The circumstellar environment of the emission-line star LkH-alpha 101

Details The circumstellar environment of the emission-line star LkH-alpha 101 The circumstellar environment of the emission-line star LkH-alpha 101

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...362..674b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 362, Oct. 20, 1990, p. 674-690. Research supported by JPL.

Astronomy and Astrophysics

Astrophysics

24

Emission Spectra, Pre-Main Sequence Stars, Stellar Envelopes, Stellar Spectra, Astronomical Spectroscopy, Molecular Clouds, Star Formation, Stellar Winds

Scientific paper

The environs of the premain-sequence, emission-line star, LkH-alpha 101, have been observed by broad-band CCD imaging, high-resolution optical spectroscopy, IRAS imaging, and single-dish, as well as interferometric, millimeter-line mapping. LkH-alpha 101 exhibits a high mass-loss rate (0.000011) low-velocity (350 km/s) ionized wind typical of early-type premain-sequence stars (Barsony, 1989). The millimeter interferometer maps show that this wind has cleared out a cavity in the molecular cloud surrounding LkH-alpha 101, allowing the rapid expansion of the previously observed VLA H II region (Becker and White, 1988).

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