Dielectronic recombination of Mg II in stellar envelopes

The aim of the present paper is to discuss the significance, in the infrared continuum of Be stars, of the dielectronic recombination (DR) of Mg II atoms. To accomplish this, we hace calculated the emissitivity in the lines of Mg I atoms after the process of electron capture has taken place. In ord...

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Detalles Bibliográficos
Autores principales: Cruzado, Alicia, Di Rocco, Héctor Oscar, Ringuelet, Adela Emilia
Formato: Articulo
Lenguaje:Inglés
Publicado: 1998
Materias:
Ciencias Astronómicas
estrellas
atomic processes; emission line; Be stars
astrofísica
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/2088
http://iopscience.iop.org/article/10.1086/306004
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-2088
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Astronómicas
estrellas
atomic processes; emission line; Be stars
astrofísica
spellingShingle Ciencias Astronómicas
estrellas
atomic processes; emission line; Be stars
astrofísica
Cruzado, Alicia
Di Rocco, Héctor Oscar
Ringuelet, Adela Emilia
Dielectronic recombination of Mg II in stellar envelopes
topic_facet Ciencias Astronómicas
estrellas
atomic processes; emission line; Be stars
astrofísica
description The aim of the present paper is to discuss the significance, in the infrared continuum of Be stars, of the dielectronic recombination (DR) of Mg II atoms. To accomplish this, we hace calculated the emissitivity in the lines of Mg I atoms after the process of electron capture has taken place. In order to estimate its influence in the photospheric flux, we have considered the total energy emitted in all lines with λ<SUB>1</SUB> ≤ λ ≤ λ<SUB>2</SUB>, where λ<SUB>1</SUB> and λ<SUB>2</SUB> define the wavelegth ranges of the Johnson system filters. We conclude that the DR of Mg II atoms does actually contribute significantly to the infrared excess observed in Be stars.
format Articulo
Articulo
author Cruzado, Alicia
Di Rocco, Héctor Oscar
Ringuelet, Adela Emilia
author_facet Cruzado, Alicia
Di Rocco, Héctor Oscar
Ringuelet, Adela Emilia
author_sort Cruzado, Alicia
title Dielectronic recombination of Mg II in stellar envelopes
title_short Dielectronic recombination of Mg II in stellar envelopes
title_full Dielectronic recombination of Mg II in stellar envelopes
title_fullStr Dielectronic recombination of Mg II in stellar envelopes
title_full_unstemmed Dielectronic recombination of Mg II in stellar envelopes
title_sort dielectronic recombination of mg ii in stellar envelopes
publishDate 1998
url http://sedici.unlp.edu.ar/handle/10915/2088
http://iopscience.iop.org/article/10.1086/306004
work_keys_str_mv AT cruzadoalicia dielectronicrecombinationofmgiiinstellarenvelopes
AT diroccohectoroscar dielectronicrecombinationofmgiiinstellarenvelopes
AT ringueletadelaemilia dielectronicrecombinationofmgiiinstellarenvelopes
bdutipo_str Repositorios
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