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File:Periodic Table White Dwarfs.png

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Summary

Description
English: Elements listed in Klein et al. 2021. These elements represent exoasteroid/exocomet/exomoon material that was accreted into the atmosphere of white dwarfs after a planetary body was destroyed by the tidal forces close to the white dwarf in a so-called tidal disruption event (TDE).

Some of these elements can hint at a certain origin, if they are present in certain abundances or ratios with other elements.

The elements H, C, N and O can hint at an exocomet or exo-Kuiper-Belt-Object (Exo-KBO). This is due to the accretion of water-ice (H2O), carbon monoxide ice (CO) or nitrogen ice (N2).

Crust material is usually enhanced in lighter elements due to the differntiation and can show elevated levels of Lithium (Li) or Potassium (K). Beryllium (Be) is thought to originate in Exomoons due to spallation of oxygen, nitrogen and carbon, but crust material is also a possibility.

https://ui.adsabs.harvard.edu/abs/2021ApJ...914...61K/abstract
Date
Source Own work
Author Meli thev

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Captions

The periodic table showing elements detected in white dwarf atmospheres.

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periodic table

inception

21 March 2023

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