Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995pasp..107...68g&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 107, no. 707, p. 68-76
Astronomy and Astrophysics
Astronomy
19
Absorption Spectra, Carbon Monoxide, Galaxies, Infrared Astronomy, Kinematics, Near Infrared Radiation, Stellar Motions, Stellar Spectra, High Resolution, Infrared Spectra, Line Spectra, Occultation, Spectral Resolution
Scientific paper
The shape and strength of the near-infrared (2-0) (12)CO absorption bandhead provide astronomers with a unique tool for measuring stellar kinematics in galaxies with strong dust obscuration. However, the asymmetric shape of the bandhead introduces complexities when extracting the kinematics from an observed spectrum. This paper discusses the benefits, drawbacks, and observational constraints associated with using this bandhead to measure kinematics in galaxies, focusing on applications in high spectral-resolution data. Additionally, we discuss techniques found useful for extracting the kinematics from the absorption feature, and outline our success with two different methods.
Doppmann Gregg
Gaffney Niall I.
Lester Dan F.
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