First Detection of the Doppler Shift of X-ray Photons Due to a Telescope's Orbital Motion

arXiv:2609.36042 · astro-ph.HE, astro-ph.IM · Submitted 2026-09-28 · Read on arXiv

astro-ph.HE, astro-ph.IM

Submitted: 2026-09-28

Updated: 2026-09-28

Terminology

• Calibration — 13× in this paper · explained in 7 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Commentary — 1× in this paper · explained in 2 episodes
• South Atlantic Anomaly — 1× in this paper

Sources

• XRISM spectroscopy of a crowded Galactic center region -- I. Disentangling the sources in the field of view
• The X-ray Integral Field Unit at the end of the Athena reformulation phase
• Science with the X-ray Imaging and Spectroscopy Mission (XRISM)

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