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@cosmos4u@scicomm.xyz
2025-12-01 21:06:04

Assembling GW231123 in Star Clusters through the Combination of Stellar Binary Evolution and Hierarchical Mergers: #BlackHole mergers: gssi.it/communication/news-eve

@cosmos4u@scicomm.xyz
2025-10-31 19:04:20

Image of a time-dependent rotating regular black hole: #BlackHole flicker in time: eurekalert.org/news-releases/1

@cosmos4u@scicomm.xyz
2025-10-28 17:51:06

GW241011 and GW241110 - Exploring Binary Formation and Fundamental Physics with Asymmetric, High-spin #BlackHole Coalescences: iopscience.iop.org/article/10. -> Colliding black holes might have formed from earlier cosmic smashups: caltech.edu/about/news/collidi and ligo.caltech.edu/news/ligo2025 and ozgrav.org/news/twin-black-hol - two recent detections have given the international LIGO-Virgo-KAGRA collaboration new insights into black hole formation and evolution -> Gravitational Wave Detectors Spot Merging Black Holes That Have Merged Before: aasnova.org/2025/10/28/not-the

@cosmos4u@scicomm.xyz
2025-11-28 12:54:29

Follow-up observations of peculiar dusty objects close to Sgr A* using ERIS: #BlackHole - research in Cologne shows stable orbits around Sagittarius A*: uni-koeln.de/en/university/new

@cosmos4u@scicomm.xyz
2025-09-22 22:34:35

Illuminating #BlackHole Shadows with #DarkMatter Annihilation: #EventHorizonTelescope (EHT) has significantly advanced our ability to study black holes, achieving unprecedented spatial resolution and revealing horizon-scale structures. [...] By analyzing the black hole image morphology and performing electron-positron propagation calculations in realistic plasma backgrounds derived from general relativistic magnetohydrodynamic simulations, we set stringent constraints on dark matter annihilation, requiring contributions below the astrophysical emission."

@cosmos4u@scicomm.xyz
2025-09-22 20:46:38

X-Ray Investigation of Possible Super-Eddington Accretion in a Radio-loud Quasar at z = 6.13: #BlackHole With Tremendous Growth: chandra.si.edu/press/25_releas and chandra.si.edu/photo/2025/red6/

@cosmos4u@scicomm.xyz
2025-11-19 21:30:21

Extreme properties of a compact and massive accreting black hole host in the first 500 Myr: #BlackHole in the early Universe: esawebb.org/news/weic2522/

@cosmos4u@scicomm.xyz
2025-11-18 21:08:14

XL-Calibur Polarimetry of Cyg X-1 Further Constrains the Origin of Its Hard-state X-Ray Emission: #BlackHole secrets: source.washu.edu/2025/11/a-new

@cosmos4u@scicomm.xyz
2025-10-14 18:42:23

(Follow-Up to an earlier paper about #GRB250702B in the thread) Discovery of a #GammaRayBurst from a #BlackHole Falling into a Star: arxiv.org/abs/2509.22792 -> discussion scicomm.xyz/@johncarlosbaez@ma

@cosmos4u@scicomm.xyz
2025-10-08 11:19:55

The Discovery of a Large Active Wind from the Milky Way's Central #BlackHole: arxiv.org/abs/2509.10615 -> Missing wind from Milky Way’s giant black hole finally found: science.org/content/article/mi - astronomers may have glimpsed a long-predicted wind of gas blowing out from Sagittarius A*.