Infrared and optical imaging of IRAS sources with CO outflow - A snapshot of early star formation

Details Infrared and optical imaging of IRAS sources with CO outflow - A snapshot of early star formation Infrared and optical imaging of IRAS sources with CO outflow - A snapshot of early star formation

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...407..639c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 407, no. 2, p. 639-648.

Astronomy and Astrophysics

Astronomy

37

Carbon Monoxide, Early Stars, Infrared Astronomy Satellite, Infrared Sources (Astronomy), Pre-Main Sequence Stars, Star Formation, Visual Observation, Gas Flow, Infrared Photometry, Interstellar Gas, Molecular Flow, Spaceborne Astronomy, Spectral Energy Distribution

Scientific paper

We present multiband imaging of three IRAS sources associated with CO molecular outflows. We find stellar density enhancements around all three IRAS sources. Optical and near-IR photometry indicates that at least 60 percent of the near-IR sources in the vicinity of the IRAS sources are pre-main-sequence stars. Using the photometric data at nbL and M, we are able to identify candidates for the near-IR counterparts of the IRAS sources. We also find that (1) the spectral energy distribution of the deeply embedded sources could be complicated by source confusion and scattered light from the young stellar objects; (2) star formation in the vicinity of the IRAS sources is a continuous process with an age span of 0.5-3 Myr; and (3) stellar density enhancement is probably a phenomenon found at the earliest stage of star formation.

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