Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT
© 2016 The Authors. We detect the kinematic Sunyaev-Zel'dovich (kSZ) effect with a statistical significance of 4.2θ by combining a cluster catalogue derived from the first year data of the Dark Energy Survey with cosmic microwave background temperature maps from the South Pole Telescope Sunyaev...
Format: | Article in Journal/Newspaper |
---|---|
Language: | English |
Published: |
Oxford University Press (OUP)
2019
|
Subjects: | |
Online Access: | https://hdl.handle.net/1721.1/134675 |
id |
ftmit:oai:dspace.mit.edu:1721.1/134675 |
---|---|
record_format |
openpolar |
spelling |
ftmit:oai:dspace.mit.edu:1721.1/134675 2023-06-11T04:16:47+02:00 Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT 2019-06-18T11:18:38Z application/pdf https://hdl.handle.net/1721.1/134675 en eng Oxford University Press (OUP) 10.1093/MNRAS/STW1455 Monthly Notices of the Royal Astronomical Society https://hdl.handle.net/1721.1/134675 Soergel, B., et al. "Detection of the Kinematic Sunyaev-Zel'dovich Effect with Des Year 1 and Spt." Monthly Notices of the Royal Astronomical Society 461 3 (2016): 3172-93. Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ arXiv Article http://purl.org/eprint/type/JournalArticle 2019 ftmit 2023-05-29T07:26:36Z © 2016 The Authors. We detect the kinematic Sunyaev-Zel'dovich (kSZ) effect with a statistical significance of 4.2θ by combining a cluster catalogue derived from the first year data of the Dark Energy Survey with cosmic microwave background temperature maps from the South Pole Telescope Sunyaev-Zel'dovich Survey. This measurement is performed with a differential statistic that isolates the pairwise kSZ signal, providing the first detection of the large-scale, pairwise motion of clusters using redshifts derived from photometric data. By fitting the pairwise kSZ signal to a theoretical template, we measure the average central optical depth of the cluster sample, te = (3.75 ± 0.89) × 10-3. We compare the extracted signal to realistic simulations and find good agreement with respect to the signal to noise, the constraint on te, and the corresponding gas fraction. High-precision measurements of the pairwise kSZ signal with future data will be able to place constraints on the baryonic physics of galaxy clusters, and could be used to probe gravity on scales ≥100 Mpc. Article in Journal/Newspaper South pole DSpace@MIT (Massachusetts Institute of Technology) South Pole |
institution |
Open Polar |
collection |
DSpace@MIT (Massachusetts Institute of Technology) |
op_collection_id |
ftmit |
language |
English |
description |
© 2016 The Authors. We detect the kinematic Sunyaev-Zel'dovich (kSZ) effect with a statistical significance of 4.2θ by combining a cluster catalogue derived from the first year data of the Dark Energy Survey with cosmic microwave background temperature maps from the South Pole Telescope Sunyaev-Zel'dovich Survey. This measurement is performed with a differential statistic that isolates the pairwise kSZ signal, providing the first detection of the large-scale, pairwise motion of clusters using redshifts derived from photometric data. By fitting the pairwise kSZ signal to a theoretical template, we measure the average central optical depth of the cluster sample, te = (3.75 ± 0.89) × 10-3. We compare the extracted signal to realistic simulations and find good agreement with respect to the signal to noise, the constraint on te, and the corresponding gas fraction. High-precision measurements of the pairwise kSZ signal with future data will be able to place constraints on the baryonic physics of galaxy clusters, and could be used to probe gravity on scales ≥100 Mpc. |
format |
Article in Journal/Newspaper |
title |
Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT |
spellingShingle |
Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT |
title_short |
Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT |
title_full |
Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT |
title_fullStr |
Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT |
title_full_unstemmed |
Detection of the kinematic Sunyaev–Zel'dovich effect with DES Year 1 and SPT |
title_sort |
detection of the kinematic sunyaev–zel'dovich effect with des year 1 and spt |
publisher |
Oxford University Press (OUP) |
publishDate |
2019 |
url |
https://hdl.handle.net/1721.1/134675 |
geographic |
South Pole |
geographic_facet |
South Pole |
genre |
South pole |
genre_facet |
South pole |
op_source |
arXiv |
op_relation |
10.1093/MNRAS/STW1455 Monthly Notices of the Royal Astronomical Society https://hdl.handle.net/1721.1/134675 Soergel, B., et al. "Detection of the Kinematic Sunyaev-Zel'dovich Effect with Des Year 1 and Spt." Monthly Notices of the Royal Astronomical Society 461 3 (2016): 3172-93. |
op_rights |
Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ |
_version_ |
1768375378378752000 |