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

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

Simultaneous detections of a short Gamma-Ray Burst by Fermi/GBM, INTEGRAL, and as gravitational wave by LIGO/Virgo, followed by MPG/GROND multi-wavelength ...

Gamma-ray burst - Wikipedia

In gamma-ray astronomy, gamma-ray bursts (GRBs) are immensely energetic explosions that have been observed in distant galaxies, being the brightest and most ...

The unusual afterglow of the gamma-ray burst 100621A

The afterglow of GRB 100621A shows a very complex temporal and spectral evolution. We identify three different emission components.

The Mystery of the Gamma-Ray Bursts | Astronomy

This accounts for the afterglow of X-rays, visible light, and radio waves—the glow comes at longer and longer wavelengths as the blast continues to lose energy.

New study questions decades-long understanding of gamma ray ...

system. The new source turned out to be the brightest gamma-ray burst ever observed ... the X-ray and visible light alone. “At first we ...

Hubble Finds 'Smoking Gun' After Gamma-Ray Blast - HubbleSite

The visible-light afterglow was detected at the William Herschel Telescope and its distance was determined with the Gran Telescopio Canarias, ...

NASA's Fermi Telescope Sees Most Extreme Gamma-Ray Blast Yet

The first gamma-ray burst to be seen in high-resolution from NASA's Fermi Gamma-ray Space Telescope is one for the record books.

Ultra-bright gamma-ray burst shakes up theories of light production

Scroll down on this page to see video animations and more illustrations of one of the brightest gamma-ray explosions ever seen, the burst named ...

Astronomers race to make sense of brightest gamma ray burst ever ...

On Oct. · The burst triggered detectors on numerous spacecraft, and observatories around the globe followed up. · "This flash of gamma rays was ...

ESA - Gamma-ray bursts: are we safe? - European Space Agency

This was the first piece of hard evidence that GRBs were linked to exploding stars, similar to supernovae. Now, XMM-Newton has captured another X-ray afterglow ...

Gamma-Ray Bursts: Radiation Flashes in the Sky | AMNH

The afterglows, which can last for hours or even days, cascade down the electromagnetic spectrum – through x-rays, ultraviolet, visible, and infrared, all the ...

Cosmic explosion leads to first-of-its-kind gamma-ray burst detection

The light following the burst, called the afterglow emission, also exhibited unusual features. Fermi detected high-energy gamma rays starting ...

Gamma Ray Bursts - aavso

There are two kinds of gamma-ray burst, known as long-soft and short-hard, referring to their duration, and the nature of their gamma-ray emission. Long-soft ...

Glimpsing the Infrastructure of a Gamma-Ray Burst Jet - NASA

“Just four minutes after it received Swift's trigger, the telescope found the burst's visible afterglow and began making thousands of ...

Afterglow emission in gamma-ray bursts – I. Pair-enriched ambient ...

Afterglow radiation in gamma-ray bursts (GRBs) is attributed to external shocks produced by the interaction between the ultrarelativistic ejecta and the ...

Gamma Ray Burst Afterglow | COSMOS

Although no formal definition exists, this smoothly varying, lower energy radiation that may be visible for several days following the GRB itself, is usually ...

The Bright Optical Flash and Afterglow from the Gamma-Ray Burst ...

The optical light generated simultaneously with x-rays and gamma rays during a gamma-ray burst (GRB) provides clues about the nature of the explosions that ...

Chapter 23 Section 23.6: The Mystery of the Gamma-Ray Bursts

The May gamma-ray burst afterglow spectrum showed absorption features from a fuzzy object that was 4 billion light-years from the Sun, meaning that the location ...

Brightest gamma-ray burst illuminates our galaxy as never before

ESA space telescopes have observed the brightest gamma-ray burst ever seen ... afterglow, is still visible and will remain so for a long ...

Gamma Ray Burst afterglow and prompt-afterglow relations

The mechanism responsible for the afterglow emission of Gamma Ray Bursts (GRBs) and its connection to the prompt γ-ray emission is still a debated issue.