The Dark Energy Survey Data Release 2
Abstract
In this work, we present the second public data release of the Dark Energy Survey, DES DR2, based on optical/near-infrared imaging by the Dark Energy Camera mounted on the 4 m Blanco telescope at Cerro Tololo Inter-American Observatory in Chile. DES DR2 consists of reduced single-epoch and coadded images, a source catalog derived from coadded images, and associated data products assembled from 6 yr of DES science operations. This release includes data from the DES wide-area survey covering ~5000 deg2 of the southern Galactic cap in five broad photometric bands, grizY. DES DR2 has a median delivered point-spread function FWHM of g = 1.11'', r = 0.95'', i = 0.88'', z = 0.83'', and Y = 0farcs90, photometric uniformity with a standard deviation of < 3 mmag with respect to Gaia DR2 G band, a photometric accuracy of ~11 mmag, and a median internal astrometric precision of ~27 mas. The median coadded catalog depth for a 1farcs95 diameter aperture at signal-to-noise ratio = 10 is g = 24.7, r = 24.4, i = 23.8, z = 23.1, and Y = 21.7 mag. DES DR2 includes ~691 million distinct astronomical objects detected in 10,169 coadded image tiles of size 0.534 deg2more »
- Authors:
- more »
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Univ. of Michigan, Ann Arbor, MI (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR); USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Contributing Org.:
- Linea Science Server
- OSTI Identifier:
- 1817422
- Alternate Identifier(s):
- OSTI ID: 1819698; OSTI ID: 1821219; OSTI ID: 1824190; OSTI ID: 1872947
- Report Number(s):
- FERMILAB-PUB-21-004-AE; DES-2020-0630; arXiv:2101.05765
Journal ID: ISSN 0067-0049; TRN: US2213796
- Grant/Contract Number:
- AC05-00OR22725; AC02-76SF00515; AC02-06CH11357; AC02-07CH11359; SC0019193
- Resource Type:
- Accepted Manuscript
- Journal Name:
- The Astrophysical Journal. Supplement Series
- Additional Journal Information:
- Journal Volume: 255; Journal Issue: 2; Journal ID: ISSN 0067-0049
- Publisher:
- IOP Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 79 ASTRONOMY AND ASTROPHYSICS; dark energy; cosmology; extragalactic astronomy; surveys; redshift surveys; optical astronomy; near infrared astronomy
Citation Formats
Abbott, T. C., Adamów, M., Aguena, M., Allam, S., Amon, A., Annis, J., Avila, S., Bacon, D., Banerji, M., Bechtol, K., Becker, M. R., Bernstein, G. M., Bertin, E., Bhargava, S., Bridle, S. L., Brooks, D., Burke, D. L., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Castander, F. J., Cawthon, R., Chang, C., Choi, A., Conselice, C., Costanzi, M., Crocce, M., da Costa, L. N., Davis, T. M., De Vicente, J., DeRose, J., Desai, S., Diehl, H. T., Dietrich, J. P., Drlica-Wagner, A., Eckert, K., Elvin-Poole, J., Everett, S., Evrard, A. E., Ferrero, I., Ferté, A., Flaugher, B., Fosalba, P., Friedel, D., Frieman, J., García-Bellido, J., Gaztanaga, E., Gelman, L., Gerdes, D. W., Giannantonio, T., Gill, M. S., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Hartley, W. G., Hinton, S. R., Hollowood, D. L., Honscheid, K., Huterer, D., James, D. J., Jeltema, T., Johnson, M. D., Kent, S., Kron, R., Kuehn, K., Kuropatkin, N., Lahav, O., Li, T. S., Lidman, C., Lin, H., MacCrann, N., Maia, M. G., Manning, T. A., Maloney, J. D., March, M., Marshall, J. L., Martini, P., Melchior, P., Menanteau, F., Miquel, R., Morgan, R., Myles, J., Neilsen, E., Ogando, R. C., Palmese, A., Paz-Chinchón, F., Petravick, D., Pieres, A., Plazas, A. A., Pond, C., Rodriguez-Monroy, M., Romer, A. K., Roodman, A., Rykoff, E. S., Sako, M., Sanchez, E., Santiago, B., Scarpine, V., Serrano, S., Sevilla-Noarbe, I., Smith, J. Allyn, Smith, M., Soares-Santos, M., Suchyta, E., Swanson, M. C., Tarle, G., Thomas, D., To, C., Tremblay, P. E., Troxel, M. A., Tucker, D. L., Turner, D. J., Varga, T. N., Walker, A. R., Wechsler, R. H., Weller, J., Wester, W., Wilkinson, R. D., Yanny, B., Zhang, Y., Nikutta, R., Fitzpatrick, M., Jacques, A., Scott, A., Olsen, K., Huang, L., Herrera, D., Juneau, S., Nidever, D., Weaver, B. A., Adean, C., Correia, V., de Freitas, M., Freitas, F. N., Singulani, C., and Vila-Verde, G. The Dark Energy Survey Data Release 2. United States: N. p., 2021.
