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3D spectroscopy of Wolf-Rayet HII galaxies

Published online by Cambridge University Press:  09 February 2015

C. Kehrig ,
E. Pérez-Montero ,
J. M. Vílchez ,
J. Brinchmann ,
D. Kunth ,
F. Durret ,
J. Iglesias-Páramo  and
J. Hernández-Fernández
C. Kehrig
Affiliation:
Instituto de Astrofísica de Andalucía - Apartado de correos 3004, 18080 Granada, Spain
E. Pérez-Montero
Affiliation:
Instituto de Astrofísica de Andalucía - Apartado de correos 3004, 18080 Granada, Spain
J. M. Vílchez
Affiliation:
Instituto de Astrofísica de Andalucía - Apartado de correos 3004, 18080 Granada, Spain
J. Brinchmann
Affiliation:
Leiden University - PO Box 9513, 2300 RA Leiden, The Netherlands
D. Kunth
Affiliation:
Institut d'Astrophysique de Paris - 98 bis boulevard Arago, 75014 Paris, France
F. Durret
Affiliation:
Institut d'Astrophysique de Paris - 98 bis boulevard Arago, 75014 Paris, France
J. Iglesias-Páramo
Affiliation:
Instituto de Astrofísica de Andalucía - Apartado de correos 3004, 18080 Granada, Spain
J. Hernández-Fernández
Affiliation:
Universidade de São Paulo (IAG) - Rua do Matão 1226, 05508-090 SP, Brazil
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Abstract

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Wolf-Rayet HII galaxies are local metal-poor star-forming galaxies, observed when the most massive stars are evolving from O stars to WR stars, making them template systems to study distant starbursts. We have been performing a program to investigate the interplay between massive stars and gas in WR HII galaxies using IFS. Here, we highlight some results from the first 3D spectroscopic study of Mrk 178, the closest metal-poor WR HII galaxy, focusing on the origin of the nebular HeII emission and the aperture effects on the detection of WR features.

Keywords

galaxies: dwarf — ISM: abundances — ISM: HII regions — stars: Wolf-Rayet
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Issue S309: Galaxies in 3D across the Universe , July 2014 , pp. 155 - 156
Copyright
Copyright © International Astronomical Union 2015 

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