Transition probabilities and lifetimes in neutral and singly ionized osmium and the Solar osmium abundance
(2006) In Astronomy & Astrophysics 448(3). p.93-1207- Abstract
- Radiative lifetime measurements have been performed, with a time-resolved laser-induced fluorescence technique, for 12 levels of Os I and for 9 levels of Os II. For 9 levels of Os I and 4 levels of Os II, there were no previous experimental data available. From a comparison with new theoretical calculations, taking configuration interactions and core-polarization effects into account, it has been possible to deduce oscillator strengths for 129 transitions of Os I and 137 transitions of Os II of astrophysical interest appearing in the wavelength range 180.0-870.0 nm. These results have allowed us to revise the abundance of osmium in the solar photosphere (log epsilon(Os) = 1.25 +/- 0.11). The newly derived oscillator strengths have been... (More)
- Radiative lifetime measurements have been performed, with a time-resolved laser-induced fluorescence technique, for 12 levels of Os I and for 9 levels of Os II. For 9 levels of Os I and 4 levels of Os II, there were no previous experimental data available. From a comparison with new theoretical calculations, taking configuration interactions and core-polarization effects into account, it has been possible to deduce oscillator strengths for 129 transitions of Os I and 137 transitions of Os II of astrophysical interest appearing in the wavelength range 180.0-870.0 nm. These results have allowed us to revise the abundance of osmium in the solar photosphere (log epsilon(Os) = 1.25 +/- 0.11). The newly derived oscillator strengths have been applied as well to derive the osmium abundance in the carbon-rich metal-poor star HD 187861. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/416979
- author
- Quinet, P ; Palmeri, P ; Biemont, E ; Jorissen, A ; Van Eck, S ; Svanberg, Sune LU ; Xu, Huailiang LU and Plez, B
- organization
- publishing date
- 2006
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Sun : abundances, atomic data, atomic processes
- in
- Astronomy & Astrophysics
- volume
- 448
- issue
- 3
- pages
- 93 - 1207
- publisher
- EDP Sciences
- external identifiers
-
- wos:000235777800042
- scopus:33646849467
- ISSN
- 0004-6361
- DOI
- 10.1051/0004-6361:20053852
- language
- English
- LU publication?
- yes
- id
- 3bcae7bf-06d3-4f90-a844-55e94012d2d1 (old id 416979)
- date added to LUP
- 2016-04-01 17:14:22
- date last changed
- 2022-04-23 03:36:23
@article{3bcae7bf-06d3-4f90-a844-55e94012d2d1, abstract = {{Radiative lifetime measurements have been performed, with a time-resolved laser-induced fluorescence technique, for 12 levels of Os I and for 9 levels of Os II. For 9 levels of Os I and 4 levels of Os II, there were no previous experimental data available. From a comparison with new theoretical calculations, taking configuration interactions and core-polarization effects into account, it has been possible to deduce oscillator strengths for 129 transitions of Os I and 137 transitions of Os II of astrophysical interest appearing in the wavelength range 180.0-870.0 nm. These results have allowed us to revise the abundance of osmium in the solar photosphere (log epsilon(Os) = 1.25 +/- 0.11). The newly derived oscillator strengths have been applied as well to derive the osmium abundance in the carbon-rich metal-poor star HD 187861.}}, author = {{Quinet, P and Palmeri, P and Biemont, E and Jorissen, A and Van Eck, S and Svanberg, Sune and Xu, Huailiang and Plez, B}}, issn = {{0004-6361}}, keywords = {{Sun : abundances; atomic data; atomic processes}}, language = {{eng}}, number = {{3}}, pages = {{93--1207}}, publisher = {{EDP Sciences}}, series = {{Astronomy & Astrophysics}}, title = {{Transition probabilities and lifetimes in neutral and singly ionized osmium and the Solar osmium abundance}}, url = {{https://lup.lub.lu.se/search/files/4916999/2370742.pdf}}, doi = {{10.1051/0004-6361:20053852}}, volume = {{448}}, year = {{2006}}, }