The circumstellar environment of TMR-1 - A young, low-mass star in the Taurus molecular ring

Details The circumstellar environment of TMR-1 - A young, low-mass star in the Taurus molecular ring The circumstellar environment of TMR-1 - A young, low-mass star in the Taurus molecular ring

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...362l..63t&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 362, Oct. 20, 1990, p. L63-L66. Research supported by NASA and Ca

Astronomy and Astrophysics

Astronomy

36

Infrared Sources (Astronomy), Molecular Clouds, Nebulae, Pre-Main Sequence Stars, Stellar Envelopes, Stellar Winds, Near Infrared Radiation, Star Formation, Stellar Mass Accretion, Stellar Radiation

Scientific paper

Near-infrared camera and Owens Valley millimeter interferometer data are presented that reveal the circumstellar environment of TMR-1 on scales of roughly 1000 AU. TMR-1 is a deeply embedded, young, low-mass star located in a rotating ring of material in the TMC-1/Heiles Cloud 2 region of the Taurus molecular cloud. The stellar wind cavity, as outlined by the extended infrared continuum emission at 2.2 microns, overlaps with the redshifted outflow detected in the (C-12)O data. High-density circumstellar material is seen in (C-13)O in emission and at 2.2 microns in absorption. The morphology suggests the high-density gas may either be part of a 1000 AU disk or may represent infalling material from the molecular cloud core. TMR-1 appears to be in an early wind-clearing phase of protostar formation.

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