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SN 2011fe, initially designated PTF 11kly, was a Type Ia supernova discovered by the Palomar Transient Factory (PTF) survey on 24 August 2011 during an automated review of images of the Messier 101 from the nights of 22 and 23 August 2011.
The supernova continued to get brighter until 31 January, when it peaked at an apparent magnitude of 10.5. [4] SN 2014J was a popular target for amateur astronomers because it was located close to The Plough asterism (the 'Big Dipper') and visible all night for most Northern Hemisphere observers. [12] [13]
SN 2014J, an apparent Type Ia supernova, was observed in M82 on 21 January 2014. ... In Hinduism, Ursa Major/Big dipper/ Great Bear is known as Saptarshi, ...
SN 1054 remnant (Crab Nebula)A supernova is an event in which a star destroys itself in an explosion which can briefly become as luminous as an entire galaxy.This list of supernovae of historical significance includes events that were observed prior to the development of photography, and individual events that have been the subject of a scientific paper that contributed to supernova theory.
This is a list of observed supernova remnants (SNRs) in the Milky Way, as well as galaxies nearby enough to resolve individual nebulae, such as the Large and Small Magellanic Clouds and the Andromeda Galaxy.
Boom.In the colossal Pinwheel galaxy, 25 million light-years away, a star has just exploded and is even visible through small telescopes. The supernova-hunting astronomer Koichi Itagaki discovered ...
Only one supernova has been detected in Messier 81. [18] The supernova, named SN 1993J, was discovered on 28 March 1993 by F. García in Spain. [19] At the time, it was the second brightest type II supernova observed in the 20th century, [20] peaking at an apparent magnitude of 10.7. The spectral characteristics of the supernova changed over time.
Mizar's star is not a double star, but a four-star binary system located in the constellation Ursa Major (also known as the Big Dipper). This system consists of two pairs of double stars that are gravitationally bound to each other. Mizar is the second star from the end of the Big Dipper's handle, and Alcor its fainter companion. The ...