SIMBAD references

2001A&A...367..949B - Astronomy and Astrophysics, volume 367949-958 (2001/3-1)

The ISO-SWS spectrum of planetary nebula NGC 7027.

BERNARD-SALAS J., POTTASCH S.R., BEINTEMA D.A. and WESSELIUS P.R.

Abstract (from CDS):

We present the infrared spectrum of the planetary nebula NGC 7027 observed with the Short Wavelength Spectrometer (SWS), on board the Infrared Space Observatory (ISO). These data allow us to derive the electron density and, together with the IUE and optical spectra, the electron temperature for several ions. The nebular composition has been determined, the evolutionary status of the central star is discussed and the element depletion in the nebula is given. We conclude that the progenitor was a C-rich star with a mass between 3 and 4 M☉.

Abstract Copyright: ∼

Journal keyword(s): ISM: abundances - planetary nebulae: individual: NGC 7027 - infrared: ISM: lines and bands

Errata: erratum vol. 406, p. 175 (2003)

Simbad objects: 4

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