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Measurement of the splashback feature around SZ-selected Galaxy clusters with DES, SPT, and ACT

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Measurement of the splashback feature around SZ-selected Galaxy clusters with DES, SPT, and ACT. / Shin, T.; Adhikari, S.; Baxter, E. J.; Chang, C.; Jain, B.; Battaglia, N.; Bleem, L.; Bocquet, S.; DeRose, J.; Gruen, D.; Hilton, M.; Kravtsov, A.; McClintock, T.; Rozo, E.; Rykoff, E. S.; Varga, T. N.; Wechsler, R. H.; Wu, H.; Zhang, Z.; Aiola, S.; Allam, S.; Bechtol, K.; Benson, B. A.; Bertin, E.; Bond, J. R.; Brodwin, M.; Brooks, D.; Buckley-Geer, E.; Burke, D. L.; Carlstrom, J. E.; Rosell, A. Carnero; Kind, M. Carrasco; Carretero, J.; Castander, F. J.; Choi, S. K.; Cunha, C. E.; Crawford, T. M.; Da Costa, L. N.; De Vicente, J.; Desai, S.; Devlin, M. J.; Dietrich, J. P.; Doel, P.; Dunkley, J.; Eifler, T. F.; Evrard, A. E.; Flaugher, B.; Fosalba, P.; Gallardo, P. A.; Thomas, D.

In: Monthly Notices of the Royal Astronomical Society, Vol. 487, No. 2, 01.08.2019, p. 2900-2918.

Research output: Contribution to journalArticle

Harvard

Shin, T, Adhikari, S, Baxter, EJ, Chang, C, Jain, B, Battaglia, N, Bleem, L, Bocquet, S, DeRose, J, Gruen, D, Hilton, M, Kravtsov, A, McClintock, T, Rozo, E, Rykoff, ES, Varga, TN, Wechsler, RH, Wu, H, Zhang, Z, Aiola, S, Allam, S, Bechtol, K, Benson, BA, Bertin, E, Bond, JR, Brodwin, M, Brooks, D, Buckley-Geer, E, Burke, DL, Carlstrom, JE, Rosell, AC, Kind, MC, Carretero, J, Castander, FJ, Choi, SK, Cunha, CE, Crawford, TM, Da Costa, LN, De Vicente, J, Desai, S, Devlin, MJ, Dietrich, JP, Doel, P, Dunkley, J, Eifler, TF, Evrard, AE, Flaugher, B, Fosalba, P, Gallardo, PA & Thomas, D 2019, 'Measurement of the splashback feature around SZ-selected Galaxy clusters with DES, SPT, and ACT', Monthly Notices of the Royal Astronomical Society, vol. 487, no. 2, pp. 2900-2918. https://doi.org/10.1093/mnras/stz1434

APA

Shin, T., Adhikari, S., Baxter, E. J., Chang, C., Jain, B., Battaglia, N., ... Thomas, D. (2019). Measurement of the splashback feature around SZ-selected Galaxy clusters with DES, SPT, and ACT. Monthly Notices of the Royal Astronomical Society, 487(2), 2900-2918. https://doi.org/10.1093/mnras/stz1434

Vancouver

Shin T, Adhikari S, Baxter EJ, Chang C, Jain B, Battaglia N et al. Measurement of the splashback feature around SZ-selected Galaxy clusters with DES, SPT, and ACT. Monthly Notices of the Royal Astronomical Society. 2019 Aug 1;487(2):2900-2918. https://doi.org/10.1093/mnras/stz1434

Author

Shin, T. ; Adhikari, S. ; Baxter, E. J. ; Chang, C. ; Jain, B. ; Battaglia, N. ; Bleem, L. ; Bocquet, S. ; DeRose, J. ; Gruen, D. ; Hilton, M. ; Kravtsov, A. ; McClintock, T. ; Rozo, E. ; Rykoff, E. S. ; Varga, T. N. ; Wechsler, R. H. ; Wu, H. ; Zhang, Z. ; Aiola, S. ; Allam, S. ; Bechtol, K. ; Benson, B. A. ; Bertin, E. ; Bond, J. R. ; Brodwin, M. ; Brooks, D. ; Buckley-Geer, E. ; Burke, D. L. ; Carlstrom, J. E. ; Rosell, A. Carnero ; Kind, M. Carrasco ; Carretero, J. ; Castander, F. J. ; Choi, S. K. ; Cunha, C. E. ; Crawford, T. M. ; Da Costa, L. N. ; De Vicente, J. ; Desai, S. ; Devlin, M. J. ; Dietrich, J. P. ; Doel, P. ; Dunkley, J. ; Eifler, T. F. ; Evrard, A. E. ; Flaugher, B. ; Fosalba, P. ; Gallardo, P. A. ; Thomas, D. / Measurement of the splashback feature around SZ-selected Galaxy clusters with DES, SPT, and ACT. In: Monthly Notices of the Royal Astronomical Society. 2019 ; Vol. 487, No. 2. pp. 2900-2918.

