J. Annis
2009, ApJ, 703, 2232
[arXiv/0709.1162 astro-ph]
Cross-correlation Weak Lensing of SDSS Galaxy Clusters I: Measurements
E. S. Sheldon, D. E. Johnston, R. Scranton, B. Koester, T. A. McKay, H. Oyaizu, C. Cunha, M. Lima, H. Lin, J A. Frieman, R. H. Wechsler, J. Annis, R. Mandelbaum, N. A. Bahcall, and M. Fukugita
2009, ApJ, 703, 2217
[arXiv/0709.1153 astro-ph]
Improvement of the Richness Estimates of maxBCG Clusters
E. Rozo, E. S. Rykoff, B. P. Koester, T. McKay, J. Hao, A. Evrard, R. H. Wechsler, S. Hansen, E. Sheldon, D. Johnston, J. Annis, J. Freiman, L. Bleem, R. Scranton
2009, ApJ, 703, 601
[arXiv/0809.2797 astro-ph]
Galaxy Mergers and Dark Matter Halo Mergers in LCDM: Mass, Redshift, and Mass-Ratio Dependence
K. Stewart, J. Bullock, E. Barton, and R. Wechsler
2009, ApJ, 702, 1005
[arXiv/0811.1218 astro-ph]
Precision Measurements of the Cluster Red Sequence Using an Error-Corrected Gaussian Mixture Model
J. Hao, B. Koester, T. McKay, E. Rykoff, E. Rozo, A. Erard, J. Annis, M. Becker, M. Busha, D. Gerdes, D. Johsnton, E. Sheldon, R. Wechsler
2009, 702, 745
Gas-Rich Mergers in LCDM: Disk Survivability and the Baryonic Assembly of Galaxies

arxiv/0901.4336 astro-ph

The Galaxy Content of SDSS Clusters and Groups
S. M. Hansen, E. S. Sheldon, R. H. Wechsler, B. P. Koester
2009, ApJ, 699, 1333
[arXiv/0710.3780 astro-ph]
Constraining the Scatter in the Mass-Richness Relation of MaxBCG Clusters with Weak Lensing and X-Ray Data
E. Rozo, E. S. Rykoff, A. Evrard, M. Becker, T. McKay, R. H. Wechsler, B. P. Koester, J. Hao, S. Hansen, E. Sheldon, D. Johnston, J. Annis, J. Freiman
2009, ApJ, 699, 768
[arXiv/0809.2794 astro-ph]
Connecting Galaxies, Halos, and Star Formation Rates Across Cosmic Time
C. Conroy, and R. H. Wechsler
2009, ApJ, 696, 620
[arXiv/0805.3346 astro-ph]
Mapping the Dark Matter From UV Light at High Redshift: An Empirical Approach to Understand Galaxy Statistics
K.-S. Lee, M. Giavalisco, C. Conroy, R. H. Wechsler, H. C. Ferguson, R. S. Somerville, M. E. Dickenson, M. C. Urry
2009, ApJ, 695, 368
[arXiv/0808.1727 astro-ph]
The Assembly of Galaxy Clusters
J. C. Berrier, K. R. Stewart, J. S. Bullock, Chris, W. Purcell, E. J. Barton, R. H. Wechsler
2009, ApJ, 690, 1292
[arXiv/0804.0426 astro-ph]
The Effect of Assembly Bias on Self Calibration in Galaxy Cluster Surveys
Hao-Yi Wu, Eduardo Rozo, and Risa H. Wechsler
2008, ApJ, 688, 729
[arXiv/0803.1491 astro-ph]
The Lx-M relation of Clusters of Galaxies

