Advanced

Observations of non-magnetic CP stars - Crossing boundaries

Wahlgren, Glenn LU (2005) The A-star Puzzle In Proceedings of the International Astronomical Union 224. p.291-300
Abstract (Swedish)
Abstract in Undetermined

Observations of chemically peculiar (CP) stars have been conducted for decades and have revealed a variety of spectrum anomalies, most prominent among them are line enhancements of heavy elements. The earlier observations were limited to the optical region and the use of less sensitive detectors, yet are responsible for much of our current characterization of the CP star phenomenon. More recent observations embrace a wider expanse of the electromagnetic spectrum and employ more sensitive detectors that continue to unveil new levels of spectrum peculiarity. The traditional criteria used to distinguish normal from peculiar stars have become blurred, thus in some sense replacing the concept of... (More)
Abstract in Undetermined

Observations of chemically peculiar (CP) stars have been conducted for decades and have revealed a variety of spectrum anomalies, most prominent among them are line enhancements of heavy elements. The earlier observations were limited to the optical region and the use of less sensitive detectors, yet are responsible for much of our current characterization of the CP star phenomenon. More recent observations embrace a wider expanse of the electromagnetic spectrum and employ more sensitive detectors that continue to unveil new levels of spectrum peculiarity. The traditional criteria used to distinguish normal from peculiar stars have become blurred, thus in some sense replacing the concept of peculiarity with one of continuity. This presentation will address the observations of the traditional nonmagnetic CP star groups over the past decade, paying particular attention to new avenues of research that have a bearing upon the interpretation of the atmospheres of CP stars and the origins of this phenomenon. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
in
Proceedings of the International Astronomical Union
editor
Zverko, J. and al., et
volume
224
pages
291 - 300
publisher
Cambridge University Press
conference name
The A-star Puzzle
ISBN
0-521-85018-5
DOI
10.1017/S1743921304004673
language
English
LU publication?
yes
id
11ae2e90-683c-4eb6-b2f4-7a6283bbfda4 (old id 743603)
date added to LUP
2007-12-12 13:20:28
date last changed
2016-09-22 13:50:50
@misc{11ae2e90-683c-4eb6-b2f4-7a6283bbfda4,
  abstract     = {<b>Abstract in Undetermined</b><br/><br>
Observations of chemically peculiar (CP) stars have been conducted for decades and have revealed a variety of spectrum anomalies, most prominent among them are line enhancements of heavy elements. The earlier observations were limited to the optical region and the use of less sensitive detectors, yet are responsible for much of our current characterization of the CP star phenomenon. More recent observations embrace a wider expanse of the electromagnetic spectrum and employ more sensitive detectors that continue to unveil new levels of spectrum peculiarity. The traditional criteria used to distinguish normal from peculiar stars have become blurred, thus in some sense replacing the concept of peculiarity with one of continuity. This presentation will address the observations of the traditional nonmagnetic CP star groups over the past decade, paying particular attention to new avenues of research that have a bearing upon the interpretation of the atmospheres of CP stars and the origins of this phenomenon.},
  author       = {Wahlgren, Glenn},
  editor       = {Zverko, J. and al., et},
  isbn         = {0-521-85018-5},
  language     = {eng},
  pages        = {291--300},
  publisher    = {ARRAY(0x9ba4ba8)},
  series       = {Proceedings of the International Astronomical Union},
  title        = {Observations of non-magnetic CP stars - Crossing boundaries},
  url          = {http://dx.doi.org/10.1017/S1743921304004673},
  volume       = {224},
  year         = {2005},
}