The cross correlation of the ABS and ACT maps

Zack Li; Sigurd Naess; Simone Aiola; David Alonso; John W. Appel; J. Richard Bond; Erminia Calabrese; Steve K. Choi; Kevin T. Crowley; Thomas Essinger-Hileman; Shannon M. Duff; Joanna Dunkley; J. W. Fowler; Patricio Gallardo; Shuay Pwu Patty Ho; Johannes Hubmayr; Akito Kusaka; Thibaut Louis; Mathew S. Madhavacheril; Jeffrey McMahon; Federico Nati; Michael D. Niemack; Lyman Page; Lucas Parker; Bruce Partridge; Maria Salatino; Jonathan L. Sievers; Cristóbal Sifón; Sara M. Simon; Suzanne T. Staggs; Emilie Storer; Edward J. Wollack

doi:10.1088/1475-7516/2020/09/010

The cross correlation of the ABS and ACT maps

Zack Li, Sigurd Naess, Simone Aiola, David Alonso, John W. Appel, J. Richard Bond, Erminia Calabrese, Steve K. Choi, Kevin T. Crowley, Thomas Essinger-Hileman, Shannon M. Duff, Joanna Dunkley, J. W. Fowler, Patricio Gallardo, Shuay Pwu Patty Ho, Johannes Hubmayr, Akito Kusaka, Thibaut Louis, Mathew S. Madhavacheril, Jeffrey McMahonFederico Nati, Michael D. Niemack, Lyman Page, Lucas Parker, Bruce Partridge, Maria Salatino, Jonathan L. Sievers, Cristóbal Sifón, Sara M. Simon, Suzanne T. Staggs, Emilie Storer, Edward J. Wollack

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Abstract

One of the most important checks for systematic errors in CMB studies is the cross correlation of maps made by independent experiments. In this paper we report on the cross correlation between maps from the Atacama B-mode Search (ABS) and Atacama Cosmology Telescope (ACT) experiments in both temperature and polarization. These completely different measurements have a clear correlation with each other and with the Planck satellite in both the EE and TE spectra at ℓ<400 over the roughly 0110 deg2 common to all three. The TB, EB, and BB cross spectra are consistent with noise. Exploiting such cross-correlations will be important for future experiments operating in Chile that aim to probe the 30<ℓ<8,000 range.

Original language	English (US)
Article number	010
Journal	Journal of Cosmology and Astroparticle Physics
Volume	2020
Issue number	9
DOIs	https://doi.org/10.1088/1475-7516/2020/09/010
State	Published - Sep 2020

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics

Keywords

CMBR detectors
CMBR experiments
CMBR polarization

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10.1088/1475-7516/2020/09/010

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Li, Z., Naess, S., Aiola, S., Alonso, D., Appel, J. W., Bond, J. R., Calabrese, E., Choi, S. K., Crowley, K. T., Essinger-Hileman, T., Duff, S. M., Dunkley, J., Fowler, J. W., Gallardo, P., Ho, S. P. P., Hubmayr, J., Kusaka, A., Louis, T., Madhavacheril, M. S., ... Wollack, E. J. (2020). The cross correlation of the ABS and ACT maps. Journal of Cosmology and Astroparticle Physics, 2020(9), Article 010. https://doi.org/10.1088/1475-7516/2020/09/010

@article{8a11d711a52a46f097ced1b0b5e8834f,

title = "The cross correlation of the ABS and ACT maps",

abstract = "One of the most important checks for systematic errors in CMB studies is the cross correlation of maps made by independent experiments. In this paper we report on the cross correlation between maps from the Atacama B-mode Search (ABS) and Atacama Cosmology Telescope (ACT) experiments in both temperature and polarization. These completely different measurements have a clear correlation with each other and with the Planck satellite in both the EE and TE spectra at ℓ<400 over the roughly 0110 deg2 common to all three. The TB, EB, and BB cross spectra are consistent with noise. Exploiting such cross-correlations will be important for future experiments operating in Chile that aim to probe the 30<ℓ<8,000 range.",

keywords = "CMBR detectors, CMBR experiments, CMBR polarization",

author = "Zack Li and Sigurd Naess and Simone Aiola and David Alonso and Appel, {John W.} and Bond, {J. Richard} and Erminia Calabrese and Choi, {Steve K.} and Crowley, {Kevin T.} and Thomas Essinger-Hileman and Duff, {Shannon M.} and Joanna Dunkley and Fowler, {J. W.} and Patricio Gallardo and Ho, {Shuay Pwu Patty} and Johannes Hubmayr and Akito Kusaka and Thibaut Louis and Madhavacheril, {Mathew S.} and Jeffrey McMahon and Federico Nati and Niemack, {Michael D.} and Lyman Page and Lucas Parker and Bruce Partridge and Maria Salatino and Sievers, {Jonathan L.} and Crist{\'o}bal Sif{\'o}n and Simon, {Sara M.} and Staggs, {Suzanne T.} and Emilie Storer and Wollack, {Edward J.}",

