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PNe Abundances: Galactic Bulge versus the Disc

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Abstract

We compare the abundances of He, N, O, Ar, S, and Ne, determined in a similar way, for a sample of Galactic bulge and disc planetary nebulae (PNe). We find that in all aspects – average abundances and dispersion, distribution functions, abundance relationships, and the ratio of N/O – the bulge and disc PNe are indistinguishable. The nebular distribution of [O/H] is different to the stellar.

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Authors and Affiliations

  1. M. Copernicus Astronomical Centre, UK

    K. Exter

  2. University College London, UK

    M.J. Barlow

  3. ING, UK

    N.A. Walton

  4. PPARC, UK

    R.E.S. Clegg

Authors
  1. K. Exter
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  2. M.J. Barlow
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  3. N.A. Walton
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  4. R.E.S. Clegg
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Exter, K., Barlow, M., Walton, N. et al. PNe Abundances: Galactic Bulge versus the Disc. Astrophysics and Space Science 277 (Suppl 1), 199 (2001). https://doi.org/10.1023/A:1012718214651

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  • DOI: https://doi.org/10.1023/A:1012718214651

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