Stochastic accretion of planetesimals on to white dwarfs: constraints on the mass distribution of accreted material from atmospheric pollution

This paper explores how the stochastic accretion of planetesimals on to white dwarfs would be manifested in observations of their atmospheric pollution. Archival observations of pollution levels for unbiased samples of DA and non-DA white dwarfs are used to derive the distribution of inferred accret...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2014-04, Vol.439 (4), p.3371-3391
Hauptverfasser:	Wyatt, M. C., Farihi, J., Pringle, J. E., Bonsor, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Air pollution Atmosphere Planets Sciences of the Universe Star & galaxy formation White dwarfs
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