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  μ⋆ masses: weak-lensing calibration of the Dark Energy Survey Year 1 redMaPPer clusters using stellar masses

Pereira, M. E. S., Palmese, A., Varga, T. N., McClintock, T., Soares-Santos, M., Burgad, J., et al. (2020). μ⋆ masses: weak-lensing calibration of the Dark Energy Survey Year 1 redMaPPer clusters using stellar masses. Monthly Notices of the Royal Astronomical Society, 498(4), 5450-5467. doi:10.1093/mnras/staa2687.

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Pereira, M. E. S., Author
Palmese, A., Author
Varga, T. N.1, Author              
McClintock, T., Author
Soares-Santos, M., Author
Burgad, J., Author
Annis, J., Author
Farahi, A., Author
Lin, H., Author
Choi, A., Author
DeRose, J., Author
Esteves, J., Author
Gatti, M., Author
Gruen, D., Author
Hartley, W. G., Author
Hoyle, B.1, Author              
Jeltema, T., Author
MacCrann, N., Author
Roodman, A., Author
Sanchez, C., Author
Shin, T., Authorvon der Linden, A., AuthorZuntz, J., AuthorAbbott, T. M. C., AuthorAguena, M., AuthorAvila, S., AuthorBertin, E., AuthorBhargava, S., AuthorBridle, S. L., AuthorBrooks, D., AuthorBurke, D. L., AuthorRosell, A. Carnero, AuthorKind, M. Carrasco, AuthorCarretero, J., AuthorCostanzi, M., Authorda Costa, L. N., AuthorDesai, S., AuthorDiehl, H. T., AuthorDietrich, J. P., AuthorDoel, P., AuthorEstrada, J., AuthorEverett, S., AuthorFlaugher, B., AuthorFosalba, P., AuthorFrieman, J., AuthorGarcia-Bellido, J., AuthorGaztanaga, E., AuthorGerdes, D. W., AuthorGruendl, R. A., AuthorGschwend, J., AuthorGutierrez, G., AuthorHinton, S. R., AuthorHollowood, D. L., AuthorHonscheid, K., AuthorJames, D. J., AuthorKuehn, K., AuthorKuropatkin, N., AuthorLahav, O., AuthorLima, M., AuthorMaia, M. A. G., AuthorMarch, M., AuthorMarshall, J. L., AuthorMelchior, P., AuthorMenanteau, F., AuthorMiquel, R., AuthorOgando, R. L. C., AuthorPaz-Chinchon, F., AuthorPlazas, A. A., AuthorRomer, A. K., AuthorSanchez, E., AuthorScarpine, V., AuthorSchubnell, M., AuthorSerrano, S., AuthorSevilla-Noarbe, I., AuthorSmith, M., AuthorSuchyta, E., AuthorSwanson, M. E. C., AuthorTarle, G., AuthorWechsler, R. H., AuthorWeller, J., AuthorZhang, Y., Author more..
Affiliations:
1Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159895              

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 Abstract: We present the weak-lensing mass calibration of the stellar-mass-based μ⋆ mass proxy for redMaPPer galaxy clusters in the Dark Energy Survey Year 1. For the first time, we are able to perform a calibration of μ⋆ at high redshifts, z > 0.33. In a blinded analysis, we use ∼6000 clusters split into 12 subsets spanning the ranges 0.1 ≤ z < 0.65 and μ⋆ up to ∼5.5×1013M⁠, and infer the average masses of these subsets through modelling of their stacked weak-lensing signal. In our model, we account for the following sources of systematic uncertainty: shear measurement and photometric redshift errors, miscentring, cluster-member contamination of the source sample, deviations from the Navarro–Frenk–White halo profile, halo triaxiality, and projection effects. We use the inferred masses to estimate the joint mass–μ⋆–z scaling relation given by ⟨M200c|μ⋆,z⟩=M0(μ⋆/5.16×1012M)Fμ⋆((1+z)/1.35)Gz⁠. We find M0=(1.14±0.07)×1014M with Fμ⋆=0.76±0.06 and Gz = −1.14 ± 0.37. We discuss the use of μ⋆ as a complementary mass proxy to the well-studied richness λ for: (i) exploring the regimes of low z, λ < 20 and high λ, z ∼ 1; and (ii) testing systematics such as projection effects for applications in cluster cosmology.

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 Dates: 2020-09-07
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1093/mnras/staa2687
Other: LOCALID: 3286284
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Title: Monthly Notices of the Royal Astronomical Society
  Other : Mon. Not. R. Astron. Soc.
Source Genre: Journal
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Publ. Info: Oxford : Oxford University Press
Pages: - Volume / Issue: 498 (4) Sequence Number: - Start / End Page: 5450 - 5467 Identifier: ISSN: 1365-8711
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000024150