Web. doi:10.3847/1538-4365/ac00b3.
Abbott, T. C., Adamów, M., Aguena, M., Allam, S., Amon, A., Annis, J., Avila, S., Bacon, D., Banerji, M., Bechtol, K., Becker, M. R., Bernstein, G. M., Bertin, E., Bhargava, S., Bridle, S. L., Brooks, D., Burke, D. L., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Castander, F. J., Cawthon, R., Chang, C., Choi, A., Conselice, C., Costanzi, M., Crocce, M., da Costa, L. N., Davis, T. M., De Vicente, J., DeRose, J., Desai, S., Diehl, H. T., Dietrich, J. P., Drlica-Wagner, A., Eckert, K., Elvin-Poole, J., Everett, S., Evrard, A. E., Ferrero, I., Ferté, A., Flaugher, B., Fosalba, P., Friedel, D., Frieman, J., García-Bellido, J., Gaztanaga, E., Gelman, L., Gerdes, D. W., Giannantonio, T., Gill, M. S., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Hartley, W. G., Hinton, S. R., Hollowood, D. L., Honscheid, K., Huterer, D., James, D. J., Jeltema, T., Johnson, M. D., Kent, S., Kron, R., Kuehn, K., Kuropatkin, N., Lahav, O., Li, T. S., Lidman, C., Lin, H., MacCrann, N., Maia, M. G., Manning, T. A., Maloney, J. D., March, M., Marshall, J. L., Martini, P., Melchior, P., Menanteau, F., Miquel, R., Morgan, R., Myles, J., Neilsen, E., Ogando, R. C., Palmese, A., Paz-Chinchón, F., Petravick, D., Pieres, A., Plazas, A. A., Pond, C., Rodriguez-Monroy, M., Romer, A. K., Roodman, A., Rykoff, E. S., Sako, M., Sanchez, E., Santiago, B., Scarpine, V., Serrano, S., Sevilla-Noarbe, I., Smith, J. Allyn, Smith, M., Soares-Santos, M., Suchyta, E., Swanson, M. C., Tarle, G., Thomas, D., To, C., Tremblay, P. E., Troxel, M. A., Tucker, D. L., Turner, D. J., Varga, T. N., Walker, A. R., Wechsler, R. H., Weller, J., Wester, W., Wilkinson, R. D., Yanny, B., Zhang, Y., Nikutta, R., Fitzpatrick, M., Jacques, A., Scott, A., Olsen, K., Huang, L., Herrera, D., Juneau, S., Nidever, D., Weaver, B. A., Adean, C., Correia, V., de Freitas, M., Freitas, F. N., Singulani, C., & Vila-Verde, G. The Dark Energy Survey Data Release 2. United States. https://doi.org/10.3847/1538-4365/ac00b3
Abbott, T. C., Adamów, M., Aguena, M., Allam, S., Amon, A., Annis, J., Avila, S., Bacon, D., Banerji, M., Bechtol, K., Becker, M. R., Bernstein, G. M., Bertin, E., Bhargava, S., Bridle, S. L., Brooks, D., Burke, D. L., Carnero Rosell, A., Carrasco Kind, M., Carretero, J., Castander, F. J., Cawthon, R., Chang, C., Choi, A., Conselice, C., Costanzi, M., Crocce, M., da Costa, L. N., Davis, T. M., De Vicente, J., DeRose, J., Desai, S., Diehl, H. T., Dietrich, J. P., Drlica-Wagner, A., Eckert, K., Elvin-Poole, J., Everett, S., Evrard, A. E., Ferrero, I., Ferté, A., Flaugher, B., Fosalba, P., Friedel, D., Frieman, J., García-Bellido, J., Gaztanaga, E., Gelman, L., Gerdes, D. W., Giannantonio, T., Gill, M. S., Gruen, D., Gruendl, R. A., Gschwend, J., Gutierrez, G., Hartley, W. G., Hinton, S. R., Hollowood, D. L., Honscheid, K., Huterer, D., James, D. J., Jeltema, T., Johnson, M. D., Kent, S., Kron, R., Kuehn, K., Kuropatkin, N., Lahav, O., Li, T. S., Lidman, C., Lin, H., MacCrann, N., Maia, M. G., Manning, T. A., Maloney, J. D., March, M., Marshall, J. L., Martini, P., Melchior, P., Menanteau, F., Miquel, R., Morgan, R., Myles, J., Neilsen, E., Ogando, R. C., Palmese, A., Paz-Chinchón, F., Petravick, D., Pieres, A., Plazas, A. A., Pond, C., Rodriguez-Monroy, M., Romer, A. K., Roodman, A., Rykoff, E. S., Sako, M., Sanchez, E., Santiago, B., Scarpine, V., Serrano, S., Sevilla-Noarbe, I., Smith, J. Allyn, Smith, M., Soares-Santos, M., Suchyta, E., Swanson, M. C., Tarle, G., Thomas, D., To, C., Tremblay, P. E., Troxel, M. A., Tucker, D. L., Turner, D. J., Varga, T. N., Walker, A. R., Wechsler, R. H., Weller, J., Wester, W., Wilkinson, R. D., Yanny, B., Zhang, Y., Nikutta, R., Fitzpatrick, M., Jacques, A., Scott, A., Olsen, K., Huang, L., Herrera, D., Juneau, S., Nidever, D., Weaver, B. A., Adean, C., Correia, V., de Freitas, M., Freitas, F. N., Singulani, C., and Vila-Verde, G. Tue .
"The Dark Energy Survey Data Release 2". United States. https://doi.org/10.3847/1538-4365/ac00b3. https://www.osti.gov/servlets/purl/1817422.
@article{osti_1817422,
title = {The Dark Energy Survey Data Release 2},
author = {Abbott, T. C. and Adamów, M. and Aguena, M. and Allam, S. and Amon, A. and Annis, J. and Avila, S. and Bacon, D. and Banerji, M. and Bechtol, K. and Becker, M. R. and Bernstein, G. M. and Bertin, E. and Bhargava, S. and Bridle, S. L. and Brooks, D. and Burke, D. L. and Carnero Rosell, A. and Carrasco Kind, M. and Carretero, J. and Castander, F. J. and Cawthon, R. and Chang, C. and Choi, A. and Conselice, C. and Costanzi, M. and Crocce, M. and da Costa, L. N. and Davis, T. M. and De Vicente, J. and DeRose, J. and Desai, S. and Diehl, H. T. and Dietrich, J. P. and Drlica-Wagner, A. and Eckert, K. and Elvin-Poole, J. and Everett, S. and Evrard, A. E. and Ferrero, I. and Ferté, A. and Flaugher, B. and Fosalba, P. and Friedel, D. and Frieman, J. and García-Bellido, J. and Gaztanaga, E. and Gelman, L. and Gerdes, D. W. and Giannantonio, T. and Gill, M. S. and Gruen, D. and Gruendl, R. A. and Gschwend, J. and Gutierrez, G. and Hartley, W. G. and Hinton, S. R. and Hollowood, D. L. and Honscheid, K. and Huterer, D. and James, D. J. and Jeltema, T. and Johnson, M. D. and Kent, S. and Kron, R. and Kuehn, K. and Kuropatkin, N. and Lahav, O. and Li, T. S. and Lidman, C. and Lin, H. and MacCrann, N. and Maia, M. G. and Manning, T. A. and Maloney, J. D. and March, M. and Marshall, J. L. and Martini, P. and Melchior, P. and Menanteau, F. and Miquel, R. and Morgan, R. and Myles, J. and Neilsen, E. and Ogando, R. C. and Palmese, A. and Paz-Chinchón, F. and Petravick, D. and Pieres, A. and Plazas, A. A. and Pond, C. and Rodriguez-Monroy, M. and Romer, A. K. and Roodman, A. and Rykoff, E. S. and Sako, M. and Sanchez, E. and Santiago, B. and Scarpine, V. and Serrano, S. and Sevilla-Noarbe, I. and Smith, J. Allyn and Smith, M. and Soares-Santos, M. and Suchyta, E. and Swanson, M. C. and Tarle, G. and Thomas, D. and To, C. and Tremblay, P. E. and Troxel, M. A. and Tucker, D. L. and Turner, D. J. and Varga, T. N. and Walker, A. R. and Wechsler, R. H. and Weller, J. and Wester, W. and Wilkinson, R. D. and Yanny, B. and Zhang, Y. and Nikutta, R. and Fitzpatrick, M. and Jacques, A. and Scott, A. and Olsen, K. and Huang, L. and Herrera, D. and Juneau, S. and Nidever, D. and Weaver, B. A. and Adean, C. and Correia, V. and de Freitas, M. and Freitas, F. N. and Singulani, C. and Vila-Verde, G.},
