The Properties of Near-Infrared Diffuse Interstellar Bands
Abstract
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.
- Publication:
-
The Diffuse Interstellar Bands
- Pub Date:
- February 2014
- DOI:
- 10.1017/S1743921313015652
- Bibcode:
- 2014IAUS..297..100R
- Keywords:
-
- ISM: lines and bands;
- ISM: molecules;
- dust;
- extinction