Discovered just 6 billion years after the Big Bang, AT2025wet is the highest-redshift non-jetted tidal disruption event known, allowing researchers to probe the missing-energy puzzle.
The post Discovery of a Featureless Tidal Disruption Event at <em>z</em> ∼ 1 with the Wide Field Survey Telescope appeared first on AAS Nova.
The disks around young high-mass stars survive for roughly 3.72 million years, and those around low-mass stars survive for 7.20 million years, though the distributions for both populations are quite broad.
The post Disk Lifetime Distribution as a Function of the Mass of Host Star appeared first on AAS Nova.
Researchers have discovered a supernova that occurred when the universe was roughly 5 billion years old; if the supernova’s luminosity is similar to that of nearby events, it must have been magnified by a factor of 250.
The post A Natural ≳100× Telescope: Discovery of the Strongly Lensed Type II SN 2025mkn at <em>z</em> = 1.37 appeared first on AAS Nova.
Of 7,229 flares from 1,430 stars, most came from stars with temperatures below 4000K and rotation periods shorter than 4 days; most flares lasted less than 2 hours.
The post Magnetic Activity in X-Ray Stars from eROSITA: Insights from the TESS and LAMOST Surveys appeared first on AAS Nova.
An analysis of the fourth gravitational wave catalog supports the existence of a gap at 45 solar masses in the secondary black hole mass distribution, among other findings.
The post Trends in the Population of Binary Black Holes Following the Fourth Gravitational-Wave Transient Catalog: A Data-Driven Analysis appeared first on AAS Nova.
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