• Thumbnail for IC 443
    IC 443 (also known as the Jellyfish Nebula and Sharpless 248 (Sh2-248)) is a galactic supernova remnant (SNR) in the constellation Gemini. On the plane...
    12 KB (1,333 words) - 13:25, 29 June 2024
  • Thumbnail for Supernova
    Gamma rays from pion-decay have been detected from the supernova remnants IC 443 and W44. These are produced when accelerated protons from the remnant impact...
    201 KB (21,892 words) - 01:14, 4 July 2024
  • Thumbnail for VERITAS
    2010; detection of extended gamma-ray emission from the Jellyfish Nebula or IC 443, followed by detailed morphological studies by VERITAS which, when combined...
    30 KB (3,479 words) - 01:36, 27 November 2023
  • Thumbnail for List of supernova remnants
    39m +27° 50′ ~40,000 years ago 6.5 3,000 ? neutron star PSR J0538+2817 IC 443 also known as jellyfish nebulae 06h 18m 02.7s +22° 39′ 36″ ~30,000 years...
    13 KB (360 words) - 04:34, 13 July 2024
  • Thumbnail for Eta Geminorum
    supernova remnant shell IC 443. Further east around μ Gem is the emission nebula S249. In between is the small faint emission nebula IC 444 around the 7th...
    18 KB (1,633 words) - 03:11, 1 July 2024
  • Thumbnail for Astrophysical maser
    WISE image of IC 443, a supernova remnant with maser emission...
    31 KB (3,823 words) - 18:08, 16 July 2024
  • Thumbnail for NGC 443
    d'Arrest (and later listed as NGC 443), and was also spotted on October 17, 1903 by Stéphane Javelle (and later listed as IC 1653). It was described by Dreyer...
    2 KB (111 words) - 19:01, 5 June 2023
  • Thumbnail for Chandra X-ray Observatory
    students, using Chandra data, discovered a neutron star in supernova remnant IC 443. Observations by Chandra and BeppoSAX suggest that gamma-ray bursts occur...
    38 KB (3,667 words) - 23:45, 20 June 2024
  • Thumbnail for Geminga
    left: Geminga, IC 443 and the Crab Nebula. right: The halo around the pulsar Geminga seen by Fermi after removing bright sources...
    14 KB (1,501 words) - 17:42, 29 December 2023
  • Thumbnail for Sharpless catalog
    Sharpless 238 244 Crab Nebula Messier 1, NGC 1952, 248 Jellyfish Nebula IC 443, Sh2-248, Jellyfish Nebula 275 Rosette Nebula Sh2-275, CTB 21 279 Running...
    8 KB (411 words) - 21:21, 29 October 2023