shell, producing a super-luminous supernova. Ultra-stripped supernovae occur when the exploding star has been stripped (almost) all the way to the metal...
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Common envelope jets supernova (CEJSN) is a type of supernova, where the explosion is caused by the merger of a giant or supergiant star with a compact...
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March 2023, a third supernova appeared in this galaxy: SN 2023dbc (Type Ic, mag. 17). 2023dbc is likely a stripped-envelope supernova as there is no evidence...
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Type Ib and Ic supernovae (redirect from Type Ib supernova)
initial envelope, including most of their helium. The two types are usually referred to as stripped core-collapse supernovae. When a supernova is observed...
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Re'im music festival massacre (redirect from Supernova Sukkot festival massacre)
Israel from the Gaza Strip. As part of the attack, 364 individuals, mostly civilians, were killed and many more wounded at the Supernova Sukkot Gathering...
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SN 386 (section Suggested as supernova)
; Roberts, M.S.E. (2016). "G11.2-0.3: the young remnant of a stripped-envelope supernova". Astrophysical Journal. 819 (2): 160. arXiv:1602.03531. Bibcode:2016ApJ...
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mass loss. Such a star will still have a hydrogen envelope and will explode as a Type II supernova. Faint Type II supernovae have been observed, but no...
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and Ic supernovae are a type of core-collapse supernova for a massive star that has shed its outer envelope of hydrogen and (for Type Ic) helium. As a result...
49 KB (4,792 words) - 00:40, 25 August 2024
A Type Ia supernova (read: "type one-A") is a type of supernova that occurs in binary systems (two stars orbiting one another) in which one of the stars...
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Stellar evolution (section Supernova)
mass so rapidly due to radiation pressure that they tend to strip off their own envelopes before they can expand to become red supergiants, and thus retain...
50 KB (6,476 words) - 21:57, 11 September 2024
A hypernova is a very energetic supernova which is believed to result from an extreme core collapse scenario. In this case, a massive star (>30 solar...
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luminosity (much like that of type II-P supernova) powered by the recombination of hydrogen in the envelope. After that the luminosity should decrease...
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White dwarf (section Post-common envelope binary)
A close candidate to being a survivor of a type Ia supernova is WD 0810-353. A post-common envelope binary (PCEB) is a binary consisting of a white dwarf...
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Supergiant (section Supernova progenitors)
an iron core, at which point the core collapses to produce a Type II supernova. Once these massive stars leave the main sequence, their atmospheres inflate...
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to the drop in brightness after the initial supernova peak, the characteristic of a Type II-P supernova. The most luminous red supergiants, at near solar...
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whereas binary stars undergo much-more-complex evolution through envelope stripping leading to less predictable outcomes. Luminous blue variable stars...
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the collapsed core of a massive supergiant star. It results from the supernova explosion of a massive star—combined with gravitational collapse—that...
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observe and write about a supernova, now known as SN 185. The brightest stellar event in recorded history was the SN 1006 supernova, which was observed in...
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from the collapse of stars with unusually strong magnetic fields. In a supernova, a star collapses to a neutron star, and its magnetic field increases...
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Eta Carinae (section Potential supernova)
comparable to other supernova impostors detected in external galaxies. It does not currently lie on the S Doradus instability strip, although it is unclear...
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undergoing fusion forming helium (known as hydrogen burning), and a very large envelope of material of composition similar to main-sequence stars (except in the...
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expanded gaseous envelope. When the white dwarf approaches the Chandrasekhar limit of 1.4 solar masses (M☉), it may explode as a Type Ia supernova. This star...
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A circumstellar envelope (CSE) is a part of a star that has a roughly spherical shape and is not gravitationally bound to the star core. Usually circumstellar...
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goes supernova. Because no supernova is perfectly symmetric, and because the binding energy of the binary changes with the mass lost in the supernova, the...
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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...
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Supernova impostors are stellar explosions that appear at first to be a supernova but do not destroy their progenitor stars. As such, they are a class...
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It is speculated that some massive black dwarfs may eventually produce supernova explosions. These will occur if pycnonuclear (density-based) fusion processes...
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and strips the companion star of its hydrogen envelope, turning it into a helium star.: 5788 The helium star eventually explodes in an ultra-stripped supernova...
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Stellar structure (redirect from Hydrogen envelope)
transparent to ultraviolet radiation. Thus, massive stars have a radiative envelope. The lowest mass main sequence stars have no radiation zone; the dominant...
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may have a companion star that stripped its outer envelope. It is widely suspected that many type Ib and type Ic supernova progenitors are WR stars, although...
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