C60+ IN DIFFUSE CLOUDS: LABORATORY AND ASTRONOMICAL COMPARISON

E. K. Campbell, M. Holz, J. P. Maier

Research output: Contribution to journalArticlepeer-review

Abstract

The wavelengths of the strongest absorptions in the electronic spectrum of have been determined by experimental investigation into the perturbation caused by the helium in the laboratory spectra of . The extrapolation of these gives absorption bands of bare at 9348.4, 9365.2, 9427.8, 9577.0, and 9632.1 Å, with ±0.2 Å as the 2σ uncertainty. The laboratory data are compared with the complete set of astronomical observations reported in the literature. The spectral characteristics are found to be in agreement with five diffuse interstellar bands, for which the systematic uncertainties are larger than for the laboratory data.
Original languageEnglish
Pages (from-to)L4
JournalAstrophysical Journal Letters
Volume826
Issue number1
Early online date13 Jul 2016
DOIs
Publication statusE-pub ahead of print - 13 Jul 2016

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