Tag: #blackhole

Astronomers Confirm Long-Period Stellar-Mass Black Hole in Omega Centauri

Hubble and Webb data reveal a 4.46-solar-mass, long-period black hole in the Milky Way’s Omega Centauri globular cluster.

#astronomy, #blackhole, #omegacentauri, #hubble, #webb

Papers Clash Over Whether BE Lyncis Hides a Nearby Black Hole

Two newly accepted papers reach opposing conclusions about BE Lyncis: pulsation timing suggests a massive unseen companion, while Gaia astrometry disagrees.

#astronomy, #blackhole, #gaia, #hipparcos

Preprint Presents Sharper Spectroscopic Case for a Recoiling Black Hole in Quasar 3C 186

A revised arXiv preprint reports precise blueshifted spectra in quasar 3C 186, strengthening — but not proving — the case for a recoiling supermassive black hole.

#astronomy, #blackhole, #quasars, #gravitationalwaves

Webb Measures Massive Black Hole in Tiny Galaxy 700 Million Years After Big Bang

Webb's NIRSpec mapped gas in a z=7.04 'Little Red Dot', finding a 10^7–10^8 solar-mass black hole that may outweigh its primitive host.

#astronomy, #blackhole, #jameswebb, #cosmology, #earlyuniverse