Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21340618c&link_type=abstract
American Astronomical Society, AAS Meeting #213, #406.18; Bulletin of the American Astronomical Society, Vol. 41, p.202
Astronomy and Astrophysics
Astronomy
Scientific paper
Brown dwarfs and very low mass stars constitute a crucial link between the intertwined processes of star formation and planet formation. To date, however, observational methods to uncover their formation mechanism or determine important properties such as mass and age have been lacking. Pulsation powered by deuterium burning in brown dwarfs and very low mass stars is a newly suggested phenomenon that offers unprecedented opportunities to probe the interiors and evolution of these objects. We have initiated a photometric campaign to search for this putative class of pulsators among low-mass members of several young star clusters. Our monitoring technique is targeted to identify low-amplitude periodic variables with periods on the order of one hour, and initial results indicate several candidate pulsators near our detection limit. We expect the identification of variability in young objects near the substellar boundary to result in some valuable secondary science, as well as ultimately provide a way to correlate observational data with fundamental parameters via the techiniques of seismology.
Cody Ann Marie
Hillenbrand Lynne
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