Bibtex

@article{c66d983c7ae44124bd550cae70c30b46,
title = "Measurement of the splashback feature around SZ-selected Galaxy clusters with DES, SPT, and ACT",
abstract = "We present a detection of the splashback feature around galaxy clusters selected using the Sunyaev-Zel'dovich (SZ) signal. Recent measurements of the splashback feature around optically selected galaxy clusters have found that the splashback radius, rsp, is smaller than predicted by N-body simulations.Apossible explanation for this discrepancy is that rsp inferred from the observed radial distribution of galaxies is affected by selection effects related to the optical cluster-finding algorithms.We test this possibility by measuring the splashback feature in clusters selected via the SZ effect in data from the South Pole Telescope SZ survey and the Atacama Cosmology Telescope Polarimeter survey. The measurement is accomplished by correlating these cluster samples with galaxies detected in the Dark Energy Survey Year 3 data. The SZ observable used to select clusters in this analysis is expected to have a tighter correlation with halo mass and to be more immune to projection effects and aperture-induced biases, potentially ameliorating causes of systematic error for optically selected clusters. We find that the measured rsp for SZ-selected clusters is consistent with the expectations from simulations, although the small number of SZ-selected clusters makes a precise comparison difficult. In agreement with previous work, when using optically selected redMaPPer clusters with similar mass and redshift distributions, rsp is ~2σ smaller than in the simulations. These results motivate detailed investigations of selection biases in optically selected cluster catalogues and exploration of the splashback feature around larger samples of SZ-selected clusters. Additionally, we investigate trends in the galaxy profile and splashback feature as a function of galaxy colour, finding that blue galaxies have profiles close to a power law with no discernible splashback feature, which is consistent with them being on their first infall into the cluster.",
keywords = "Cosmology: observations, Galaxies: clusters: general, Galaxies: evolution, RCUK, STFC",
author = "T. Shin and S. Adhikari and Baxter, {E. J.} and C. Chang and B. Jain and N. Battaglia and L. Bleem and S. Bocquet and J. DeRose and D. Gruen and M. Hilton and A. Kravtsov and T. McClintock and E. Rozo and Rykoff, {E. S.} and Varga, {T. N.} and Wechsler, {R. H.} and H. Wu and Z. Zhang and S. Aiola and S. Allam and K. Bechtol and Benson, {B. A.} and E. Bertin and Bond, {J. R.} and M. Brodwin and D. Brooks and E. Buckley-Geer and Burke, {D. L.} and Carlstrom, {J. E.} and Rosell, {A. Carnero} and Kind, {M. Carrasco} and J. Carretero and Castander, {F. J.} and Choi, {S. K.} and Cunha, {C. E.} and Crawford, {T. M.} and {Da Costa}, {L. N.} and {De Vicente}, J. and S. Desai and Devlin, {M. J.} and Dietrich, {J. P.} and P. Doel and J. Dunkley and Eifler, {T. F.} and Evrard, {A. E.} and B. Flaugher and P. Fosalba and Gallardo, {P. A.} and D. Thomas",
year = "2019",
month = "8",
day = "1",
doi = "10.1093/mnras/stz1434",
language = "English",
volume = "487",
pages = "2900--2918",
journal = "MNRAS",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "2",

}

RIS

TY - JOUR

T1 - Measurement of the splashback feature around SZ-selected Galaxy clusters with DES, SPT, and ACT

AU - Shin, T.

AU - Adhikari, S.

AU - Baxter, E. J.

AU - Chang, C.

AU - Jain, B.

AU - Battaglia, N.

AU - Bleem, L.

AU - Bocquet, S.

AU - DeRose, J.

AU - Gruen, D.

AU - Hilton, M.

AU - Kravtsov, A.

AU - McClintock, T.

AU - Rozo, E.

AU - Rykoff, E. S.

AU - Varga, T. N.

AU - Wechsler, R. H.

AU - Wu, H.

AU - Zhang, Z.

AU - Aiola, S.

AU - Allam, S.

AU - Bechtol, K.

AU - Benson, B. A.

