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A-type central stars of planetary nebulae. 2. The central stars of NGC 2346, He 2-36 and NGC 3132

Abstract

Spectrograms, scanner, uvby and ANS ultraviolet measurements of the central stars of NGC 2346, He 2-36 and NGC 3132 are analysed. The observations suggest that the first one is a foreground horizontal-branch star, and the second is above the horizontal branch, presumably in a rapid evolutionary phase. Both objects are probably variable. The central star of NGC 3132 is a slightly evolved main-sequence star with a hot visual companion. The evolutionary status of this system is briefly discussed.
Authors:
Mendez, R H [1] 
  1. Instituto de Astronomia y Fisica del Espacio, Buenos Aires (Argentina)
Publication Date:
Dec 01, 1978
Product Type:
Journal Article
Reference Number:
AIX-10-434946; EDB-79-085546
Resource Relation:
Journal Name: Mon. Not. R. Astron. Soc.; (United Kingdom); Journal Volume: 185:3
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; PLANETARY NEBULAE; STAR EVOLUTION; STARS; ABSORPTION SPECTRA; BALMER LINES; CALCIUM IONS; ELECTRON DENSITY; ELECTRON TEMPERATURE; ENERGY SPECTRA; EXPERIMENTAL DATA; GRAPHS; HELIUM; HERTZSPRUNG-RUSSELL DIAGRAM; HYDROGEN; ISOLATED VALUES; LUMINOSITY; MASS; RADIATION FLUX; RADIOWAVE RADIATION; SPECTROPHOTOMETRY; STAR MODELS; STELLAR ATMOSPHERES; THEORETICAL DATA; ULTRAVIOLET RADIATION; ATMOSPHERES; ATOMIC IONS; CHARGED PARTICLES; CRYOGENIC FLUIDS; DATA; DATA FORMS; DIAGRAMS; ELECTROMAGNETIC RADIATION; ELEMENTS; FLUIDS; INFORMATION; IONS; MATHEMATICAL MODELS; NEBULAE; NONMETALS; NUMERICAL DATA; OPTICAL PROPERTIES; PHYSICAL PROPERTIES; RADIATIONS; RARE GASES; SPECTRA; 640102* - Astrophysics & Cosmology- Stars & Quasi-Stellar, Radio & X-Ray Sources
OSTI ID:
6225852
Country of Origin:
United Kingdom
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: MNRAA
Submitting Site:
INIS
Size:
Pages: 647-660
Announcement Date:
May 01, 1979

Citation Formats

Mendez, R H. A-type central stars of planetary nebulae. 2. The central stars of NGC 2346, He 2-36 and NGC 3132. United Kingdom: N. p., 1978. Web.
Mendez, R H. A-type central stars of planetary nebulae. 2. The central stars of NGC 2346, He 2-36 and NGC 3132. United Kingdom.
Mendez, R H. 1978. "A-type central stars of planetary nebulae. 2. The central stars of NGC 2346, He 2-36 and NGC 3132." United Kingdom.
@misc{etde_6225852,
title = {A-type central stars of planetary nebulae. 2. The central stars of NGC 2346, He 2-36 and NGC 3132}
author = {Mendez, R H}
abstractNote = {Spectrograms, scanner, uvby and ANS ultraviolet measurements of the central stars of NGC 2346, He 2-36 and NGC 3132 are analysed. The observations suggest that the first one is a foreground horizontal-branch star, and the second is above the horizontal branch, presumably in a rapid evolutionary phase. Both objects are probably variable. The central star of NGC 3132 is a slightly evolved main-sequence star with a hot visual companion. The evolutionary status of this system is briefly discussed.}
journal = []
volume = {185:3}
journal type = {AC}
place = {United Kingdom}
year = {1978}
month = {Dec}
}