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Browsing by Author "Garcia-Hernandez, D. A"

Browsing by Author "Garcia-Hernandez, D. A"

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  • A New Near-IR C2 Linelist for an Improved Chemical Analysis of Hydrogen-deficient, Carbon-rich Giants\unboldmath 
    Garcia-Hernandez, D. A; Masseron, T; Zamora, O; Manchado, A; Rao, N. K; Reddy, A. B. S; Lambert, D. L; Yurchenko, S; Tennyson, J (Astronomical Society of the Pacific, 2019)
    Diatomic carbon (C2) is ubiquitous in astronomical environments, from comets and stars to translucent clouds and the interstellar medium. In particular, the C2 bands (mainly the Ballik-Ramsay and Phillips transitions) are ...
  • Oxygen isotopic ratios in cool R coronae borealis stars 
    Garcia-Hernandez, D. A; Lambert, D. L; Kameswara Rao, N; Hinkle, K. H; Eriksson, K (Institute of Physics, 2010-05)
    We investigate the relationship between R Coronae Borealis (RCB) stars and hydrogen-deficient carbon (HdC) stars by measuring precise 16O/18O ratios for five cool RCB stars. The 16O/18O ratios are derived by spectrum ...
  • A search for diffuse bands in fullerene planetary nebulae: evidence of diffuse circumstellar bands 
    Diaz-Luis, J. J; Garcia-Hernandez, D. A; Kameswara Rao, N; Manchado, A; Cataldo, F (EDP Sciences, 2015-01)
    Large fullerenes and fullerene-based molecules have been proposed as carriers of diffuse interstellar bands (DIBs). The recent detection of the most common fullerenes (C60 and C70) around some planetary nebulae (PNe) now ...

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