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- WD_0137-349 abstract "WD 0137-349 is a binary star 300 light years from Earth. It is composed of a white dwarf and a brown dwarf in orbit around it. The orbital period is 2 hours. The orbit of the brown dwarf is slowly decaying.It is thought that the red giant phase of the current white dwarf was dramatically shortened from around 100 million years on average, to a few decades, because of the actions of the brown dwarf. The brown dwarf was swallowed into the envelope of the red giant, and hastened the expulsion of matter during this phase by rapidly heating gas and accreting a portion of it. During this phase, the gas drag also decreased the orbit of the brown dwarf.In about 1.4 billion years, it is thought that the orbit of the brown dwarf will have decayed sufficiently to allow the white dwarf to draw matter away and accrete it on its surface, leading to a recurrent nova.As of 2006, this brown dwarf is the smallest object known to survive being engulfed by a red giant phase. Previously, only red dwarfs had been known to survive being enveloped during a red giant phase. It is thought that objects smaller than 20 Jupiter masses would have evaporated.".
- WD_0137-349 wikiPageExternalLink wd0137-349.shtml.
- WD_0137-349 wikiPageExternalLink sim-id?protocol=html&Ident=WD0137-349&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id.
- WD_0137-349 wikiPageExternalLink 060802_swallow_dwarf.html.
- WD_0137-349 wikiPageID "6268141".
- WD_0137-349 wikiPageRevisionID "573942457".
- WD_0137-349 absmagV "15.33".
- WD_0137-349 appmagV "15.31".
- WD_0137-349 class "DA".
- WD_0137-349 constell Sculptor_(constellation).
- WD_0137-349 dec "-34".
- WD_0137-349 epoch "J2000".
- WD_0137-349 hasPhotoCollection WD_0137-349.
- WD_0137-349 ra "5982.9".
- WD_0137-349 radialV "70".
- WD_0137-349 variable "None".
- WD_0137-349 subject Category:Binary_stars.
- WD_0137-349 subject Category:Brown_dwarfs.
- WD_0137-349 subject Category:Sculptor_(constellation).
- WD_0137-349 subject Category:White_dwarfs.
- WD_0137-349 type CelestialBody.
- WD_0137-349 type Star.
- WD_0137-349 type PhysicalBody.
- WD_0137-349 comment "WD 0137-349 is a binary star 300 light years from Earth. It is composed of a white dwarf and a brown dwarf in orbit around it. The orbital period is 2 hours. The orbit of the brown dwarf is slowly decaying.It is thought that the red giant phase of the current white dwarf was dramatically shortened from around 100 million years on average, to a few decades, because of the actions of the brown dwarf.".
- WD_0137-349 label "WD 0137-349".
- WD_0137-349 label "WD 0137-349".
- WD_0137-349 sameAs WD_0137-349.
- WD_0137-349 sameAs m.0fzs9z.
- WD_0137-349 sameAs Q5178030.
- WD_0137-349 sameAs Q5178030.
- WD_0137-349 wasDerivedFrom WD_0137-349?oldid=573942457.
- WD_0137-349 isPrimaryTopicOf WD_0137-349.
- WD_0137-349 name "WD 0137-349A".
- WD_0137-349 name "WD 0137-349B".