Mass and galaxy distributions of four massive galaxy clusters from Dark Energy Survey Science Verification data
Abstract
Here, we measure the weak-lensing masses and galaxy distributions of four massive galaxy clusters observed during the Science Verification phase of the Dark Energy Survey. This pathfinder study is meant to 1) validate the DECam imager for the task of measuring weak-lensing shapes, and 2) utilize DECam's large field of view to map out the clusters and their environments over 90 arcmin. We conduct a series of rigorous tests on astrometry, photometry, image quality, PSF modeling, and shear measurement accuracy to single out flaws in the data and also to identify the optimal data processing steps and parameters. We find Science Verification data from DECam to be suitable for the lensing analysis described in this paper. The PSF is generally well-behaved, but the modeling is rendered difficult by a flux-dependent PSF width and ellipticity. We employ photometric redshifts to distinguish between foreground and background galaxies, and a red-sequence cluster finder to provide cluster richness estimates and cluster-galaxy distributions. By fitting NFW profiles to the clusters in this study, we determine weak-lensing masses that are in agreement with previous work. For Abell 3261, we provide the first estimates of redshift, weak-lensing mass, and richness. In addition, the cluster-galaxy distributions indicate themore »
- Authors:
-
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- The Ohio State Univ., Columbus, OH (United States)
- Univ. College London, London (United Kingdom)
- Univ. of Manchester, Manchester (United Kingdom)
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Univ. Observatory Munich, Munich (Germany)
- Univ. of Pennsylvania, Philadelphia, PA (United States)
- Univ. of Portsmouth, Portsmouth (United Kingdom)
- Univ. of Chicago, Chicago, IL (United States)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Cerro Tololo Inter-American Observatory, National Optical Astronomy Observatory, La Serena (Chile)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Space Telescope Science Institute, Baltimore, MD (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Carnegie Observatories, Pasadena, CA (United States)
- Univ. Pierre et Marie Curie, Paris (France)
- SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
- Institut de Ciencies de l'Espai, Barcelona (Spain)
- Observatorio Nacional, Rio de Janeiro (Brazil); Lab. Interinstitucional de e-Astronomia, Rio de Janeiro (Brazil)
- Stanford Univ., Stanford, CA (United States)
- Texas A & M Univ., College Station, TX (United States)
- Ludwig Maximilian Univ., Munich (Germany); Excellence Cluster Universe, Garching (Germany)
- Univ. Pierre et Marie Curie, Paris (France); Univ. of Michigan, Ann Arbor, MI (United States)
- Lab. Interinstitucional de e-Astronomia, Rio de Janeiro (Brazil)
- Univ. Autonoma de Barcelona, Barcelona (Spain)
- Univ. of Chicago, Chicago, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Univ. of Michigan, Ann Arbor, MI (United States)
- Univ. of Illinois, Urbana, IL (United States); National Center for Supercomputing Applications, Urbana, IL (United States)
- Univ. of Illinois, Urbana, IL (United States)
- Australian Astronomical Observatory (Australia)
- Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro (Brazil)
- Univ. Autonoma de Barcelona, Barcelona (Spain); Institucio Catalana de Recerca i Estudis Avancats, Barcelona (Spain)
- Ludwig Maximilian Univ., Munich (Germany)
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Centro de Investigaciones Energeticas, Madrid (Spain)
- Lab. Interinstitucional de e-Astronomia, Rio de Janeiro (Brazil); Instituto de Fisica, Port Alegre (Brazil)
- National Center for Supercomputing Applications, Urbana, IL (United States)
- Univ. of Portsmouth, Portsmouth (United Kingdom); South East Physics Network (United Kingdom)
- Univ. Observatory Munich, Munich (Germany); Max Planck Institute for Extraterrestrial Physics; Garching (Germany); Excellence Cluster Universe, Garching (Germany)
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- DES Collaboration
- OSTI Identifier:
- 1201361
- Alternate Identifier(s):
- OSTI ID: 1335076
- Report Number(s):
- BNL-108181-2015-JA; SLAC-PUB-16759
Journal ID: ISSN 0035-8711; KA2301020
- Grant/Contract Number:
- SC00112704; AC02-76SF00515
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Monthly Notices of the Royal Astronomical Society
- Additional Journal Information:
- Journal Volume: 449; Journal Issue: 3; Journal ID: ISSN 0035-8711
- Publisher:
