Near-infrared spectroscopy of young stellar objects

Details Near-infrared spectroscopy of young stellar objects Near-infrared spectroscopy of young stellar objects

Apr 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994apj...425..231k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 425, no. 1, p. 231-242

Astronomy and Astrophysics

Astronomy

32

Infrared Astronomy, Infrared Spectra, Line Spectra, Near Infrared Radiation, Pre-Main Sequence Stars, Stellar Spectra, Infrared Spectroscopy, Lyman Beta Radiation, Stellar Evolution, Visible Spectrum

Scientific paper

We present spectra between 0.9 and 1.35 micrometers for MWC 349, LkH-alpha 101, R Mon, V645 Cyg, GL 490, T Tau, and HH 1. The spectra are rich in emission lines. We find evidence for many different emission regions, including virtually all those previously deduced from shorter wavelength spectra. A number of objects have optically thick regions in which O I emission is excited by UV and Ly-Beta fluorescence. We discuss the physical implications of the observed lines and the role spectroscopy between 0.9 and 1.35 micrometers can play in future investigations of the evolution of young stars.

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