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Astrophysical: Reflection nebulae

  • Publication
    Dust scattering and kinematics within the envelope of IRAS 09371+1212.

    We have acquired narrow and broad band imaging, together with high and low resolution spectroscopy for the source IRAS 09371+1212. As a result, we are able to...

  • Publication
    Physical parameters of reflection nebulae in the galaxy

    Given observed equivalent widths of Mg II and Mg I absorptions due to an interstellar cloud in which a late-B star is embedded, it is shown that the basic...

  • Publication
    The interstellar (C-12)H(+)/(C-13)H(+) ratio towards HD 26676

    We present a new determination of the interstellar 12CH+/13CH+ ratio in the solar neighbourhood, based on high spectral resolution CCD observations of the CH+...

  • Publication
    The nature of the cometary nebula 1548 C27

    Results are presented on optical and near-IR photometry of cometary nebula 1548 C27, together with associated high and intermediate resolution spectroscopy of...

  • Publication
    The reflection nebula around HD 26676

    The gaseous component of the reflection nebula surrounding HD 26676 is investigated by comparing the UV spectrum of the star with that of the foreground star HD...

  • Publication
    Very small grain emission in NGC 7023.

    We observed the reflection nebula NGC 7023 at various positions using wide and narrow band photometry centred on the 7.7 and 11.3μm PAH emission features and...