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The Properties of Near-Infrared Diffuse Interstellar Bands

Published online by Cambridge University Press:  21 February 2014

M. G. Rawlings ,
A. J. Adamson ,
B. J. McCall  and
T. H. Kerr
M. G. Rawlings
Affiliation:
National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903, U. S. A. email: [email protected]
A. J. Adamson
Affiliation:
Gemini Observatory, 670 N. A‘ohoku Place, Hilo, Hawaii, U. S. A. email: [email protected]
B. J. McCall
Affiliation:
Departments of Chemistry and Astronomy, University of Illinois, Urbana, IL 61801, U. S. A. email: [email protected]
T. H. Kerr
Affiliation:
Joint Astronomy Centre, 660 N. A‘ohoku Place, Hilo, Hawaii 96720, U. S. A. email: [email protected]
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Abstract

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In addition to the hundreds of known visual-wavelength Diffuse Interstellar Bands (DIBs), a number of DIBs in the near-infrared (NIR) are now also known to exist. We present here high-resolution UKIRT echelle spectroscopy of two of the NIR DIBs toward sightlines exhibiting a range of visual extinctions. Variations in the strengths and profile shapes of the bands are considered in the context of known properties of the narrow DIBs at visual wavelengths.

Keywords

ISM: lines and bandsISM: moleculesdustextinction
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S297: The Diffuse Interstellar Bands , May 2013 , pp. 100 - 102
Copyright
Copyright © International Astronomical Union 2014 

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