AU - Bertin, E.

AU - Bond, J. R.

AU - Brodwin, M.

AU - Brooks, D.

AU - Buckley-Geer, E.

AU - Burke, D. L.

AU - Carlstrom, J. E.

AU - Rosell, A. Carnero

AU - Kind, M. Carrasco

AU - Carretero, J.

AU - Castander, F. J.

AU - Choi, S. K.

AU - Cunha, C. E.

AU - Crawford, T. M.

AU - Da Costa, L. N.

AU - De Vicente, J.

AU - Desai, S.

AU - Devlin, M. J.

AU - Dietrich, J. P.

AU - Doel, P.

AU - Dunkley, J.

AU - Eifler, T. F.

AU - Evrard, A. E.

AU - Flaugher, B.

AU - Fosalba, P.

AU - Gallardo, P. A.

AU - Thomas, D.

PY - 2019/8/1

Y1 - 2019/8/1

N2 - We present a detection of the splashback feature around galaxy clusters selected using the Sunyaev-Zel'dovich (SZ) signal. Recent measurements of the splashback feature around optically selected galaxy clusters have found that the splashback radius, rsp, is smaller than predicted by N-body simulations.Apossible explanation for this discrepancy is that rsp inferred from the observed radial distribution of galaxies is affected by selection effects related to the optical cluster-finding algorithms.We test this possibility by measuring the splashback feature in clusters selected via the SZ effect in data from the South Pole Telescope SZ survey and the Atacama Cosmology Telescope Polarimeter survey. The measurement is accomplished by correlating these cluster samples with galaxies detected in the Dark Energy Survey Year 3 data. The SZ observable used to select clusters in this analysis is expected to have a tighter correlation with halo mass and to be more immune to projection effects and aperture-induced biases, potentially ameliorating causes of systematic error for optically selected clusters. We find that the measured rsp for SZ-selected clusters is consistent with the expectations from simulations, although the small number of SZ-selected clusters makes a precise comparison difficult. In agreement with previous work, when using optically selected redMaPPer clusters with similar mass and redshift distributions, rsp is ~2σ smaller than in the simulations. These results motivate detailed investigations of selection biases in optically selected cluster catalogues and exploration of the splashback feature around larger samples of SZ-selected clusters. Additionally, we investigate trends in the galaxy profile and splashback feature as a function of galaxy colour, finding that blue galaxies have profiles close to a power law with no discernible splashback feature, which is consistent with them being on their first infall into the cluster.

AB - We present a detection of the splashback feature around galaxy clusters selected using the Sunyaev-Zel'dovich (SZ) signal. Recent measurements of the splashback feature around optically selected galaxy clusters have found that the splashback radius, rsp, is smaller than predicted by N-body simulations.Apossible explanation for this discrepancy is that rsp inferred from the observed radial distribution of galaxies is affected by selection effects related to the optical cluster-finding algorithms.We test this possibility by measuring the splashback feature in clusters selected via the SZ effect in data from the South Pole Telescope SZ survey and the Atacama Cosmology Telescope Polarimeter survey. The measurement is accomplished by correlating these cluster samples with galaxies detected in the Dark Energy Survey Year 3 data. The SZ observable used to select clusters in this analysis is expected to have a tighter correlation with halo mass and to be more immune to projection effects and aperture-induced biases, potentially ameliorating causes of systematic error for optically selected clusters. We find that the measured rsp for SZ-selected clusters is consistent with the expectations from simulations, although the small number of SZ-selected clusters makes a precise comparison difficult. In agreement with previous work, when using optically selected redMaPPer clusters with similar mass and redshift distributions, rsp is ~2σ smaller than in the simulations. These results motivate detailed investigations of selection biases in optically selected cluster catalogues and exploration of the splashback feature around larger samples of SZ-selected clusters. Additionally, we investigate trends in the galaxy profile and splashback feature as a function of galaxy colour, finding that blue galaxies have profiles close to a power law with no discernible splashback feature, which is consistent with them being on their first infall into the cluster.

KW - Cosmology: observations

KW - Galaxies: clusters: general

KW - Galaxies: evolution

KW - RCUK

KW - STFC

UR - http://www.scopus.com/inward/record.url?scp=85069429775&partnerID=8YFLogxK

U2 - 10.1093/mnras/stz1434

DO - 10.1093/mnras/stz1434

M3 - Article

VL - 487

SP - 2900

EP - 2918

JO - MNRAS

JF - MNRAS

SN - 0035-8711

IS - 2

ER -

ID: 15847780