Spitzer Observations of Substellar Companions

Details Spitzer Observations of Substellar Companions Spitzer Observations of Substellar Companions

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sptz.prop20795l&link_type=abstract

Spitzer Proposal ID #20795

Computer Science

Scientific paper

Within the last ten years, the study of substellar objects has achieved spectacular success and present day studies have shifted substellar studies toward fundamental questions such as formation, evolution, and fundamental properties. Harder-to-measure parameters such as age and mass can only be measured with substellar companions. Observations of brown dwarf companions as standards become critical to understanding differences in field dwarfs where such parameters are unknown. Spitzer observations of known substellar comanions can be used as standard observations for time to come. Using the known quanties of the primary, the measured colors at mid-IR wavelengths, one can derive bolometric corrections and apply these to the nearly 500 field brown dwarfs now known but have unknown luminosities. Then models can be updated with the SEDs we can derive for the bright companions. Only Spitzer can allow these types of observations for questionable faint objects to come.

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