Tag: #black-holes

Deeper X‑ray and JWST Data Cast Doubt on Claimed Black Hole in Galaxy UHZ1

Deep Chandra and JWST reanalysis finds no solid X‑ray or mid‑IR evidence that galaxy UHZ1 (z=10.05) hosts the luminous, obscured black hole claimed in 2023.

#astronomy, #black-holes, #jwst, #chandra

GWTC-5.0 population study finds structured black-hole masses and a rapidly spinning subpopulation

Analysis of 267 compact-binary mergers (GWTC-5.0) reveals peaks in black-hole masses and a rapidly spinning subpopulation consistent with hierarchical mergers.

#gravitational-wave, #black-holes, #ligo, #astrophysics