note = "Publisher Copyright: {\textcopyright} 2020 IOP Publishing Ltd and Sissa Medialab.",

year = "2020",

month = sep,

doi = "10.1088/1475-7516/2020/09/010",

language = "English (US)",

volume = "2020",

journal = "Journal of Cosmology and Astroparticle Physics",

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Li, Z, Naess, S, Aiola, S, Alonso, D, Appel, JW, Bond, JR, Calabrese, E, Choi, SK, Crowley, KT, Essinger-Hileman, T, Duff, SM, Dunkley, J, Fowler, JW, Gallardo, P, Ho, SPP, Hubmayr, J, Kusaka, A, Louis, T, Madhavacheril, MS, McMahon, J, Nati, F, Niemack, MD, Page, L, Parker, L, Partridge, B, Salatino, M, Sievers, JL, Sifón, C, Simon, SM, Staggs, ST, Storer, E & Wollack, EJ 2020, 'The cross correlation of the ABS and ACT maps', Journal of Cosmology and Astroparticle Physics, vol. 2020, no. 9, 010. https://doi.org/10.1088/1475-7516/2020/09/010

TY - JOUR

T1 - The cross correlation of the ABS and ACT maps

AU - Li, Zack

AU - Naess, Sigurd

AU - Aiola, Simone

AU - Alonso, David

AU - Appel, John W.

AU - Bond, J. Richard

AU - Calabrese, Erminia

AU - Choi, Steve K.

AU - Crowley, Kevin T.

AU - Essinger-Hileman, Thomas

AU - Duff, Shannon M.

AU - Dunkley, Joanna

AU - Fowler, J. W.

AU - Gallardo, Patricio

AU - Ho, Shuay Pwu Patty

AU - Hubmayr, Johannes

AU - Kusaka, Akito

AU - Louis, Thibaut

AU - Madhavacheril, Mathew S.

AU - McMahon, Jeffrey

AU - Nati, Federico

AU - Niemack, Michael D.

AU - Page, Lyman

AU - Parker, Lucas

AU - Partridge, Bruce

AU - Salatino, Maria

AU - Sievers, Jonathan L.

AU - Sifón, Cristóbal

AU - Simon, Sara M.

AU - Staggs, Suzanne T.

AU - Storer, Emilie

AU - Wollack, Edward J.

PY - 2020/9

Y1 - 2020/9

N2 - One of the most important checks for systematic errors in CMB studies is the cross correlation of maps made by independent experiments. In this paper we report on the cross correlation between maps from the Atacama B-mode Search (ABS) and Atacama Cosmology Telescope (ACT) experiments in both temperature and polarization. These completely different measurements have a clear correlation with each other and with the Planck satellite in both the EE and TE spectra at ℓ<400 over the roughly 0110 deg2 common to all three. The TB, EB, and BB cross spectra are consistent with noise. Exploiting such cross-correlations will be important for future experiments operating in Chile that aim to probe the 30<ℓ<8,000 range.

AB - One of the most important checks for systematic errors in CMB studies is the cross correlation of maps made by independent experiments. In this paper we report on the cross correlation between maps from the Atacama B-mode Search (ABS) and Atacama Cosmology Telescope (ACT) experiments in both temperature and polarization. These completely different measurements have a clear correlation with each other and with the Planck satellite in both the EE and TE spectra at ℓ<400 over the roughly 0110 deg2 common to all three. The TB, EB, and BB cross spectra are consistent with noise. Exploiting such cross-correlations will be important for future experiments operating in Chile that aim to probe the 30<ℓ<8,000 range.

KW - CMBR detectors

KW - CMBR experiments

KW - CMBR polarization

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U2 - 10.1088/1475-7516/2020/09/010

DO - 10.1088/1475-7516/2020/09/010

M3 - Article

AN - SCOPUS:85091082926

SN - 1475-7516

VL - 2020

JO - Journal of Cosmology and Astroparticle Physics

JF - Journal of Cosmology and Astroparticle Physics

IS - 9

M1 - 010

ER -

The cross correlation of the ABS and ACT maps

Abstract

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Keywords

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