- Royal Astronomical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; cosmology: observations; gravitational lensing: weak; galaxies: clusters: individual: RXC J2248.7-4331; galaxies: clusters: individual: 1E 0657-56: galaxies clusters: individual: SCSO J23327-535827; galaxies clusters: individual: Abell 3261; astrophysics; ASTRO; galaxies: clusters: individual: RXC J2248.7-4431; galaxies: clusters: individuals: 1E 0657-56: galaxies: clusters: individual: SCSO J233227-535827; galaxies: clusters: individual: Abell 3261
Citation Formats
Melchior, P., Suchyta, E., Huff, E., Hirsch, M., Kacprzak, T., Rykoff, E., Gruen, D., Armstrong, R., Bacon, D., Bechtol, K., Bernstein, G. M., Bridle, S., Clampitt, J., Honscheid, K., Jain, B., Jouvel, S., Krause, E., Lin, H., MacCrann, N., Patton, K., Plazas, A., Rowe, B., Vikram, V., Wilcox, H., Young, J., Zuntz, J., Abbott, T., Abdalla, F. B., Allam, S. S., Banerji, M., Bernstein, J. P., Bernstein, R. A., Bertin, E., Buckley-Geer, E., Burke, D. L., Castander, F. J., da Costa, L. N., Cunha, C. E., Depoy, D. L., Desai, S., Diehl, H. T., Doel, P., Estrada, J., Evrard, A. E., Neto, A. F., Fernandez, E., Finley, D. A., Flaugher, B., Frieman, J. A., Gaztanaga, E., Gerdes, D., Gruendl, R. A., Gutierrez, G. R., Jarvis, M., Karliner, I., Kent, S., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., Makler, M., Marriner, J., Marshall, J. L., Merritt, K. W., Miller, C. J., Miquel, R., Mohr, J., Neilsen, E., Nichol, R. C., Nord, B. D., Reil, K., Roe, N. A., Roodman, A., Sako, M., Sanchez, E., Santiago, B. X., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Sheldon, E., Smith, C., Soares-Santos, M., Swanson, M. E. C., Sypniewski, A. J., Tarle, G., Thaler, J., Thomas, D., Tucker, D. L., Walker, A., Wechsler, R., Weller, J., and Wester, W. Mass and galaxy distributions of four massive galaxy clusters from Dark Energy Survey Science Verification data. United States: N. p., 2015.
Web. doi:10.1093/mnras/stv398.
Melchior, P., Suchyta, E., Huff, E., Hirsch, M., Kacprzak, T., Rykoff, E., Gruen, D., Armstrong, R., Bacon, D., Bechtol, K., Bernstein, G. M., Bridle, S., Clampitt, J., Honscheid, K., Jain, B., Jouvel, S., Krause, E., Lin, H., MacCrann, N., Patton, K., Plazas, A., Rowe, B., Vikram, V., Wilcox, H., Young, J., Zuntz, J., Abbott, T., Abdalla, F. B., Allam, S. S., Banerji, M., Bernstein, J. P., Bernstein, R. A., Bertin, E., Buckley-Geer, E., Burke, D. L., Castander, F. J., da Costa, L. N., Cunha, C. E., Depoy, D. L., Desai, S., Diehl, H. T., Doel, P., Estrada, J., Evrard, A. E., Neto, A. F., Fernandez, E., Finley, D. A., Flaugher, B., Frieman, J. A., Gaztanaga, E., Gerdes, D., Gruendl, R. A., Gutierrez, G. R., Jarvis, M., Karliner, I., Kent, S., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., Makler, M., Marriner, J., Marshall, J. L., Merritt, K. W., Miller, C. J., Miquel, R., Mohr, J., Neilsen, E., Nichol, R. C., Nord, B. D., Reil, K., Roe, N. A., Roodman, A., Sako, M., Sanchez, E., Santiago, B. X., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Sheldon, E., Smith, C., Soares-Santos, M., Swanson, M. E. C., Sypniewski, A. J., Tarle, G., Thaler, J., Thomas, D., Tucker, D. L., Walker, A., Wechsler, R., Weller, J., & Wester, W. Mass and galaxy distributions of four massive galaxy clusters from Dark Energy Survey Science Verification data. United States. https://doi.org/10.1093/mnras/stv398
Melchior, P., Suchyta, E., Huff, E., Hirsch, M., Kacprzak, T., Rykoff, E., Gruen, D., Armstrong, R., Bacon, D., Bechtol, K., Bernstein, G. M., Bridle, S., Clampitt, J., Honscheid, K., Jain, B., Jouvel, S., Krause, E., Lin, H., MacCrann, N., Patton, K., Plazas, A., Rowe, B., Vikram, V., Wilcox, H., Young, J., Zuntz, J., Abbott, T., Abdalla, F. B., Allam, S. S., Banerji, M., Bernstein, J. P., Bernstein, R. A., Bertin, E., Buckley-Geer, E., Burke, D. L., Castander, F. J., da Costa, L. N., Cunha, C. E., Depoy, D. L., Desai, S., Diehl, H. T., Doel, P., Estrada, J., Evrard, A. E., Neto, A. F., Fernandez, E., Finley, D. A., Flaugher, B., Frieman, J. A., Gaztanaga, E., Gerdes, D., Gruendl, R. A., Gutierrez, G. R., Jarvis, M., Karliner, I., Kent, S., Kuehn, K., Kuropatkin, N., Lahav, O., Maia, M. A. G., Makler, M., Marriner, J., Marshall, J. L., Merritt, K. W., Miller, C. J., Miquel, R., Mohr, J., Neilsen, E., Nichol, R. C., Nord, B. D., Reil, K., Roe, N. A., Roodman, A., Sako, M., Sanchez, E., Santiago, B. X., Schindler, R., Schubnell, M., Sevilla-Noarbe, I., Sheldon, E., Smith, C., Soares-Santos, M., Swanson, M. E. C., Sypniewski, A. J., Tarle, G., Thaler, J., Thomas, D., Tucker, D. L., Walker, A., Wechsler, R., Weller, J., and Wester, W. 2015.
