More Wolf-Rayet central stars of planetary nebulae identified on the AAO/UKST Hα survey

Q. A. Parker; D. H. Morgan

doi:10.1046/j.1365-8711.2003.06471.x

More Wolf-Rayet central stars of planetary nebulae identified on the AAO/UKST Hα survey

Q. A. Parker^*, D. H. Morgan

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

The central stars of another four of the new planetary nebulae found during scans of the Anglo-Australian Observatory/UK Schmidt Telescope Ha survey of the Milky Way have been found to exhibit Wolf-Rayet emission features. One (PM4) is a [WC8] star; the other three are early-type stars of class either [WC4] or [WO4]. One of the [WC4] stars (PM3) exhibits unusual spectral features such as those found for PMR1 by Morgan, Parker & Russeil, which may be attributed to enhanced nitrogen in its atmosphere and could be indicative of unusual stellar evolution. The nebula around PM 3 has a bright, dense, high-excitation core. Supplementary photometric data are consistent with the objects being planetary nebulae.

Original language	English
Pages (from-to)	961-972
Number of pages	12
Journal	Monthly Notices of the Royal Astronomical Society
Volume	341
Issue number	3
DOIs	https://doi.org/10.1046/j.1365-8711.2003.06471.x
Publication status	Published - 21 May 2003

Keywords

Planetary nebulae: General
Stars: Chemically peculiar
Stars: Evolution
Stars: Wolf-Rayet

Access to Document

10.1046/j.1365-8711.2003.06471.x

Cite this

@article{d9a37f7f39b84294b7a26062eb74add4,

title = "More Wolf-Rayet central stars of planetary nebulae identified on the AAO/UKST Hα survey",

abstract = "The central stars of another four of the new planetary nebulae found during scans of the Anglo-Australian Observatory/UK Schmidt Telescope Ha survey of the Milky Way have been found to exhibit Wolf-Rayet emission features. One (PM4) is a [WC8] star; the other three are early-type stars of class either [WC4] or [WO4]. One of the [WC4] stars (PM3) exhibits unusual spectral features such as those found for PMR1 by Morgan, Parker & Russeil, which may be attributed to enhanced nitrogen in its atmosphere and could be indicative of unusual stellar evolution. The nebula around PM 3 has a bright, dense, high-excitation core. Supplementary photometric data are consistent with the objects being planetary nebulae.",

keywords = "Planetary nebulae: General, Stars: Chemically peculiar, Stars: Evolution, Stars: Wolf-Rayet",

author = "Parker, {Q. A.} and Morgan, {D. H.}",

year = "2003",

month = may,

day = "21",

doi = "10.1046/j.1365-8711.2003.06471.x",

language = "English",

volume = "341",

pages = "961--972",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "3",

}

TY - JOUR

T1 - More Wolf-Rayet central stars of planetary nebulae identified on the AAO/UKST Hα survey

AU - Parker, Q. A.

AU - Morgan, D. H.

PY - 2003/5/21

Y1 - 2003/5/21

N2 - The central stars of another four of the new planetary nebulae found during scans of the Anglo-Australian Observatory/UK Schmidt Telescope Ha survey of the Milky Way have been found to exhibit Wolf-Rayet emission features. One (PM4) is a [WC8] star; the other three are early-type stars of class either [WC4] or [WO4]. One of the [WC4] stars (PM3) exhibits unusual spectral features such as those found for PMR1 by Morgan, Parker & Russeil, which may be attributed to enhanced nitrogen in its atmosphere and could be indicative of unusual stellar evolution. The nebula around PM 3 has a bright, dense, high-excitation core. Supplementary photometric data are consistent with the objects being planetary nebulae.

AB - The central stars of another four of the new planetary nebulae found during scans of the Anglo-Australian Observatory/UK Schmidt Telescope Ha survey of the Milky Way have been found to exhibit Wolf-Rayet emission features. One (PM4) is a [WC8] star; the other three are early-type stars of class either [WC4] or [WO4]. One of the [WC4] stars (PM3) exhibits unusual spectral features such as those found for PMR1 by Morgan, Parker & Russeil, which may be attributed to enhanced nitrogen in its atmosphere and could be indicative of unusual stellar evolution. The nebula around PM 3 has a bright, dense, high-excitation core. Supplementary photometric data are consistent with the objects being planetary nebulae.

KW - Planetary nebulae: General

KW - Stars: Chemically peculiar

KW - Stars: Evolution

KW - Stars: Wolf-Rayet

UR - http://www.scopus.com/inward/record.url?scp=0142073405&partnerID=8YFLogxK

U2 - 10.1046/j.1365-8711.2003.06471.x

DO - 10.1046/j.1365-8711.2003.06471.x

M3 - Article

AN - SCOPUS:0142073405

SN - 0035-8711

VL - 341

SP - 961

EP - 972

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 3

ER -

More Wolf-Rayet central stars of planetary nebulae identified on the AAO/UKST Hα survey

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Cite this