BARLOW, MJ;
BLADES, JC;
HUMMER, DG;
(1980)
Optical observations of the ultrahigh-excitation Wolf-Rayet star Sanduleak 3.
Astrophysical Journal
, 241
L27-L31.
10.1086/183353.
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Abstract
Recombination lines of O VII, O VIII, and C V have been identified in the optical spectrum of an O VI Wolf-Rayet star, representing the first non-X-ray detection of these ions in astronomical spectra and implying excitation energies in excess of 800 eV. Rapid variations on a time scale of about 150 s have been observed in the profile of one of the O VII lines.
| Type: | Article |
|---|---|
| Title: | Optical observations of the ultrahigh-excitation Wolf-Rayet star Sanduleak 3 |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1086/183353 |
| Publisher version: | https://doi.org/10.1086/183353 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Hot Stars; Ion Recombination; Line Spectra; Oxygen; Stellar Spectra; Wolf-Rayet Stars; Carbon; Emission Spectra; Ionization Potentials; Planetary Nebulae; Astrophysics; Line Identifications:Wolf-Rayet Stars; Spectra:Wolf-Rayet Stars |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10096225 |
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