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MO: Fachverband Molekülphysik

MO 4: Spectroscopy of Cold Molecules and Complexes

MO 4.1: Vortrag

Montag, 6. März 2017, 17:00–17:15, N 25

C60+ Near-IR Emissions: Astronomical Relevance. — •Dmitry Strelnikov1, Bastian Kern2, and Manfred Kappes11Physikalische Chemie, KIT, Karlsruhe, Germany — 2MPI for Solid State Research, Stuttgart, Germany

Recently, five Diffuse Interstellar Bands (DIBs) were assigned to C60+ [1,2]. While investigating C60+ in various cryogenic matrixes, we have observed LIF in the near-IR, when exciting the near-IR vibronic bands of C60+. Power dependence measurements revealed a one-photon LIF process. In contrast, excitation in the UV does not lead to the emission of C60+ in the vicinity of its NIR absorptions. We propose to search for C60+ near-IR emissions in the fullerene containing reflection nebulae.

References

1. Campbell, E. K., Holz, M., Gerlich, D., and Maier, J. P. 2015, Nature, 523, 322.

2. Walker, G. A. H., Bohlender, D. A., Maier, J. P., and E. K. Campbell. 2015, ApJL, 812, L8.

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