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This graph of the luminosity as a function of time shows the characteristic shapes of the light curves for a Type II-L and II-P supernova. [clarification needed] When the spectrum of a Type II supernova is examined, it normally displays Balmer absorption lines – reduced flux at the characteristic frequencies where
SN 1993J is a supernova observed in Bode's Galaxy.It was discovered on 28 March 1993 by F. Garcia in Spain. [3] At the time, it was the second-brightest type II supernova observed in the twentieth century behind SN 1987A, [4] peaking at a visible apparent magnitude of 10.7 on March 30, with a second peak of 10.86 on April 18.
Supernova 1987A is the bright star at the centre of the image, near the Tarantula Nebula. SN 1987A was a type II supernova in the Large Magellanic Cloud, a dwarf satellite galaxy of the Milky Way. It occurred approximately 51.4 kiloparsecs (168,000 light-years) from Earth and was the closest observed supernova since Kepler's Supernova in 1604.
A supernova (pl.: supernovae or supernovas) is a powerful and luminous explosion of a star. ... (a graph of the supernova's apparent magnitude as a function of time). ...
Supernova: SN 1000+0216: z=3.8993 [1] Type Ia supernova: SN UDS10Wil z=1.914 [2] Type Ia supernova: SN SCP-0401 z=1.71 First observed in 2004, it was not until 2013 ...
The supernova was about 21 million light-years from Earth and is expected to have left behind either a neutron star or black hole, based on current stellar evolution models. The supernova is located near a prominent HII region, NGC 5461, in an outer spiral arm of the bright galaxy. [3] By 22 May 2023, SN 2023ixf had brightened to about ...
Comparative supernova type light curves. Light curves from supernovae can be indicative of the type of supernova. Although supernova types are defined on the basis of their spectra, each has typical light curve shapes. Type I supernovae have light curves with a sharp maximum and gradually decline, while Type II supernovae have less sharp maxima ...
SN 2022jli is a Type Ic supernova discovered in 2022 in the spiral galaxy NGC 157 at a distance of about 23 Mpc. The light curve of the supernova exhibited oscillations that are interpreted as an interaction of a companion star of the star that exploded with a compact object, probably a neutron star or a black hole .