NASA ASTRA White Paper: A Chandra Successor in the 2030s

arXiv:2610.00475 · astro-ph.IM, astro-ph.HE · Submitted 2026-09-30 · Read on arXiv

astro-ph.IM, astro-ph.HE

Submitted: 2026-09-30

Updated: 2026-09-30

Terminology

• AGN — 14× in this paper · explained in 1 episode
• Metallicity — 4× in this paper · explained in 3 episodes
• AGN Feedback — 3× in this paper · explained in 1 episode
• Aperture — 2× in this paper · explained in 1 episode
• APEX — 1× in this paper · explained in 1 episode
• Advanced X-ray Imaging Satellite — 1× in this paper
• Core — 1× in this paper · explained in 2 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• The Advanced X-ray Imaging Satellite (AXIS) Community Science Book
• Formation of Supermassive Black Holes
• High-redshift AGN in the Chandra Deep Fields: the obscured fraction and space density of the sub-$L_*$ population
• MEOW: The increase in the obscured AGN fraction in mid-infrared from 0 < z < 6 with JWST MIRI
• The Observational Signatures of Supermassive Black Hole Seeds
• Surveying the onset and evolution of supermassive black holes at high-z with AXIS
• The Spin of Supermassive Black Holes
• The evolution of galaxies and clusters at high spatial resolution with AXIS
• A Global Inventory of Feedback
• Observational Evidence of AGN Feedback
• Evidence for AGN Feedback in Galaxy Clusters and Groups
• A Fast, Hot Wind from a Nuclear Starburst
• Any Way the Wind Blows: Quantifying Superbubbles and their Outflows in Simulated Galaxies across $z \approx 0-3$
• The Starburst-Driven Molecular Wind in NGC 253 and the Suppression of Star Formation
• The uniformity and time-invariance of the intra-cluster metal distribution in galaxy clusters from the IllustrisTNG simulations
• Water loss from Earth-sized planets in the habitable zones of ultracool dwarfs: Implications for the planets of TRAPPIST-1
• Detection of Atmospheric Escape from Four Young Mini Neptunes
• Frequent flaring in the TRAPPIST-1 system - unsuited for life?
• The 700 ks Chandra Spiderweb Field II: Evidence for inverse-Compton and thermal diffuse emission in the Spiderweb galaxy
• From Stellar Death to Cosmic Revelations: Zooming in on Compact Objects, Relativistic Outflows and Supernova Remnants with AXIS

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