Recycling serendipitous observations of XRISM for dark matter searches

arXiv:2610.01877 · astro-ph.HE · Submitted 2026-10-01 · Read on arXiv

astro-ph.HE

Submitted: 2026-10-01

Updated: 2026-10-01

Terminology

• Galactic Center — 19× in this paper
• Aperture — 9× in this paper · explained in 1 episode
• Supplemental Material — 6× in this paper
• Calibration — 5× in this paper · explained in 7 episodes
• Benchmark — 4× in this paper · explained in 2 episodes
• Core — 4× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Clustering — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Society of Photo-Optical Instrumentation Engineers — 1× in this paper
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Direct Detection of Warm Dark Matter in the X-ray
• Where to find a dark matter sterile neutrino?
• Sterile Neutrino Dark Matter
• The search for decaying Dark Matter
• Chandra X-Ray Observatory (CXO):Overview
• Detection of An Unidentified Emission Line in the Stacked X-ray spectrum of Galaxy Clusters
• An unidentified line in X-ray spectra of the Andromeda galaxy and Perseus galaxy cluster
• Checking the dark matter origin of 3.53 keV line with the Milky Way center
• Testing the origin of ~3.55 keV line in individual galaxy clusters observed with XMM-Newton
• Radial Profile of the 3.55 keV line out to $R_{200}$ in the Perseus Cluster
• A Suzaku Search for Dark Matter Emission Lines in the X-ray Brightest Galaxy Clusters
• Decaying dark matter search with NuSTAR deep sky observations
• Searching for the 3.5 keV Line in the Deep Fields with Chandra: the 10 Ms observations
• Surface brightness profile of the 3.5 keV line in the Milky Way halo
• 7.1 keV sterile neutrino dark matter constraints from a deep Chandra X-ray observation of the Galactic bulge Limiting Window
• Sterile neutrino dark matter bounds from galaxies of the Local Group
• Constraints on 3.55 keV line emission from stacked observations of dwarf spheroidal galaxies
• Questioning a 3.5 keV dark matter emission line
• An X-ray Spectroscopic Search for Dark Matter in the Perseus Cluster with Suzaku
• Searching for keV Sterile Neutrino Dark Matter with X-ray Microcalorimeter Sounding Rockets

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