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Spectroscopy of fullerenes, fulleranes and PAHs in the UV, visible and near infrared spectral range
F. Cataldo, D. A. Garcia-Hernandez, A. Manchado +1
The spectra of fullerenes C60 and C70, higher fullerenes C76, C78 and C84 and hydrogenated fullerenes (fulleranes) were studied in laboratory in the UV and in the visible spectral…
Diffuse interstellar bands in (proto-) fullerene-rich environments
D. A. Garcia-Hernandez
The recent infrared detection of fullerenes (C60 and C70) in Planetary Nebulae (PNe) and R Coronae Borealis (RCB) stars offers a beautiful opportunity for studying the diffuse inte…
Infrared spectroscopy of fullerene C60/anthracene adducts
D. A. Garcia-Hernandez, F. Cataldo, A. Manchado
Recent Spitzer Space Telescope observations of several astrophysical environments such as Planetary Nebulae, Reflection Nebulae, and R Coronae Borealis stars show the simultaneous…
The changing nebula around the hot R Coronae Borealis star DY Centauri
N. Kameswara Rao, D. L. Lambert, D. A. Garcia-Hernandez +1
Among the distinguishing characteristics of the remarkable hot R Coronae Borealis star DY Cen, which was recently found to be a spectroscopic binary, is the presence of nebular for…
Nucleosynthesis in massive AGB stars with delayed superwinds: implications for the abundance anomalies in Globular Clusters
D. A. Garcia-Hernandez, A. I. Karakas, M. Lugaro
We present nucleosynthesis predictions for massive (5-7 solar masses) asymptotic giant branch (AGB) stars of solar metallicity where we delay the onset of the superwind to pulsatio…
Diffuse interstellar bands in fullerene planetary nebulae: the fullerenes - diffuse interstellar bands connection
D. A. Garcia-Hernandez, J. J. Diaz-Luis
We present high-resolution (R~15000) VLT/UVES optical spectra of two planetary nebulae (PNe; Tc 1 and M 1-20) where C60 (and C70) fullerenes have already been found. These spectra…