Infrared Spectrum of Young Star MWC 1080

Details Infrared Spectrum of Young Star MWC 1080 Infrared Spectrum of Young Star MWC 1080

May 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aas...206.0706g&link_type=abstract

American Astronomical Society Meeting 206, #07.06; Bulletin of the American Astronomical Society, Vol. 37, p.438

Astronomy and Astrophysics

Astronomy

Scientific paper

MWC 1080 is an interesting young B0 star surrounded by an edge-on disk and a close, eclipsing stellar companion with a 3 day period. We have obtained moderate resolution infrared spectra of this object with SPEX at the IRTF (0.8--5 μ m) and high-resolution (RP ˜25,000) spectra with NIRSPEC on the Keck II. The rich 0.8-2.3 μ m spectrum is filled with emission lines due to hydrogen recombination and several metals such as Ca II, Mg I, Fe I, etc. In addition, high-resolution spectra of the 4-5 μ m region show ro-vibrational lines of cold CO in absorption and no evidence of H3+ absorption along the line of sight. We discuss the results, in particular the implications for the location of the cold CO gas and lack of H3+.
This work was supported by NSF grant AST 02-05881.

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