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Gamma|ray burst and its visible afterglow seen simultaneously with ...


Gamma-ray Burst Surprise - Sky & Telescope

From its length alone, its identity ought to have been obvious: Long gamma-ray bursts herald supernovae, while shorter gamma-ray bursts signal a ...

Gamma-Ray Bursts - Astronomy Online

A supernova within our galaxy seems to fit with the apparent brightness detected since at least a 3 solar mass star is required to provide the nucleosynthesis ...

French-Chinese satellite to unlock the secrets of gamma-ray bursts

"Although gamma-ray bursts are only visible for a few seconds or minutes, we can observe the formation of the new black hole for several hours ...

Focusing on the Brightest Gamma-ray Burst of All Time - AAS Nova

GRB 221009A's X-ray afterglow is more than an order of magnitude brighter than other gamma-ray bursts observed by the Swift Observatory, and ...

Kilonova Discovery Challenges our Understanding of Gamma-Ray ...

International Gemini Observatory probes aftermath of gamma-ray burst and uncovers surprising evidence of colliding neutron stars.

Colliding Neutron Stars can Generate Long Gamma-ray Bursts

Mei and his team have an idea why the kilonovae created such a long afterglow. “This is the first time we've seen such an excess of high-energy ...

Gamma-ray bursts - Physics World

This allowed astronomers to image the burst, revealing a rapidly fading point of light near a faint nebula. Another gamma-ray burst was found in ...

Brightest gamma-ray burst of all time came from the collapse of a ...

In 2022, astronomers discovered the brightest gamma-ray burst (GRB) of all time. Now, astronomers confirm that a 'normal' supernova, ...

Neutron Star Merger Directly Observed for the First Time

The new observations confirm that at least some short gamma-ray bursts are generated by the merging of neutron stars—something that was only ...

OBSERVATION OF GAMMA-RAY BURSTS BY BEPPOSAX

It has been able to detect, localize, and follow up a few. GRBs on very short time scales. This allowed for the discovery of the first X-ray afterglow of a GRB.

Gamma-Ray Burst Smashes a Record | NSF

Astronomers have used a close collaboration between space-based and ground-based telescopes to detect the most distant cosmic explosion yet seen ...

Front-row view reveals exceptional cosmic explosion | ScienceDaily

... the most energetic radiation and longest gamma-ray afterglow of a so-called gamma-ray burst to date ... visible to the H.E.S.S. telescopes ...

Astronomers witness 'teenage' years of our universe in explosion

Short gamma ray bursts are incredibly energetic and bright, occurring when the dense remains of exploded stars, called neutron stars, collide.

Gamma Ray Burst Afterglow Observations - Clemson OPEN

As we can see in Figure 5.2, as the redshift increases, certain bands drop out - the burst is no longer visible in those bands. Page 40. Figure 5.1 Bursts ...

Gamma-ray burst supports hypernova hypothesis - CERN Courier

The afterglow of GRB030329 lingered for weeks in lower energy X-ray and visible ... 2003) by members of the Gamma-Ray Burst Afterglow ...

Gamma ray bursts could help unravel how fast the universe is ...

They found that 179 of the GRBs in their sample exhibited an afterglow after the main explosion, probably caused by fast-spinning newborn ...

DESY News: Front-row view reveals exceptional cosmic explosion

When looking exactly down a jet, the event becomes visible as a gamma-ray burst (GRB). Roughly 900 million years later, radiation from this ...

Gamma-Ray Bursts: Crash Course Astronomy #40 - YouTube

... visible for billions of light years, and both are also the birth announcements of black holes. Check out the Crash Course Astronomy solar ...

RHESSI Sees a Gamma-Ray Burst - NASA SVS

The X-ray spectrographic imager observed a serendipitous gamma-ray burst ... explosion is followed by a graceful afterglow of the dying embers.

Focus on the Ultra-luminous Gamma-Ray Burst GRB 221009A

The initial reports by the GBM and Konus-Wind teams as the brightest gamma-ray burst in their samples sent a clarion call to humanity's astronomical resources.