GRB 051221A was a gamma ray burst (GRB) that was detected by NASA's Swift Gamma-Ray Burst Mission on December 21, 2005. A gamma-ray burst is a highly luminous flash of gamma rays, the most energetic form of electromagnetic radiation. The coordinates of the burst were α=21h 54m 50.7s, δ=16° 53′ 31.9″, and it lasted about 1.4 seconds. The same satellite discovered X-ray emission from the same object, andthe GMOS Instrument on the Gemini Observatory discovered an afterglow in the visible spectrum. This was observed for the next ten days, allowing a redshift of Z = 0.5464 to be determined for the host galaxy. The gamma ray emission from this object is of the variety known as a short-hard burst. The energy emission is consistent with the model of a merger by compact objects. It was the most distant short-hard burst found to that date for which a redshift could be determined. The X-ray light curve showed evidence of three distinct breaks, possibly representing a strong energy injection. The energy may have been injected by a millisecond magnetar. That is, a rapidly rotating pulsar with a strong magnetic field, estimated at 1014 gauss (1010 teslas). (Wikipedia).
From playlist everything
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Link to longer video of 2011: http://vimeo.com/32619948
From playlist My Supra 1294 RWHP
From playlist STAT 503
This Gamma-Ray Burst Was the Most Powerful Energy Event Ever Recorded
This cataclysmic event just generated the “brightest” light in the known universe—and we detected it using MAGIC. » Subscribe to Seeker! http://bit.ly/subscribeseeker » Watch more Elements! http://bit.ly/ElementsPlaylist » Visit our shop at http://shop.seeker.com Scientists recently recor
From playlist Elements | Seeker
Magnetism Chapter 1_3 Magnetic Fields .wmv
Video 3 for the first Chapter on Magnetism.
From playlist PHY1506
Death From Space — Gamma-Ray Bursts Explained
There are cosmic snipers firing at random into the universe. What are they and what happens if they hit us? OUR CHANNELS ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ German Channel: https://kgs.link/youtubeDE Spanish Channel: https://kgs.link/youtubeES HOW CAN YOU SUPPORT US? ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
From playlist The Existential Crisis Playlist
This video was made for #MegaFavNumbers The sequence that is generated by cycles of bits and somehow related to prime numbers and multiplicative order of 2 mod 2n+1 Sequence: 3, 6, 15, 12, 255, 30, 63, 24, 315, 510, 33825, 60, 159783, 126, 255, 48, 65535, 630, 14942265, 1020, 4095, 67650
From playlist MegaFavNumbers
Gamma-Ray Bursts: Crash Course Astronomy #40
Gamma-ray bursts are not only incredible to study, but their discovery has an epic story all its own. Today Phil takes you through some Cold War history and then dives into what we know. Bursts come in two rough varieties: Long and short. Long ones are from hypernovae, massive stars explod
From playlist Astronomy
Strangest GRB Ever Seen Seems To Be a Completely New Phenomenon
Get a Wonderful Person Tee: https://teespring.com/stores/whatdamath More cool designs are on Amazon: https://amzn.to/3wDGy2i Alternatively, PayPal donations can be sent here: http://paypal.me/whatdamath Hello and welcome! My name is Anton and in this video, we will talk about a very stran
From playlist Mysteries of the Universe
How We Accidentally Discovered Gamma-Ray Bursts
Gamma-ray bursts are one of the biggest mysteries in modern astronomy, but the mystery began on accident, thanks to the Cold War! For special, curated artifacts of this universe, check out https://scishowfinds.com/ ---------- Support SciShow by becoming a patron on Patreon: https://www.pa
From playlist SciShow Space
Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/DonateSPACE Find out about the last time and the next time the Earth will be hit by a Gamma-ray Burst. You can learn more about your personal DNA story by going to https://23andme
From playlist The End(s) of the World
Never Before Seen Gamma Ray Burst Just Solved a Mystery
Good telescope that I've used to learn the basics: https://amzn.to/35r1jAk Get a Wonderful Person shirt: https://teespring.com/stores/whatdamath Alternatively, PayPal donations can be sent here: http://paypal.me/whatdamath Hello and welcome! My name is Anton and in this video, we will tal
From playlist Mysteries of the Universe
Gamma Ray Bursts & Associated Supernovae by Kuntal Misra
20 March 2017 to 25 March 2017 VENUE: Madhava Lecture Hall, ICTS, Bengaluru This joint program is co-sponsored by ICTS and SAMSI (as part of the SAMSI yearlong program on Astronomy; ASTRO). The primary goal of this program is to further enrich the international collaboration in the area
From playlist Time Series Analysis for Synoptic Surveys and Gravitational Wave Astronomy
Physics and astrophysics....(Course 2 - EM counterparts) - Lecture 4 by Kenta Hotokezaka
ORGANIZERS : Parameswaran Ajith, K. G. Arun and Bala R. Iyer DATE : 13 August 2018 to 24 August 2018 VENUE : Madhava Lecture Hall, ICTS, Bangalore This school is part of the annual ICTS summer schools on gravitational-wave (GW) astronomy. Recent observations of GW signals from coalesci
From playlist Summer School on Gravitational-Wave Astronomy - 2018
Magnetism Chapter 1_2 Magnetic Fields.wmv
Video 2 for the first Chapter on Magnetism.
From playlist PHY1506
Outtakes #5: Crash Course Astronomy
One last round of laughs with Phil as he struggles through some Bad Astronomy. -- Crash Course Astronomy Poster: http://store.dftba.com/products/crashcourse-astronomy-poster -- "Quirky Dog" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 http://creat
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From playlist Everyday How-to