Metals in the variable DA G29-38.

Details Metals in the variable DA G29-38. Metals in the variable DA G29-38.

Apr 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...320l..57k&link_type=abstract

Astronomy and Astrophysics, v.320, p.L57-L59

Astronomy and Astrophysics

Astrophysics

52

Stars: White Dwarfs, Stars: Abundances, Stars: Individual: G 29-38

Scientific paper

We report the detection of the heavy elements Ca, Mg, Fe in the atmosphere of the variable DA white dwarf G29-38. The abundance of Ca can be understood only if accretion from interstellar matter is going on currently at a high rate. This lends support also the interpretation of the observed infrared excess as due to heated circumstellar material, from which the accretion onto the star takes place.

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