Stellar mass as a galaxy cluster mass proxy: application to the Dark Energy Survey redMaPPer clusters

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Palmese, A. (author)

Stellar mass as a galaxy cluster mass proxy : application to the Dark Energy Survey redMaPPer clusters

Article/chapterEnglish2020

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2020-02-21
Oxford University Press (OUP),2020
electronicrdacarrier

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LIBRIS-ID:oai:DiVA.org:uu-431904
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-431904URI
https://doi.org/10.1093/mnras/staa526DOI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

Notes

We introduce a galaxy cluster mass observable, μ⋆, based on the stellar masses of cluster members, and we present results for the Dark Energy Survey (DES) Year 1 (Y1) observations. Stellar masses are computed using a Bayesian model averaging method, and are validated for DES data using simulations and COSMOS data. We show that μ⋆ works as a promising mass proxy by comparing our predictions to X-ray measurements. We measure the X-ray temperature–μ⋆ relation for a total of 129 clusters matched between the wide-field DES Y1 redMaPPer catalogue and Chandra and XMM archival observations, spanning the redshift range 0.1 < z < 0.7. For a scaling relation that is linear in logarithmic space, we find a slope of α = 0.488 ± 0.043 and a scatter in the X-ray temperature at fixed μ⋆ of σlnTX|μ⋆=0.266+0.019−0.020 for the joint sample. By using the halo mass scaling relations of the X-ray temperature from the Weighing the Giants program, we further derive the μ⋆-conditioned scatter in mass, finding σlnM|μ⋆=0.26+0.15−0.10⁠. These results are competitive with well-established cluster mass proxies used for cosmological analyses, showing that μ⋆ can be used as a reliable and physically motivated mass proxy to derive cosmological constraints.

Subject headings and genre

NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
surveys
galaxies: clusters: general
galaxies: evolution
galaxies: haloes
cosmology: observations
Astrophysics - Cosmology and Nongalactic Astrophysics

Added entries (persons, corporate bodies, meetings, titles ...)

Annis, J. (author)
Burgad, J. (author)
Farahi, A. (author)
Soares-Santos, M. (author)
Welch, B. (author)
da Silva Pereira, M. (author)
Lin, H. (author)
Bhargava, S. (author)
Hollowood, D. L. (author)
Wilkinson, R. (author)
Giles, P. (author)
Jeltema, T. (author)
Romer, A. K. (author)
Evrard, A. E. (author)
Hilton, M. (author)
Vergara Cervantes, C. (author)
Bermeo, A. (author)
Mayers, J. (author)
DeRose, J. (author)
Gruen, D. (author)
Hartley, W. G. (author)
Lahav, O. (author)
Leistedt, B. (author)
McClintock, T. (author)
Rozo, E. (author)
Rykoff, E. S. (author)
Varga, T. N. (author)
Wechsler, R. H. (author)
Zhang, Y. (author)
Avila, S. (author)
Brooks, D. (author)
Buckley-Geer, E. (author)
Burke, D. L. (author)
Carnero Rosell, A. (author)
Carrasco Kind, M. (author)
Carretero, J. (author)
Castander, F. J. (author)
Collins, C. (author)
da Costa, L. N. (author)
Desai, S. (author)
De Vicente, J. (author)
Diehl, H. T. (author)
Dietrich, J. P. (author)
Doel, P. (author)
Flaugher, B. (author)
Fosalba, P. (author)
Frieman, J. (author)
García-Bellido, J. (author)
Gerdes, D. W. (author)
Gruendl, R. A. (author)
Gschwend, J. (author)
Gutierrez, G. (author)
Honscheid, K. (author)
James, D. J. (author)
Krause, E. (author)
Kuehn, K. (author)
Kuropatkin, N. (author)
Liddle, A. (author)
Lima, M. (author)
Maia, M. A. G. (author)
Mann, R. G. (author)
Marshall, J. L. (author)
Menanteau, F. (author)
Miquel, R. (author)
Ogando, R. L. C. (author)
Plazas, A. A. (author)
Roodman, A. (author)
Rooney, P. (author)
Sahlén, Martin,Associate Professor (docent),1979-Uppsala universitet,Observationell astrofysik(Swepub:uu)marsa668 (author)
Sanchez, E. (author)
Scarpine, V. (author)
Schubnell, M. (author)
Serrano, S. (author)
Sevilla-Noarbe, I. (author)
Sobreira, F. (author)
Stott, J. (author)
Suchyta, E. (author)
Swanson, M. E. C. (author)
Tarle, G. (author)
Thomas, D. (author)
Tucker, D. L. (author)
Viana, P. T. P. (author)
Vikram, V. (author)
Walker, A. R. (author)
Collaboration, D E S (author)
Uppsala universitetObservationell astrofysik (creator_code:org_t)

Related titles

In:\mnras: Oxford University Press (OUP)493:4, s. 4591-4606
In:Monthly Notices of the Royal Astronomical Society: Oxford University Press (OUP)493:4, s. 4591-46060035-87111365-2966

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By the author/editor: Palmese, A.; Annis, J.; Burgad, J.; Farahi, A.; Soares-Santos, M ...; Welch, B.; show more...; da Silva Pereira ...; Lin, H.; Bhargava, S.; Hollowood, D. L.; Wilkinson, R.; Giles, P.; Jeltema, T.; Romer, A. K.; Evrard, A. E.; Hilton, M.; Vergara Cervante ...; Bermeo, A.; Mayers, J.; DeRose, J.; Gruen, D.; Hartley, W. G.; Lahav, O.; Leistedt, B.; McClintock, T.; Rozo, E.; Rykoff, E. S.; Varga, T. N.; Wechsler, R. H.; Zhang, Y.; Avila, S.; Brooks, D.; Buckley-Geer, E.; Burke, D. L.; Carnero Rosell, ...; Carrasco Kind, M ...; Carretero, J.; Castander, F. J.; Collins, C.; da Costa, L. N.; Desai, S.; De Vicente, J.; Diehl, H. T.; Dietrich, J. P.; Doel, P.; Flaugher, B.; Fosalba, P.; Frieman, J.; García-Bellido, ...; Gerdes, D. W.; Gruendl, R. A.; Gschwend, J.; Gutierrez, G.; Honscheid, K.; James, D. J.; Krause, E.; Kuehn, K.; Kuropatkin, N.; Liddle, A.; Lima, M.; Maia, M. A. G.; Mann, R. G.; Marshall, J. L.; Menanteau, F.; Miquel, R.; Ogando, R. L. C.; Plazas, A. A.; Roodman, A.; Rooney, P.; Sahlén, Martin, ...; Sanchez, E.; Scarpine, V.; Schubnell, M.; Serrano, S.; Sevilla-Noarbe, ...; Sobreira, F.; Stott, J.; Suchyta, E.; Swanson, M. E. C ...; Tarle, G.; Thomas, D.; Tucker, D. L.; Viana, P. T. P.; Vikram, V.; Walker, A. R.; Collaboration, D ...; show less...

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