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CTB 1, also known as G116.9+00.1 and AJG 110, [1] nicknamed the Medulla Nebula, [2] is a supernova remnant located in the constellation Cassiopeia. It was discovered as a radio source in 1960 in a study of galactic radiation carried out at a frequency of 960 MHz.
List of all known (extra)galactic supernova remnants at The Open Supernova Catalog Archived 2016-03-03 at the Wayback Machine. Chandra Galactic SNR gallery; SNRcat, the online high-energy catalogue of supernova remnants
W49B (also known as SNR G043.3-00.2 or 3C 398) is a nebula in Westerhout 49 (W49). The nebula is a supernova remnant , probably from a type Ib or Ic supernova that occurred around 1,000 years ago. It may have produced a gamma-ray burst and is thought to have left a black hole remnant.
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G290.1-0.8 (also known as MSH 11-61A [2]) is a supernova remnant in the constellation Carina. [3] It is located in the Galactic plane of the galaxy in the Carina arm. [4]The supernova remnant has two bright spots opposite symmetric to each other on a symmetry axis running towards north west-south east direction.
SN 1054 remnant (Crab Nebula). A supernova remnant (SNR) is the structure resulting from the explosion of a star in a supernova. The supernova remnant is bounded by an expanding shock wave, and consists of ejected material expanding from the explosion, and the interstellar material it sweeps up and shocks along the way.
Although historically estimates of the distance to Kesteven 75 have varied significantly between 5,000 and 21,000 parsecs, recent analyzes based on H I observations place this supernova remnant at 5,800 ± 500 parsecs from Earth. [10] On the other hand, Kesteven 75 is a very young supernova remnant, with an age of less than 840 years.
9.3 C33 NGC 6992: East Veil Nebula: Supernova Remnant: 2.5 Cygnus: 7 C34 NGC 6960: West Veil Nebula: Supernova Remnant: 2.5 Cygnus: 7 C35 NGC 4889: Coma B: Supergiant Elliptical Galaxy: 300,000 Coma Berenices: 11.4 C36 NGC 4559 Spiral Galaxy: 32,000 Coma Berenices: 9.9 C37 NGC 6885 Open Cluster: 1.95 Vulpecula: 6 C38 NGC 4565: Needle Galaxy ...