Sign on

SAO/NASA ADS Astronomy Abstract Service

· Find Similar Abstracts (with default settings below)
· Full Refereed Journal Article (PDF/Postscript)
· Full Refereed Scanned Article (GIF)
· References in the article
· Citations to the Article (9) (Citation History)
· Refereed Citations to the Article
· SIMBAD Objects (9)
· Also-Read Articles (Reads History)
·
· Translate This Page
Title:
Broad emission line O VI planetary nebulae nuclei.
Authors:
Stanghellini, L.; Kaler, J. B.; Shaw, R. A.; di Serego Alighieri, S.
Publication:
Astronomy and Astrophysics, v.302, p.211 (A&A Homepage)
Publication Date:
10/1995
Origin:
A&A via CDS; KNUDSEN
A&A Keywords:
STARS: AGB AND POST-AGB, PLANETARY NEBULAE: NGC 2452, NGC 5189, NGC 6905, NGC 7026, IC 2003
Bibliographic Code:
1995A&A...302..211S

Abstract

We present a study of broad-line O VI planetary nebulae nuclei (NGC 2452, NGC 5189, NGC 6905, NGC 7026, and IC 2003) in which we use the nebulae to derive the physical parameters of the central stars. From the study of the emission lines and the stellar continua we derive the effective temperatures and the luminosities of the stars, plasma characteristics and (limited) abundances. By locating the stars on the HR diagram we infer their evolutionary stages. We find that the O VI strength correlates with stellar luminosity, both for the broad-line and for the narrow-line O VI stars. By comparing observational data to theoretical results, we find good agreement between the observed pulsational periods and effective temperatures and those obtained with C-O pre-white dwarf models.

Printing Options

Print whole paper
Print Page(s) through

Return 600 dpi PDF to Acrobat/Browser. Different resolutions (200 or 600 dpi), formats (Postscript, PDF, etc), page sizes (US Letter, European A4, etc), and compression (gzip,compress,none) can be set through the Printing Preferences


More Article Retrieval Options

HELP for Article Retrieval
Bibtex entry for this abstract   Preferred format for this abstract (see Preferences)
   

Find Similar Abstracts:

Use: Authors
Title
Keywords (in text query field)
Abstract Text
Return: Query Results Return    items starting with number
Query Form
Database: Astronomy
Physics
arXiv e-prints