The periodicities in the infrared excess of G29-38 - an oscillating brown dwarf?

Details The periodicities in the infrared excess of G29-38 - an oscillating brown dwarf? The periodicities in the infrared excess of G29-38 - an oscillating brown dwarf?

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...348l..37m&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 348, Jan. 1, 1990, p. L37-L40. Research supported by NASA.

Astronomy and Astrophysics

Astrophysics

12

Brown Dwarf Stars, Infrared Stars, Periodic Variations, Stellar Oscillations, Stellar Atmospheres, Vibration Mode, White Dwarf Stars

Scientific paper

The oscillatory behavior of brown dwarfs has been investigated. The observed periodicities in the infrared excess of the white dwarf Giclas 29-38 are consistent with low-degree, intermediate radial order p-mode oscillations of a brown dwarf companion to the white dwarf. These oscillation modes have the correct frequencies, act on observable layers of the atmosphere, and may be excited to sufficient amplitudes to explain the observations.

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