arXiv/0802.1069 astro-ph

Merger Histories of Galaxy Halos and Implications for Disk Survival
K. R. Stewart, J. S. Bullock, R. H. Wechsler, A. H. Maller, A. R. Zentner
2008, ApJ, 683, 597
[arXiv/0711.5087 astro-ph]
Optical Cluster-Finding with an Adaptive Matched-Filter Technique: Algorithm and Comparison with Simulations
F. Dong, E. Pierpaoli, J. E. Gunn, and R. H. Wechsler
2008, ApJ, 676, 868
Measuring the mean and scatter of the X-ray luminosity -- optical richness relation for maxBCG galaxy clusters
E. S. Rykoff, T. A. McKay, M. A. Becker, A. Evrard, D. E. Johnston, B. P. Koester, E. Rozo, E. S. Sheldon, R. H. Wechsler
2008, ApJ, 675, 1106
[arXiv/0709.1158 astro-ph]
Modeling the three-point correlation function
F. Marin, R. H. Wechsler, J. A. Frieman, R. Nichol
2008, ApJ, 672, 849
[arXiv/0704.0255 astro-ph]
The DEEP2 Galaxy Redshift Survey: Color and Luminosity Dependence of Galaxy Clustering at z~1
A. L. Coil, J. A. Newman, D. Croton, M. C. Cooper, M. Davis, S. M. Faber, B. F. Gerke, D. C. Koo, N. Padmanabhan, R. H. Wechsler, B. J. Weiner
2008, ApJ, 672, 153
[arXiv/0708.0004 astro-ph]
Isolating Triggered Star Formation
E. J. Barton, J. A. Arnold, A. R. Zentner, J. S. Bullock, and R. H. Wechsler
2007, ApJ, 671, 1538
[arXiv/0708.2912 astro-ph]
The Mean and Scatter of the Velocity Dispersion-Optical Richness Relation for maxBCG Galaxy Clusters
M. R. Becker, T.A. McKay, B. Koester, R. H. Wechsler, E. Rozo, A. Evrard, D. Johnston, E. Sheldon, J. Annis, E. Lau, R. Nichol, C. Miller
2007, ApJ, in press
[arXiv/0704.3614 astro-ph]
The Hierarchical Build-Up of Massive Galaxies and the Intracluster Light since z=1
C. Conroy, R. H. Wechsler, and A. V. Kravtsov
2007, ApJ, 668, 826
[astro-ph/0703374]
MaxBCG: A Red-Sequence Galaxy Cluster Finder
B. Koester, T. McKay, J. Annis, R. Wechsler, A. Evrard, E. Rozo, L. Bleem, E. Sheldon, D. Johnston
2007, ApJ, 660, 221
[astro-ph/0701268]
A MaxBCG Catalog of 13,823 Galaxy Clusters from the Sloan Digital Sky Survey (71)
B. Koester, T. McKay, J. Annis, R. Wechsler, A. Evrard, L. Bleem, M. Becker, D. Johnston, E. Sheldon, R. Nichol, C. Miller, R. Scranton
2007, ApJ, 660, 239
[astro-ph/0701265]
Cross-Correlation Lensing: Determining Galaxy and Cluster Mass Profiles from Statistical Weak Lensing Measurements
D. Johnston, E. Sheldon, A. Tasitsiomi, J. Frieman, R. Wechsler, and T. McKay
2007, ApJ, 656, 27
[astro-ph/0507467]
The Dependence of Halo Clustering on Formation, Concentration, and Occupation (91)
R. H. Wechsler, A. R. Zentner, J. S. Bullock, A. V. Kravtsov and B. Allgood
2006, ApJ, 652, 71
[astro-ph/0512416]
Close Galaxy Counts as a Probe of Hierarchical Structure Formation
J. C. Berrier, J. S. Bullock, E. J. Barton, H. D. Guenther, A. R. Zentner, and R. H. Wechsler
2006, ApJ, 652, 56
[astro-ph/0604506]
Modeling Luminosity Dependent Galaxy Clustering Through Cosmic Time (61)
C. Conroy, R. H. Wechsler, and A. V. Kravtsov
2006, ApJ, 647, 201
The Effect of Large-Scale Structure on the SDSS Galaxy Three-Point Correlation Function
R. C. Nichol, R. K. Sheth, Y. Suto, A. J. Gray, I. Kayo, R. H. Wechsler, F. Marin, G. Kulkarni et al
2006, MNRAS, 368, 1507
[postscript]
The Shape of Dark Matter Halos: Dependence on Mass, Redshift, Radius, and Formation (85)
B. Allgood, R. Flores, J. Primack, A. Kravtsov, R. Wechsler, A. Faltenbacher, and J. Bullock
2006, MNRAS, 367, 1781
[astro-ph/0508497]
