Formation of planetary debris discs around white dwarfs – II. Shrinking extremely eccentric collisionless rings | Zendy

Dimitri Veras | Zendy; Z. M. Leinhardt | Zendy; Siegfried Eggl | Zendy; B. T. Gänsicke | Zendy

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Formation of planetary debris discs around white dwarfs – II. Shrinking extremely eccentric collisionless rings

Author(s) -

Dimitri Veras,

Z. M. Leinhardt,

Siegfried Eggl,

B. T. Gänsicke

Publication year - 2015

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/stv1195

Subject(s) - physics , white dwarf , radius , debris , orbital eccentricity , astrophysics , orbit (dynamics) , planet , astronomy , stars , meteorology , computer security , computer science , engineering , aerospace engineering

The formation channel of the tens of compact debris discs which orbit white dwarfs (WDs) at a distance of 1 R⊙ remains unknown. Asteroids that survive the giant branch stellar phases beyond a few au are assumed to be dynamically thrust towards the WD and tidally disrupted within its Roche radius, generating extremely eccentric (e > 0.98) rings. Here, we establish that WD radiation compresses and c...

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