Journal Article

A high-resolution survey of diffuse interstellar bands

A. Bondar

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 423, issue 1, pages 725-734
Published in print June 2012 | ISSN: 0035-8711
Published online May 2012 | e-ISSN: 1365-2966 | DOI: http://dx.doi.org/10.1111/j.1365-2966.2012.20910.x
A high-resolution survey of diffuse interstellar bands

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This paper presents an atlas of diffuse interstellar bands together with tables with measurements of their parameters: central wavelengths, full widths at half-maximum and equivalent widths. For this goal the spectra of ten reddened, early-type stars have been selected. The spectra are of high resolution, ∼100 000, and reasonable signal-to-noise ratio, S/N > 300; they cover a wide spectral range 3500–10 000 Å and show a lack of evident Doppler splitting in the interstellar K i line. The measurement technique has allowed a homogeneous set of data to be achieved. As a result, the identity of 336 DIBs from previous surveys has been confirmed and 21 new bands have been found. The spectral plots and the tables are available online.

Keywords: ISM: general; ISM: lines and bands

Journal Article.  3953 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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