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- W132440932 abstract "view Abstract Citations (64) References (23) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The 2 Micron Spectrum of L1551 IRS 5 Carr, John S. ; Harvey, P. M. ; Lester, D. F. Abstract Two-micron spectroscopy of L1551 IRS 5 is presented. The main result is the presence of strong absorption in the first-overtone bands of CO. From the equivalent width of the CO bands, a spectral type of K2 III is derived. The CO bands and marginal evidence for H2O vapor absorption provide additional evidence that IRS 5 may be a member of the FU Ori class of pre-main-sequence stars. Emission lines of H2 are detected, suggesting the presence of shocked molecular gas in the vicinity of IRS 5. A marginal detection of the hydrogen Br-gamma line was also made. The measured flux limit for Br-gamma and the 6-cm radio continuum flux are consistent with optically thin recombination and not with an optically thick wind. Publication: The Astrophysical Journal Pub Date: October 1987 DOI: 10.1086/185008 Bibcode: 1987ApJ...321L..71C Keywords: Infrared Sources (Astronomy); Molecular Spectra; Nebulae; Pre-Main Sequence Stars; Spectroscopic Analysis; Carbon Monoxide; Molecular Clouds; Stellar Spectra; Water Vapor; Astrophysics full text sources ADS | data products SIMBAD (4)" @default.
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- W132440932 date "1987-10-01" @default.
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- W132440932 title "The 2 micron spectrum of L1551 IRS 5" @default.
- W132440932 doi "https://doi.org/10.1086/185008" @default.
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