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  2. Isotopes of titanium - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_titanium

    Naturally occurring titanium (22 Ti) is composed of five stable isotopes; 46 Ti, 47 Ti, 48 Ti, 49 Ti and 50 Ti with 48 Ti being the most abundant (73.8% natural abundance).Twenty-one radioisotopes have been characterized, with the most stable being 44 Ti with a half-life of 60 years, 45 Ti with a half-life of 184.8 minutes, 51 Ti with a half-life of 5.76 minutes, and 52 Ti with a half-life of ...

  3. History of supernova observation - Wikipedia

    en.wikipedia.org/wiki/History_of_supernova...

    The gamma rays from the decay of titanium-44 showed that it must have exploded fairly recently (perhaps around 1200 AD), but there is no historical record of it. The flux of gamma rays and x-rays indicates that the supernova was relatively close to us (perhaps 200 parsecs or 600 ly).

  4. Supernova - Wikipedia

    en.wikipedia.org/wiki/Supernova

    The date of the Cassiopeia A supernova event was determined from light echoes off nebulae, [31] while the age of supernova remnant RX J0852.0-4622 was estimated from temperature measurements [32] and the gamma ray emissions from the radioactive decay of titanium-44. [33] Jades Deep Field.

  5. List of supernovae - Wikipedia

    en.wikipedia.org/wiki/List_of_supernovae

    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.

  6. Supernova nucleosynthesis - Wikipedia

    en.wikipedia.org/wiki/Supernova_nucleosynthesis

    Supernova nucleosynthesis is the nucleosynthesis of chemical elements in supernova explosions.. In sufficiently massive stars, the nucleosynthesis by fusion of lighter elements into heavier ones occurs during sequential hydrostatic burning processes called helium burning, carbon burning, oxygen burning, and silicon burning, in which the byproducts of one nuclear fuel become, after ...

  7. List of most distant supernovae - Wikipedia

    en.wikipedia.org/wiki/List_of_most_distant...

    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 ...

  8. SN 2005E - Wikipedia

    en.wikipedia.org/wiki/SN_2005E

    SN 2005E (aka 2005-1032) was a calcium-rich supernova first observed in January 2005 that scientists concluded was a new type of cosmic explosion. [1] The explosion originated in the galaxy NGC 1032, approximately 100 million light years away. [2] [3] Location: 02 h 39 m 14.34 s +01° 05′ 55.0″ (Epoch J2000)

  9. SN 2016aps - Wikipedia

    en.wikipedia.org/wiki/SN_2016aps

    SN 2016aps (also known as PS16aqy and AT2016aps) is the brightest and most energetic supernova explosion ever recorded. [2] [3] It released more energy than ASASSN-15lh. [4]In addition to the sheer amount of energy released, an unusually large amount of the energy was released in the form of radiation, probably due to the interaction of the supernova ejecta and a previously lost gas shell.