Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center

Research output: Contribution to journal › Journal article › Research › peer-review

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Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center. / Boyarsky, A.; Franse, J.; Iakubovskyi, D.; Ruchayskiy, O.

In: Physical Review Letters, Vol. 115, No. 16, 161301, 14.10.2015.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Boyarsky, A, Franse, J, Iakubovskyi, D & Ruchayskiy, O 2015, 'Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center', Physical Review Letters, vol. 115, no. 16, 161301. https://doi.org/10.1103/PhysRevLett.115.161301

APA

Boyarsky, A., Franse, J., Iakubovskyi, D., & Ruchayskiy, O. (2015). Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center. Physical Review Letters, 115(16), [161301]. https://doi.org/10.1103/PhysRevLett.115.161301

Vancouver

Boyarsky A, Franse J, Iakubovskyi D, Ruchayskiy O. Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center. Physical Review Letters. 2015 Oct 14;115(16). 161301. https://doi.org/10.1103/PhysRevLett.115.161301

Author

Boyarsky, A. ; Franse, J. ; Iakubovskyi, D. ; Ruchayskiy, O. / Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center. In: Physical Review Letters. 2015 ; Vol. 115, No. 16.

Bibtex

@article{72e43891ee7a4a0ca8e30d3967687d76,
title = "Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center",
abstract = "We detect a line at 3.539±0.011keV in the deep exposure data set of the Galactic center region, observed with the x-ray multi-mirror mission Newton. The dark matter interpretation of the signal observed in the Perseus galaxy cluster, the Andromeda galaxy [A. Boyarsky, Phys. Rev. Lett. 113, 251301 (2014)], and in the stacked spectra of galaxy clusters [E. Bulbul, Astrophys. J. 789, 13 (2014)], together with nonobservation of the line in blank-sky data, put both lower and upper limits on the possible intensity of the line in the Galactic center data. Our result is consistent with these constraints for a class of Milky Way mass models, presented previously by observers, and would correspond to the radiative decay dark matter lifetime, τDM∼6-8×1027sec. Although it is hard to exclude an astrophysical origin of this line based on the Galactic center data alone, this is an important consistency check of the hypothesis that encourages us to check it with more observational data that are expected by the end of 2015.",
author = "A. Boyarsky and J. Franse and D. Iakubovskyi and O. Ruchayskiy",
year = "2015",
month = oct,
day = "14",
doi = "10.1103/PhysRevLett.115.161301",
language = "English",
volume = "115",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "16",

}

RIS

TY - JOUR

T1 - Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center

AU - Boyarsky, A.

AU - Franse, J.

AU - Iakubovskyi, D.

AU - Ruchayskiy, O.

PY - 2015/10/14

Y1 - 2015/10/14

N2 - We detect a line at 3.539±0.011keV in the deep exposure data set of the Galactic center region, observed with the x-ray multi-mirror mission Newton. The dark matter interpretation of the signal observed in the Perseus galaxy cluster, the Andromeda galaxy [A. Boyarsky, Phys. Rev. Lett. 113, 251301 (2014)], and in the stacked spectra of galaxy clusters [E. Bulbul, Astrophys. J. 789, 13 (2014)], together with nonobservation of the line in blank-sky data, put both lower and upper limits on the possible intensity of the line in the Galactic center data. Our result is consistent with these constraints for a class of Milky Way mass models, presented previously by observers, and would correspond to the radiative decay dark matter lifetime, τDM∼6-8×1027sec. Although it is hard to exclude an astrophysical origin of this line based on the Galactic center data alone, this is an important consistency check of the hypothesis that encourages us to check it with more observational data that are expected by the end of 2015.

AB - We detect a line at 3.539±0.011keV in the deep exposure data set of the Galactic center region, observed with the x-ray multi-mirror mission Newton. The dark matter interpretation of the signal observed in the Perseus galaxy cluster, the Andromeda galaxy [A. Boyarsky, Phys. Rev. Lett. 113, 251301 (2014)], and in the stacked spectra of galaxy clusters [E. Bulbul, Astrophys. J. 789, 13 (2014)], together with nonobservation of the line in blank-sky data, put both lower and upper limits on the possible intensity of the line in the Galactic center data. Our result is consistent with these constraints for a class of Milky Way mass models, presented previously by observers, and would correspond to the radiative decay dark matter lifetime, τDM∼6-8×1027sec. Although it is hard to exclude an astrophysical origin of this line based on the Galactic center data alone, this is an important consistency check of the hypothesis that encourages us to check it with more observational data that are expected by the end of 2015.

UR - http://www.scopus.com/inward/record.url?scp=84945248201&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.115.161301

DO - 10.1103/PhysRevLett.115.161301

M3 - Journal article

AN - SCOPUS:84945248201

VL - 115

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 16

M1 - 161301

ER -

ID: 209289664