The UV and optical reddening law to the Galactic Bulge and CNO abundances in Bulge planetary nebulae

An analysis of the differential ultraviolet extinction towards four bulge planetary nebulae, based on the observed line ratio of He II 1640/4686Å, shows that the ultraviolet reddening law towards the bulge is much steeper than in the solar neighbourhood. An analysis of the optical reddening law for...

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Veröffentlicht in:	Symposium - International Astronomical Union 1993, Vol.153, p.337-338
Hauptverfasser:	Walton, N.A., Barlow, M.J., Clegg, R.E.S.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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