Galaxy-Galaxy Lensing: Dissipationless Simulations versus the Halo Model
R. Mandelbaum, A. Tasitsiomi, U. Seljak, A. V. Kravtsov, and R. H. Wechsler.
2005, MNRAS, 362, 1451
[astro-ph/0410711]
Measurement of Galaxy Cluster Sizes, Radial Profiles, and Luminosity Functions from SDSS Photometric Data
S. M. Hansen, T. A. McKay, R. H. Wechsler, J. Annis, E. S. Sheldon, A. Kimball.
2005, ApJ, 633, 122
[astro-ph/0410467]
The Ultimate Halo Mass in a LCDM Universe
M. T. Busha, A. E. Evrard, F. C. Adams, and R. H. Wechsler.
2005, MNRAS, 363, 11
[astro-ph/0412161]
The C4 Clustering Algorithm: Clusters of Galaxies in the Sloan Digital Sky Survey (73)
C. J. Miller, R. C. Nichol, D Reichard, R. H. Wechsler, A. E. Evrard, J. Annis, T. A. McKay, et al.
2005, AJ, 130, 968
[astro-ph/0503713]
The Physics of Galaxy Clustering I: A Model for Subhalo Populations (106)
A. R. Zentner, A. A. Berlind, J. S. Bullock, A. V. Kravtsov, and R. H. Wechsler
2005, ApJ, 624, 505
[astro-ph/0411586]
Modeling Galaxy-Mass Correlations in Simulations
A. Tasitsiomi, A. V. Kravtsov, R. H. Wechsler, J. R. Primack.
2004, ApJ, 614, 533
[postscript] [astro-ph/0404168]
The Dark Side of the Halo Occupation Distribution (182)
A. V. Kravtsov, A. A. Berlind, R. H. Wechsler, A. A. Klypin, S. Gottlober, B. Allgood, J. R. Primack.
2004, ApJ, 609, 35
[postscript] [astro-ph/0308519]
Future Evolution of Cosmic Structure in an Accelerating Universe
M. T. Busha, F. C. Adams, R. H. Wechsler, and A. E. Evrard. 2003, ApJ, 596, 713
[postscript] [astro-ph/0305211]
The Asymptotic Structure of Space Time
F. C. Adams, M. Busha, A. E. Evrard, R. H. Wechsler. 2003, International Journal of Modern Physics D. 2003, 12, 1743; Gravity Research Foundation Essays on Gravitation honorable mention
[pdf] [astro-ph/0308236]
The Origin of Angular Momentum in Dark Matter Halos (135)
M. Vitvitska, A.A. Klypin, A.V. Kravtsov, R.H. Wechsler, J.R. Primack, and J.S. Bullock.
2002, ApJ, 581, 799
[postscript] [astro-ph/0105349]
Concentrations of Dark Halos from their Assembly Histories (327)
R. H. Wechsler, J. S. Bullock, J. R. Primack, A. V. Kravtsov, and A. Dekel.
2002, ApJ, 568, 52
[postscript] [astro-ph/0108151]
The Las Campanas Distant Cluster Survey: The Correlation Function
A. H. Gonzalez, D. Zaritsky, and R. H. Wechsler. 2002, ApJ, 571, 129
[postscript] [astro-ph/0201534]
Galaxy Halo Occupation at High Redshift (76)
J.S. Bullock, R. H. Wechsler and R.S. Somerville. 2002, MNRAS, 329, 246
[postscript] [astro-ph/0106293]
Galaxy Formation at z~3: Constraints from Spatial Clustering (61)
R. H. Wechsler, R. S. Somerville, J. S. Bullock, Ts. Kolatt, J. R. Primack, G. R. Blumenthal, and A. Dekel.
2001, ApJ, 554, 85
[postscript] [astro-ph/0011261]
The Nature of High-Redshift Galaxies
J. R. Primack, R. S. Somerville, S. M. Faber and R. H. Wechsler.
1998, Physics Reports, 307, 15
[astro-ph/9806263]
Implications of Spikes in the Redshift Distribution of z~3 Galaxies (65)
R. H. Wechsler, M. A. K. Gross, J. R. Primack, G. R. Blumenthal, and A. Dekel.
1998, ApJ, 506, 19
[postscript] [astro-ph/9712141]
Vertical Drift Chambers for the Hall A High-Resolution Spectrometers at Jefferson Lab
K.G. Fissum, W. Bertozzi, J.P. Chen, D. Dale, H.C. Fenker, J. Gao, A. Gavalya, S. Gilad, C.R. Leathers, N. Liyanage, R.O. Michaels, E.A.J.M. Offermann, J. Segal, J.A. Templon, R. Wechsler, B. Wojtsekhowski and J. Zhao. 2001, Nuclear Instruments and Methods in Physics Research A, 474, 108

