ANALYSIS OF THE DIFFUSE IONIZED GAS DATABASE: DIGEDA
Fuente:
Redalyc
Guardado en:
| Autor principal: | |
|---|---|
| Formato: | Artículo científico |
| Lenguaje: | en |
| Publicado: |
Universidad Nacional Autónoma de México
2009
|
| Materias: | |
| Acceso en línea: | |
| Etiquetas: |
Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
|
| _version_ | 1876487412612333568 |
|---|---|
| author | Nahiely Flores-Fajardo |
| author_facet | Nahiely Flores-Fajardo |
| contents | ANALYSIS OF THE DIFFUSE IONIZED GAS DATABASE: DIGEDA Nahiely Flores-Fajardo Christophe Morisset Luc Binette Física, Astronomía y Matemáticas line: formation ISM: HII regions galaxies: general ISM: lines and bands Astronomical data bases: miscellaneous Studies of the Di use Ionized Gas (DIG) have progressed without providing so far any strict criterion to distinguish DIGs from H II regions. In this work, we compile the emission line measurements of 29 galaxies that are available in the scientic literature, thereby setting up the rst DIG database (DIGEDA).Making use of this database, we proceed to analyze the global properties of the DIG using the [N II]-6583/H , [O I]-6300/H , [O III]-5007/H and [S II]-6716/H lines ratios, including the H emission measure. This analysis leads us to conclude that the [N II]/H ratio provides an objective criterion for distinguishing whether an emission region is a DIG or an H II region, while the EM(H ) is a useful quantity only when the galaxies are considered individually. Finally, we nd that the emission regions of Irr galaxies classied as DIG in the literature appear in fact to be much more similar to H II regions than to the DIGs of spiral galaxies. 2009 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57112175013 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) Num.2 Vol.45 |
| format | Artículo científico |
| id | redalyc_57112175013 |
| institution | Redalyc |
| language | en |
| publishDate | 2009 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | ANALYSIS OF THE DIFFUSE IONIZED GAS DATABASE: DIGEDA Nahiely Flores-Fajardo Física, Astronomía y Matemáticas line: formation ISM: HII regions galaxies: general ISM: lines and bands Astronomical data bases: miscellaneous ANALYSIS OF THE DIFFUSE IONIZED GAS DATABASE: DIGEDA Nahiely Flores-Fajardo Christophe Morisset Luc Binette Física, Astronomía y Matemáticas line: formation ISM: HII regions galaxies: general ISM: lines and bands Astronomical data bases: miscellaneous Studies of the Di use Ionized Gas (DIG) have progressed without providing so far any strict criterion to distinguish DIGs from H II regions. In this work, we compile the emission line measurements of 29 galaxies that are available in the scientic literature, thereby setting up the rst DIG database (DIGEDA).Making use of this database, we proceed to analyze the global properties of the DIG using the [N II]-6583/H , [O I]-6300/H , [O III]-5007/H and [S II]-6716/H lines ratios, including the H emission measure. This analysis leads us to conclude that the [N II]/H ratio provides an objective criterion for distinguishing whether an emission region is a DIG or an H II region, while the EM(H ) is a useful quantity only when the galaxies are considered individually. Finally, we nd that the emission regions of Irr galaxies classied as DIG in the literature appear in fact to be much more similar to H II regions than to the DIGs of spiral galaxies. 2009 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57112175013 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) Num.2 Vol.45 |
| title | ANALYSIS OF THE DIFFUSE IONIZED GAS DATABASE: DIGEDA |
| topic | Física, Astronomía y Matemáticas line: formation ISM: HII regions galaxies: general ISM: lines and bands Astronomical data bases: miscellaneous |
| url | https://www.redalyc.org/articulo.oa?id=57112175013 |