Discovery of a Low Mass Bipolar Molecular Outflow from L1014-IRS with the Submillimeter Array

Details Discovery of a Low Mass Bipolar Molecular Outflow from L1014-IRS with the Submillimeter Array Discovery of a Low Mass Bipolar Molecular Outflow from L1014-IRS with the Submillimeter Array

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...207.7415b&link_type=abstract

American Astronomical Society Meeting 207, #74.15; Bulletin of the American Astronomical Society, Vol. 37, p.1286

Astronomy and Astrophysics

Astrophysics

Scientific paper

With the discovery of the faint embedded source L1014-IRS, the Spitzer Space Telescope has opened a new window for the study of very low mass objects and the formation of brown dwarfs. Using the Submillimeter Array we report the discovery of a compact low mass bipolar molecular outflow from L1014-IRS and confirm its association with the L1014 dense core at 200 pc. Consequently, L1014-IRS is the lowest luminosity (L ˜ 0.09 L&sun;) and perhaps the lowest mass source known to be driving a bipolar molecular outflow, which is one of the smallest known in size ( ˜500 AU), mass (< 10-4 M&sun;), and energetics (e.g., with a force < 10-7 M&sun; km s-1 yr-1). These results suggest that L1014-IRS is either a very young protostar yet to accrete a significant fraction of its final mass, or will remain substellar, which would suggest that brown dwarfs can form in a manner broadly similiar to low mass stars.
T.L.B. acknowledges support from the Submillimeter Array Fellowship Program. The work of A.C. was supported by a Smithsonian Predoctoral Fellowship at the Smithsonian Astrophysical Observatory. P.C.M. acknowledges support from NASA Origins of Solar Systems Program Grant NAG 5-13050.

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