"Mass and galaxy distributions of four massive galaxy clusters from Dark Energy Survey Science Verification data". United States. https://doi.org/10.1093/mnras/stv398. https://www.osti.gov/servlets/purl/1201361.
@article{osti_1201361,
title = {Mass and galaxy distributions of four massive galaxy clusters from Dark Energy Survey Science Verification data},
author = {Melchior, P. and Suchyta, E. and Huff, E. and Hirsch, M. and Kacprzak, T. and Rykoff, E. and Gruen, D. and Armstrong, R. and Bacon, D. and Bechtol, K. and Bernstein, G. M. and Bridle, S. and Clampitt, J. and Honscheid, K. and Jain, B. and Jouvel, S. and Krause, E. and Lin, H. and MacCrann, N. and Patton, K. and Plazas, A. and Rowe, B. and Vikram, V. and Wilcox, H. and Young, J. and Zuntz, J. and Abbott, T. and Abdalla, F. B. and Allam, S. S. and Banerji, M. and Bernstein, J. P. and Bernstein, R. A. and Bertin, E. and Buckley-Geer, E. and Burke, D. L. and Castander, F. J. and da Costa, L. N. and Cunha, C. E. and Depoy, D. L. and Desai, S. and Diehl, H. T. and Doel, P. and Estrada, J. and Evrard, A. E. and Neto, A. F. and Fernandez, E. and Finley, D. A. and Flaugher, B. and Frieman, J. A. and Gaztanaga, E. and Gerdes, D. and Gruendl, R. A. and Gutierrez, G. R. and Jarvis, M. and Karliner, I. and Kent, S. and Kuehn, K. and Kuropatkin, N. and Lahav, O. and Maia, M. A. G. and Makler, M. and Marriner, J. and Marshall, J. L. and Merritt, K. W. and Miller, C. J. and Miquel, R. and Mohr, J. and Neilsen, E. and Nichol, R. C. and Nord, B. D. and Reil, K. and Roe, N. A. and Roodman, A. and Sako, M. and Sanchez, E. and Santiago, B. X. and Schindler, R. and Schubnell, M. and Sevilla-Noarbe, I. and Sheldon, E. and Smith, C. and Soares-Santos, M. and Swanson, M. E. C. and Sypniewski, A. J. and Tarle, G. and Thaler, J. and Thomas, D. and Tucker, D. L. and Walker, A. and Wechsler, R. and Weller, J. and Wester, W.},
abstractNote = {Here, we measure the weak-lensing masses and galaxy distributions of four massive galaxy clusters observed during the Science Verification phase of the Dark Energy Survey. This pathfinder study is meant to 1) validate the DECam imager for the task of measuring weak-lensing shapes, and 2) utilize DECam's large field of view to map out the clusters and their environments over 90 arcmin. We conduct a series of rigorous tests on astrometry, photometry, image quality, PSF modeling, and shear measurement accuracy to single out flaws in the data and also to identify the optimal data processing steps and parameters. We find Science Verification data from DECam to be suitable for the lensing analysis described in this paper. The PSF is generally well-behaved, but the modeling is rendered difficult by a flux-dependent PSF width and ellipticity. We employ photometric redshifts to distinguish between foreground and background galaxies, and a red-sequence cluster finder to provide cluster richness estimates and cluster-galaxy distributions. By fitting NFW profiles to the clusters in this study, we determine weak-lensing masses that are in agreement with previous work. For Abell 3261, we provide the first estimates of redshift, weak-lensing mass, and richness. In addition, the cluster-galaxy distributions indicate the presence of filamentary structures attached to 1E 0657-56 and RXC J2248.7-4431, stretching out as far as 1 °(approximately 20 Mpc), showcasing the potential of DECam and DES for detailed studies of degree-scale features on the sky.},
doi = {10.1093/mnras/stv398},
url = {https://www.osti.gov/biblio/1201361},
journal = {Monthly Notices of the Royal Astronomical Society},
issn = {0035-8711},
number = 3,
volume = 449,
place = {United States},
year = {Tue Mar 31 00:00:00 EDT 2015},
month = {Tue Mar 31 00:00:00 EDT 2015}
}
Web of Science
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