conference proceedings

Interpreting SDSS Cluster Masses and Abundances with Mock Catalogs
R. H. Wechsler
in Carnegie Observatories Astrophysics Series, Vol. 3: Clusters of Galaxies: Probes of Cosmological Structure and Galaxy Evolution, ed. J. S. Mulchaey, A. Dressler, and A. Oemler (Pasadena: Carnegie Observatories, http://www.ociw.edu/ociw/symposia/series/symposium3/proceedings.html)
[postscript]
Dark Halo Assembly and Galaxy Formation
R. H. Wechsler
Proceedings of Galaxy Evolution: Theory and Observations, Cozumel, April 2002
[poster (try printing if gv doesn't work)]
The Masses of Lyman Break Galaxies
J.R. Primack, R.H. Wechsler, and R.S. Somerville.
Proceedings of Mass of Galaxies at Low and High Redshift, Venice 2001
[astro-ph/0112504]
Concentration of Dark Matter Halos: Dependence on Mass Accretion History
R. H. Wechsler, J. S. Bullock, J. R. Primack, A. V. Kravtsov, and A. Dekel.
Proceedings of Rencontres Internationales de l'IGRAP, Marseille 2001
[astro-ph/0111069] [ poster (large size)]
Clustering in the Las Campanas Distant Cluster Survey
A. H. Gonzalez, D. Zaritsky, and R. H. Wechsler.
Proceedings of Rencontres Internationales de l'IGRAP, Marseille 2001
[astro-ph/0110337]
Tracing Cosmic Evolution with the Las Campanas Distant Cluster Survey
A. H. Gonzalez,J. J. Dalcanton, A. E. Nelson, L. Simard, D. Zaritsky, and R. H. Wechsler.
Proceedings of Tracing Cosmic Evolution with Galaxy Clusters, Sesto 2001
[astro-ph/0110309]
Clustering of High-Redshift Galaxies: Relating LBGs to Dark Matter Halos
R. H. Wechsler, J. S. Bullock, R. S. Somerville, Ts. Kolatt, J. R. Primack, G. R. Blumenthal, and A. Dekel Proceedings of Rencontres Internationales de l'IGRAP, Clustering at High Redshift, Marseille 1999
[astro-ph/9910359]
Cosmological Implications of Lyman-Break Galaxy Clustering
R. H. Wechsler, M. A. K. Gross, J. R. Primack, G. R. Blumenthal, R. Somerville and A. Dekel. 1998, Proceedings of the 9th Annual October Astrophysics Conference in Maryland, Oct. 1998, ed. S. Holt, E. Smith
[astro-ph/9812368]

dissertation (june 2001)