Temperature variations and n+/o+ in the orion nebula II the collision strengths
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2001
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| _version_ | 1876465614342586368 |
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| author | R. H. Rubin |
| author_facet | R. H. Rubin |
| contents | Temperature variations and n+/o+ in the orion nebula II the collision strengths R. H. Rubin R. J. Dufour P. G. Martin G. J. Ferland J. A. Baldwin C. O. Ortiz D. K. Walter Física, Astronomía y Matemáticas ISM: IN ISM: ABUNDANCES ISM: H II REGIONS DIVIDUAL: ORION NEBULA We continue an investigation of electron temperature (Te), mean{square Tevariation (t2), and the N+/O+ abundance ratio. Our previous analysis of HSTspectra of the Orion Nebula used collision strengths for N+ by Sta ord et al. (1994).Here we examine the consequences of changing just these collision strengths by usingthose of Lennon & Burke (1994). Rather than utilize the standard analytical, lowelectron density (Ne) regime treatment for the analysis, we develop a numericaltechnique that is valid at any density. With Sta ord et al. collision strengths, wend the average Ne for the (N+, O+){zone is 7500 cm 2001 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101008 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.10 |
| format | Artículo científico |
| id | redalyc_57101008 |
| institution | Redalyc |
| language | en |
| publishDate | 2001 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Temperature variations and n+/o+ in the orion nebula II the collision strengths R. H. Rubin Física, Astronomía y Matemáticas ISM: IN ISM: ABUNDANCES ISM: H II REGIONS DIVIDUAL: ORION NEBULA Temperature variations and n+/o+ in the orion nebula II the collision strengths R. H. Rubin R. J. Dufour P. G. Martin G. J. Ferland J. A. Baldwin C. O. Ortiz D. K. Walter Física, Astronomía y Matemáticas ISM: IN ISM: ABUNDANCES ISM: H II REGIONS DIVIDUAL: ORION NEBULA We continue an investigation of electron temperature (Te), mean{square Tevariation (t2), and the N+/O+ abundance ratio. Our previous analysis of HSTspectra of the Orion Nebula used collision strengths for N+ by Sta ord et al. (1994).Here we examine the consequences of changing just these collision strengths by usingthose of Lennon & Burke (1994). Rather than utilize the standard analytical, lowelectron density (Ne) regime treatment for the analysis, we develop a numericaltechnique that is valid at any density. With Sta ord et al. collision strengths, wend the average Ne for the (N+, O+){zone is 7500 cm 2001 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101008 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.10 |
| title | Temperature variations and n+/o+ in the orion nebula II the collision strengths |
| topic | Física, Astronomía y Matemáticas ISM: IN ISM: ABUNDANCES ISM: H II REGIONS DIVIDUAL: ORION NEBULA |
| url | https://www.redalyc.org/articulo.oa?id=57101008 |