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PNe abundances: galactic bulge versus the disc
Exter, K.; Barlow, M.J.; Walton, N.A.; Clegg, R.E.S. (2001). PNe abundances: galactic bulge versus the disc. Astrophysics and Space Science 277(Supplement 1): 199-199.
In: Astrophysics and Space Science. Springer: Dordrecht. ISSN 0004-640X; e-ISSN 1572-946X, meer
Peer reviewed article  

Beschikbaar in  Auteurs 

Author keywords
    Mass Distribution; Mass Range; Lower Mass; EXTER; Initial Mass

Auteurs  Top 
  • Exter, K., meer
  • Barlow, M.J.
  • Walton, N.A.
  • Clegg, R.E.S.

    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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