Tag: #blackholes

Gravitational-wave catalog reveals long-predicted ‘missing’ range in black hole masses

Analysis of dozens of LIGO-Virgo-KAGRA mergers finds evidence for the pair-instability mass gap, linking black hole sizes to stellar deaths.

#gravitationalwaves, #blackholes, #ligo, #astrophysics, #stars

Reanalysis of Landmark LIGO Signal Suggests Black Hole–Neutron Star Crash Had an Oval Orbit

A new study finds GW200105 kept a surprisingly eccentric orbit before merging, pointing to formation in dense clusters or triple-star systems.

#gravitationalwaves, #ligo, #blackholes, #neutronstars, #astrophysics

New LIGO–Virgo–KAGRA Catalog Lists 218 Gravitational-Wave Events, Nearly Doubling Known Cosmic Mergers

GWTC-4 adds 128 new detections from 2023–24, expanding the menagerie of black-hole and neutron-star mergers and sharpening tests of cosmology.

#ligo, #gravitationalwaves, #blackholes, #astronomy, #cosmology

LIGO’s latest catalog doubles the haul of gravitational-wave detections, revealing new black hole patterns

The GWTC-4.0 catalog adds 128 new merger candidates from LIGO’s latest run, bringing the total to 218 and sharpening clues about black holes and cosmic expansion.

#gravitationalwaves, #ligo, #blackholes, #astronomy, #cosmology

NANOGrav Detects Low-Frequency Gravitational Waves, Advancing Astrophysical Research

NANOGrav detects low-frequency gravitational waves, unveiling new insights into cosmic events and supermassive black holes.

#gravitationalwaves, #nanograv, #astrophysics, #blackholes, #pulsars