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2018

Surface brightness profile of the 3.5 keV line in the Milky Way halo

Boyarsky, A., Iakubovskyi, D., Ruchayskiy, O. et al.

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We report a detection of 3.5 keV line in the Milky Way in 5 regions offset from the Galactic Center by distances from 10' to 35 degrees.

We build an angular profile of this line and compare it with profiles of several astrophysical lines detected in the same observations.
We compare our results with other detections and bounds previously obtained using observations of the Milky Way.

Surface brightness profile of the 3.5 keV line in the Milky Way halo · Around

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R. Catena and P. Ullio, A novel determination of the local dark matter density , JCAP 1008
Original
2010
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E. Bulbul, M. Markevitch, A. Foster, R. K. Smith, M. Loewenstein et al., Detection of An Unidentified Emission Line in the Stacked X-ray spectrum of Galaxy Clusters , Astrophys.J. 789
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2014
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A. Boyarsky, O. Ruchayskiy, D. Iakubovskyi and J. Franse, An unidentified line in X-ray spectra of the Andromeda galaxy and Perseus galaxy cluster , Phys.Rev.Lett. 113
Original
2014
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S. Riemer-Sorensen, Questioning a 3.5 keV dark matter emission line , ArXiv e-prints (May, 2014) , [ 1405.7943 ]
Original
2014
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A. Boyarsky, J. Franse, D. Iakubovskyi and O. Ruchayskiy, Checking the Dark Matter Origin of a 3.53 keV Line with the Milky Way Center , Phys. Rev. Lett. 115
Original
2015
Earlier work this paper cites.
T. E. Jeltema and S. Profumo, Discovery of a 3.5 keV line in the Galactic Centre and a critical look at the origin of the line across astronomical targets , Mon. Not. Roy. Astron. Soc. 450
Original
2015
Earlier work this paper cites.
E. Carlson, T. Jeltema and S. Profumo, Where do the 3.5 keV photons come from? A morphological study of the Galactic Center and of Perseus , JCAP 1502
Original
2015
Earlier work this paper cites.

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2016

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