Standard

Grey intergalactic dust could explain the Hubble constant tension. / Yershov, V. ; Raikov, A. ; Lovyagin, N. ; Kuin, Paul; Popova, E. .

Astronomy at the Epoch of Multimessenger Studies: Proceedings of the BAK-2021 conference, 23-28 August, 2021 in Moscow. 2022. p. 411-413.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Research › peer-review

Harvard

Yershov, V, Raikov, A, Lovyagin, N, Kuin, P & Popova, E 2022, Grey intergalactic dust could explain the Hubble constant tension. in Astronomy at the Epoch of Multimessenger Studies: Proceedings of the BAK-2021 conference, 23-28 August, 2021 in Moscow. pp. 411-413, Всероссийская астрономическая конференция 2021 "Астрономия в эпоху многоканальных исследований", Москва, Russian Federation, 23/08/21. https://doi.org/10.51194/VAK2021.2022.1.1.169

APA

Yershov, V., Raikov, A., Lovyagin, N., Kuin, P., & Popova, E. (2022). Grey intergalactic dust could explain the Hubble constant tension. In Astronomy at the Epoch of Multimessenger Studies: Proceedings of the BAK-2021 conference, 23-28 August, 2021 in Moscow (pp. 411-413) https://doi.org/10.51194/VAK2021.2022.1.1.169

Vancouver

Yershov V, Raikov A, Lovyagin N, Kuin P, Popova E. Grey intergalactic dust could explain the Hubble constant tension. In Astronomy at the Epoch of Multimessenger Studies: Proceedings of the BAK-2021 conference, 23-28 August, 2021 in Moscow. 2022. p. 411-413 https://doi.org/10.51194/VAK2021.2022.1.1.169

Author

Yershov, V. ; Raikov, A. ; Lovyagin, N. ; Kuin, Paul ; Popova, E. . / Grey intergalactic dust could explain the Hubble constant tension. Astronomy at the Epoch of Multimessenger Studies: Proceedings of the BAK-2021 conference, 23-28 August, 2021 in Moscow. 2022. pp. 411-413

BibTeX

@inproceedings{b261e1ea22564484a8d6c27d473d17b5,
title = "Grey intergalactic dust could explain the Hubble constant tension",
abstract = "It is possible to explain the discrepancy (tension) between the local measurement of the cosmological parameter H0 (theHubble constant) and its value derived from the Planck-mission measurements of the Cosmic Microwave Background (CMB)by considering contamination of the CMB by emission from some medium surrounding distant extragalactic sources, such asextremely cold coarse-grain (grey) dust. Though being distant, such a medium would still be in the foreground with respectto the CMB, and, as any other foreground, it would alter the CMB power spectrum. This could contribute to the dispersionof CMB temperature fluctuations. By generating random samples of CMB with different dispersions, we have checked thatthe increased dispersion leads to a smaller estimated value of H0, the rest of the cosmological model parameters remainingfixed. This might explain the reduced value of the Planck-derived parameter H0 with respect to the local measurements.",
keywords = "cosmic background radiation, cosmological parameters, intergalactic medium, dust, extinction",
author = "V. Yershov and A. Raikov and N. Lovyagin and Paul Kuin and E. Popova",
year = "2022",
doi = "10.51194/VAK2021.2022.1.1.169",
language = "English",
pages = "411--413",
booktitle = "Astronomy at the Epoch of Multimessenger Studies",
note = "Всероссийская астрономическая конференция 2021 {"}Астрономия в эпоху многоканальных исследований{"}, ВАК-2021 ; Conference date: 23-08-2021 Through 28-08-2021",
url = "https://www.vak2021.ru/, https://www.vak2021.ru, https://www.vak2021.ru/timetable/",

}

RIS

TY - GEN

T1 - Grey intergalactic dust could explain the Hubble constant tension

AU - Yershov, V.

AU - Raikov, A.

AU - Lovyagin, N.

AU - Kuin, Paul

AU - Popova, E.

PY - 2022

Y1 - 2022

N2 - It is possible to explain the discrepancy (tension) between the local measurement of the cosmological parameter H0 (theHubble constant) and its value derived from the Planck-mission measurements of the Cosmic Microwave Background (CMB)by considering contamination of the CMB by emission from some medium surrounding distant extragalactic sources, such asextremely cold coarse-grain (grey) dust. Though being distant, such a medium would still be in the foreground with respectto the CMB, and, as any other foreground, it would alter the CMB power spectrum. This could contribute to the dispersionof CMB temperature fluctuations. By generating random samples of CMB with different dispersions, we have checked thatthe increased dispersion leads to a smaller estimated value of H0, the rest of the cosmological model parameters remainingfixed. This might explain the reduced value of the Planck-derived parameter H0 with respect to the local measurements.

AB - It is possible to explain the discrepancy (tension) between the local measurement of the cosmological parameter H0 (theHubble constant) and its value derived from the Planck-mission measurements of the Cosmic Microwave Background (CMB)by considering contamination of the CMB by emission from some medium surrounding distant extragalactic sources, such asextremely cold coarse-grain (grey) dust. Though being distant, such a medium would still be in the foreground with respectto the CMB, and, as any other foreground, it would alter the CMB power spectrum. This could contribute to the dispersionof CMB temperature fluctuations. By generating random samples of CMB with different dispersions, we have checked thatthe increased dispersion leads to a smaller estimated value of H0, the rest of the cosmological model parameters remainingfixed. This might explain the reduced value of the Planck-derived parameter H0 with respect to the local measurements.

KW - cosmic background radiation

KW - cosmological parameters

KW - intergalactic medium

KW - dust

KW - extinction

U2 - 10.51194/VAK2021.2022.1.1.169

DO - 10.51194/VAK2021.2022.1.1.169

M3 - Conference contribution

SP - 411

EP - 413

BT - Astronomy at the Epoch of Multimessenger Studies

T2 - Всероссийская астрономическая конференция 2021 "Астрономия в эпоху многоканальных исследований"

Y2 - 23 August 2021 through 28 August 2021

ER -

ID: 107314072