Volume 377, Number 2, October II 2001
|Page(s)||677 - 686|
|Published online||15 October 2001|
A possible sets of diffuse bands originating at the same carrier
Toruń Center for Astronomy, Nicolaus Copernicus University, Gagarina 11, 87-100 Toruń, Poland e-mail: firstname.lastname@example.org
2 Institute of Physics, Polish Academy of Sciences Al. Lotników 32/46, Pl-02-668 Warszawa, Poland e-mail: email@example.com
3 Nicolaus Copernicus Astronomical Center, Rabiańska 8, Pl-87-100 Toruń, Poland e-mail: firstname.lastname@example.org
4 Isaac Newton Institute of Chile, Polish Branch e-mail: email@example.com
Corresponding author: T. Weselak, firstname.lastname@example.org
Accepted: 14 June 2001
This paper discusses measurements of eight selected diffuse interstellar bands (DIBs): 5793, 5809, 5819, 5828, 6196, 6397, 6614 and 6660 performed in high resolution, high spectra of 41 reddened stars. Central depths, considered less error-prone than equivalent widths, are measured and mutual correlations between the selected DIBs are analyzed. Tight correlations between the DIBs: 5809, 6196, 6614 and 6660 may suggest their common origin despite their widths differing by a factor of up to 2. The performed simulations prove that this fact does not preclude a common, molecular carrier of such features.
Key words: ISM: molecules / line: identification / methods: laboratory
© ESO, 2001
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