Survey of CM Continuum Emission Toward Protostars in Taurus

Details Survey of CM Continuum Emission Toward Protostars in Taurus Survey of CM Continuum Emission Toward Protostars in Taurus

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999alma.confe..52s&link_type=abstract

Science with the Atacama Large Millimeter Array (ALMA), Associated Universities, Inc., held October 6-8, 1999 at Carnegie Instit

Computer Science

Co, Emission, Taurus, Vla, Protostars, Accretion

Scientific paper

We carried out 3.6 cm VLA observations of 17 embedded sources with CO wing emission in Taurus. We detected continuum emission toward 12 embedded sources and 7 were newly detected. Most detected sources are not resolved with 3" beam. The X band emission at the embedded phase likely originates from partially thick thermal free-free emission of ionized jets (e.g. Anglada et al. 1998). Our results indicate that the compact thermal jets (< 100 AU) are ubiquitous phenomena even in low-mass protostars. Although X band fluxes of some detected sources in our study are in agreement with those measured previously, we found that the flux of L1551 NE became stronger by a factor of a few as that in 1994 (Rodriguez et al. 1995). This result suggests that the jet activity, probably related to accretion rate, changed in a few years. We also discuss observations of jets around low-mass protostars with the ALMA array. Anglada, G. et al. 1998, AJ, 116, 2953 Rodriguez, L. F. et al. 1995, ApJ, 454, L149

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