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astro-ph2000
Excitation of H_2 and HD in shocks and PDRs
F. Bertoldi, B. T. Draine, D. Rosenthal +5
Photodissociation regions (PDRs) and shocks give rise to conspicuous emission from rotationally and vibrationally excited molecular hydrogen. This line emission has now been studie…
astro-ph2000
Spectroscopy of the candidate luminous blue variable at the center of the ring nebula G79.29+0.46
R. H. M. Voors, T. R. Geballe, L. B. F. M. Waters +2
We report optical and near-infrared spectra of the central star of the radio source G79.29+0.46, a candidate luminous blue variable. The spectra contain numerous narrow (FWHM < 100…