Marcus Kirsch

Horizon-scale tests of gravity theories and fundamental physics from the Event Horizon Telescope image of Sagittarius A ∗

A JWST/NIRSpec First Census of Broad-line AGNs at z = 4–7: Detection of 10 Faint AGNs with M _BH ∼ 10⁶–10⁸ M _⊙ and Their Host Galaxy Properties

The broad iron Kαline of Cygnus X-1 as seen byXMM-Newtonin the EPIC-pn modified timing mode

EPIC pn-CCD detector aboard XMM-Newton: status of the background calibration