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Probing the local bubble with diffuse interstellar bands. III. The northern hemisphere data and catalog

Van Loon

Probing the local bubble with diffuse interstellar bands. III. The northern hemisphere data and catalog Thumbnail


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Abstract

We present new high signal-to-noise ratio (S/N) observations of the diffuse interstellar bands (DIBs) in the Local Bubble and its surroundings. We observed 432 sightlines and obtain the equivalent widths of the ?5780 and ?5797 Å DIBs up to a distance of ~200 pc. All of the observations were carried out using the Intermediate Dispersion Spectrograph on the 2.5 m Isaac Newton Telescope, during three years, to reach a minimum S/N of ~2000. All of the ?5780 and ?5797 absorptions are presented in this paper and we tabulate the observed values of the interstellar parameters, ?5780, ?5797, Na ID1, and Na ID2, including the uncertainties.

Acceptance Date Nov 25, 2014
Publication Date Feb 10, 2015
Publicly Available Date Mar 28, 2024
Journal Astrophysical Journal Supplement Series
Print ISSN 0004-637X
Publisher American Astronomical Society
Pages 33
DOI https://doi.org/10.1088/0067-0049/216/2/33
Keywords ISM: abundances, ISM: bubbles, ISM: clouds, ISM: lines and bands, stars: atmospheres
Publisher URL https://doi.org/10.1088/0067-0049/216/2/33

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