abstractNote = {In this work, we present the second public data release of the Dark Energy Survey, DES DR2, based on optical/near-infrared imaging by the Dark Energy Camera mounted on the 4 m Blanco telescope at Cerro Tololo Inter-American Observatory in Chile. DES DR2 consists of reduced single-epoch and coadded images, a source catalog derived from coadded images, and associated data products assembled from 6 yr of DES science operations. This release includes data from the DES wide-area survey covering ~5000 deg2 of the southern Galactic cap in five broad photometric bands, grizY. DES DR2 has a median delivered point-spread function FWHM of g = 1.11'', r = 0.95'', i = 0.88'', z = 0.83'', and Y = 0farcs90, photometric uniformity with a standard deviation of < 3 mmag with respect to Gaia DR2 G band, a photometric accuracy of ~11 mmag, and a median internal astrometric precision of ~27 mas. The median coadded catalog depth for a 1farcs95 diameter aperture at signal-to-noise ratio = 10 is g = 24.7, r = 24.4, i = 23.8, z = 23.1, and Y = 21.7 mag. DES DR2 includes ~691 million distinct astronomical objects detected in 10,169 coadded image tiles of size 0.534 deg2 produced from 76,217 single-epoch images. After a basic quality selection, benchmark galaxy and stellar samples contain 543 million and 145 million objects, respectively. These data are accessible through several interfaces, including interactive image visualization tools, web-based query clients, image cutout servers, and Jupyter notebooks. DES DR2 constitutes the largest photometric data set to date at the achieved depth and photometric precision.},
doi = {10.3847/1538-4365/ac00b3},
journal = {The Astrophysical Journal. Supplement Series},
number = 2,
volume = 255,
place = {United States},
year = {Tue Jul 27 00:00:00 EDT 2021},
month = {Tue Jul 27 00:00:00 EDT 2021}
}
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The Seventh data Release of the Sloan Digital sky Survey
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A scheme to deal accurately and efficiently with complex angular masks in galaxy surveys
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Measuring Reddening with Sloan Digital sky Survey Stellar Spectra and Recalibrating sfd
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Spectroscopic analysis of DA white dwarfs with 3D model atmospheres
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Mosaic3: a red-sensitive upgrade for the prime focus camera at the Mayall 4m telescope
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Matplotlib: A 2D Graphics Environment
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Absolute Spectral Energy Distributions for White Dwarfs
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Noise from undetected sources in Dark Energy Survey images
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White-dwarf-based evaluation of the GALEX absolute calibration
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First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters
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Toward a Network of Faint da White Dwarfs as High-Precision Spectrophotometric Standards
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The 13th Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey Mapping Nearby Galaxies at Apache Point Observatory
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