The detection of high-velocity outflows from M8E-IR

Details The detection of high-velocity outflows from M8E-IR The detection of high-velocity outflows from M8E-IR

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...327l..17m&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 327, April 1, 1988, p. L17-L21. NSERC-supported res

Astronomy and Astrophysics

Astronomy

23

Infrared Sources (Astronomy), Pre-Main Sequence Stars, Stellar Spectra, Stellar Winds, Absorption Spectra, Carbon Monoxide, Doppler Effect, Vibrational Spectra

Scientific paper

A high-resolution (0.059/cm) M band (4.6 micron) spectrum of the embedded young stellar object M8E-IR is presented and discussed. The spectrum shows strong absorption to large blueshifts in the rotational lines of the fundamental vibrational band, v = 1-0, of CO. The absorption is interpreted as being due to gas near to, and flowing from, the central object. The outflowing gas is warm (95-330 K) and consists of discrete velocity components with the very high velocities of 90, 130, 150, and 160 km/s. On the basis of a simple model, it is estimated that the observed outflows are less than 100 yr old.

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