Acomprehensive study of high metallicity giant extragalactic h ii regions: chemical abundances
Fuente:
Redalyc
Salvato in:
| Autore principale: | |
|---|---|
| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Universidad Nacional Autónoma de México
2002
|
| Soggetti: | |
| Accesso online: | |
| Tags: |
Aggiungi Tag
Nessun Tag, puoi essere il primo ad aggiungerne!!
|
| _version_ | 1876456437795782656 |
|---|---|
| author | Marcelo Castellanos |
| author_facet | Marcelo Castellanos |
| contents | Acomprehensive study of high metallicity giant extragalactic h ii regions: chemical abundances Marcelo Castellanos Angeles I. Díaz Elena Terlevich Física, Astronomía y Matemáticas NGC 925 NGC 1232 NGC 1637) H II REGIONS GALAXIES: INDIVIDUAL (NGC 628 We have made long-slit spectrophotometric observations in the optical and near infrared of 15 H II regions indi erent spiral galaxies (NGC 628, NGC 925, NGC 1232 and NGC 1637). These spectrophotometric obser-vations were performed with a wide spectral coverage and at a resolution high enough to detect and measureboth weak auroral forbidden lines and Wolf-Rayet features. Electron temperatures have been derived in or-der to investigate the ionization structure and to derive the chemical composition of the gas in these regions.Therefore, we have selected from the literature (Van Zee et al. 1998) those H II regions with solar or oversolarabundance, as deduced from empirical calibrations based on the optical oxygen forbidden lines. 2002 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57112088 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.12 |
| format | Artículo científico |
| id | redalyc_57112088 |
| institution | Redalyc |
| language | en |
| publishDate | 2002 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Acomprehensive study of high metallicity giant extragalactic h ii regions: chemical abundances Marcelo Castellanos Física, Astronomía y Matemáticas NGC 925 NGC 1232 NGC 1637) H II REGIONS GALAXIES: INDIVIDUAL (NGC 628 Acomprehensive study of high metallicity giant extragalactic h ii regions: chemical abundances Marcelo Castellanos Angeles I. Díaz Elena Terlevich Física, Astronomía y Matemáticas NGC 925 NGC 1232 NGC 1637) H II REGIONS GALAXIES: INDIVIDUAL (NGC 628 We have made long-slit spectrophotometric observations in the optical and near infrared of 15 H II regions indi erent spiral galaxies (NGC 628, NGC 925, NGC 1232 and NGC 1637). These spectrophotometric obser-vations were performed with a wide spectral coverage and at a resolution high enough to detect and measureboth weak auroral forbidden lines and Wolf-Rayet features. Electron temperatures have been derived in or-der to investigate the ionization structure and to derive the chemical composition of the gas in these regions.Therefore, we have selected from the literature (Van Zee et al. 1998) those H II regions with solar or oversolarabundance, as deduced from empirical calibrations based on the optical oxygen forbidden lines. 2002 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57112088 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.12 |
| title | Acomprehensive study of high metallicity giant extragalactic h ii regions: chemical abundances |
| topic | Física, Astronomía y Matemáticas NGC 925 NGC 1232 NGC 1637) H II REGIONS GALAXIES: INDIVIDUAL (NGC 628 |
| url | https://www.redalyc.org/articulo.oa?id=57112088 |