Abstract

The Rho Ophiuchi source WL 16 is the second Young Stellar Object (YSO) found to have infrared CO emission bands. IRAS observations show that WL 16 is far less luminous (∼ 14 L⊙) than the first source of infrared CO emission, BN (> 5000 L⊙). Also in contrast to BN, the CO emission from WL 16 represents a significant fraction of the total luminosity. The 2.3 μm first overtone CO emission bands were observed with the Steward Observatory Fourier Transform Spectrometer at the 2.3 m telescope.

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