2001A&A...367..949B

Query : 2001A&A...367..949B

2001A&A...367..949B - Astronomy and Astrophysics, volume 367, 949-958 (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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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NGC 6153 PN 16 31 30.5708444544 -40 15 12.646208700   10.7 15.55     ~ 303 0
2 NGC 6302 PN 17 13 44.5 -37 06 11           O-rich 795 1
3 NGC 6537 PN 18 05 13.104 -19 50 34.88     13.58     ~ 426 1
4 NGC 7027 PN 21 07 01.571952 +42 14 10.47120   10.358 8.831 10.157   ~ 2459 1

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