Original Article

Astrophysics and Space Science

, Volume 324, Issue 2, pp 355-359

First online:

Interactions and star-formation activity in Wolf–Rayet galaxies

  • Ángel R. López-SánchezAffiliated withCSIRO/Australia Telescope National FacilityInstituto de Astrofísica de Canarias Email author 
  • , César EstebanAffiliated withInstituto de Astrofísica de Canarias

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We present the main results of the Ph.D. thesis carried out by López-Sánchez (Ph.D. thesis, 2006), in which a detailed morphological, photometric and spectroscopic analysis of a sample of 20 Wolf–Rayet (WR) galaxies was performed. The main aims are the study of the star formation and O and WR stellar populations in these galaxies, and the role that interactions between low surface brightness companion objects have in the triggering of the bursts. We analyze the morphology, stellar populations, physical conditions, chemical abundances and kinematics of the ionized gas, as well as the star-formation activity of each system.


Galaxies: starburst Galaxies: interactions Galaxies: dwarf Galaxies: abundances Galaxies: kinematics and dynamics Stars: Wolf-Rayet