Star formation in the M8E region

Details Star formation in the M8E region Star formation in the M8E region

Mar 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...278..170s&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 278, March 1, 1984, p. 170-175.

Astronomy and Astrophysics

Astronomy

32

Infrared Astronomy, Nebulae, Radio Spectra, Star Formation, Stellar Spectrophotometry, H Ii Regions, Infrared Spectra, Interstellar Gas, Line Spectra, Near Infrared Radiation, Radio Sources (Astronomy), Stellar Envelopes, Stellar Mass Ejection

Scientific paper

Radio interferometric and near-IR observations show that the core of M8E contains at least two distinct sites of star formation. One appears as a faint H II region that is optically thin at radio wavelengths and could be powered by a B2 ZAMS star. The other, M8E IR, is similar to the Becklin-Neugebauer object. Brackett-γ line radiation from this object is 110 km s-1 wide at half-power with emission extending to a full width of ≡200 km s-1. Observations of CO at 1.3 mm reveal a supersonic large-scale (≡0.3 pc) flow of neutral gas that is centered near M8E IR. The dynamical lifetime of this flow is 2×104 years, and it contains M(H2) ≡ 10 M_sun;.

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