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Hen 2-428 is a planetary nebula with a binary double white dwarf system core. This core star system is the first discovered candidate for Type Ia supernova through binary white dwarf merger process. At the time of its discovery, the star system at the core was the heaviest known double white dwarf binary star system.

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rdfs:label
  • Hen 2-428 (en)
  • Hen 2-428 (ru)
  • Henize 2-428 (sv)
  • 海因斯2-428 (zh)
rdfs:comment
  • Hen 2-428 is a planetary nebula with a binary double white dwarf system core. This core star system is the first discovered candidate for Type Ia supernova through binary white dwarf merger process. At the time of its discovery, the star system at the core was the heaviest known double white dwarf binary star system. (en)
  • Henize 2-428 är en planetarisk nebulosa i Örnen. Inuti den finns två stora vita dvärgar som kommer att gå samman och bilda en stjärna inom 700 miljoner år. Stjärnan kommer att explodera som en supernova a typ Ia. (sv)
  • Hen 2-428 (Henize 2-428) — планетарная туманность, содержащая в ядре систему из двух белых карликов. Такая двойная система является первым открытым кандидатом в сверхновые типа Ia, происходящие в данном случае при слиянии двух белых карликов. На момент обнаружения данная система являлась наиболее тяжёлой среди открытых систем из двух белых карликов. (ru)
  • 海因斯2-428是在核心有著兩顆白矮星聯星系統的行星狀星雲,這個核心的兩顆白矮星系統是第一個被發現的Ia超新星候選者。在它們被發現的當時,這個恆星系統是已知最重的白矮星雙星系統。 (zh)
name
  • Hen 2-428 (en)
  • Star system (en)
dcterms:subject
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constellation
caption
  • ESO image of Hen 2-428 (en)
  • This artist's impression video shows the central part of the planetary nebula with the two white dwarf stars as draw closer to each other and merge. This event will create a Type-Ia supernova and destroy both stars. (en)
class
  • D (en)
constell
epoch
names
  • Henize 2-428, Hen 2-428, He 2-428, PN G049.4+02.4, M 4-12, ARO 186, PK 49+02 1, IRAS 19108+1541 (en)
  • ESO 228-6, 2MASS J17360694-4925453 (en)
Simbad
  • Hen+2-248 (en)
type
  • planetary (en)
has abstract
  • Hen 2-428 is a planetary nebula with a binary double white dwarf system core. This core star system is the first discovered candidate for Type Ia supernova through binary white dwarf merger process. At the time of its discovery, the star system at the core was the heaviest known double white dwarf binary star system. (en)
  • Henize 2-428 är en planetarisk nebulosa i Örnen. Inuti den finns två stora vita dvärgar som kommer att gå samman och bilda en stjärna inom 700 miljoner år. Stjärnan kommer att explodera som en supernova a typ Ia. (sv)
  • Hen 2-428 (Henize 2-428) — планетарная туманность, содержащая в ядре систему из двух белых карликов. Такая двойная система является первым открытым кандидатом в сверхновые типа Ia, происходящие в данном случае при слиянии двух белых карликов. На момент обнаружения данная система являлась наиболее тяжёлой среди открытых систем из двух белых карликов. (ru)
  • 海因斯2-428是在核心有著兩顆白矮星聯星系統的行星狀星雲,這個核心的兩顆白矮星系統是第一個被發現的Ia超新星候選者。在它們被發現的當時,這個恆星系統是已知最重的白矮星雙星系統。 (zh)
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