A Micro Jet in the Extremely Young Protostar S106 FIR

Details A Micro Jet in the Extremely Young Protostar S106 FIR A Micro Jet in the Extremely Young Protostar S106 FIR

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999sf99.proc..297f&link_type=abstract

Star Formation 1999, Proceedings of Star Formation 1999, held in Nagoya, Japan, June 21 - 25, 1999, Editor: T. Nakamoto, Nobeyam

Physics

1

Scientific paper

We discovered an AU-scale ``micro jet'' traced by H2O masers in the center of the submillimeter core of S106 FIR. Two clusters of H2O masers separated by 50 AU (~ 80mas) were found by VLBA observations. The east and west clusters are red- and blueshifted with respect to the ambient cloud velocity; both are expanding away from the center. Further VLBA proper motion measurements successfully track the motions of the micro jet. These results together with the absence of distinct CO molecular outflows strongly suggest S106 FIR is an object in the earliest stages of star formation.

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