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Mapping of extragalactic star forming regions in interacting systems

Grant number: 07/06436-4
Support type:Scholarships in Brazil - Master
Effective date (Start): March 01, 2008
Effective date (End): July 31, 2009
Field of knowledge:Physical Sciences and Mathematics - Astronomy
Principal Investigator:Claudia Lucia Mendes de Oliveira
Grantee:Paula Maria Fernanda Urrutia Viscarra
Home Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Young extragalactic star formation regions can be found close to merging or strongly interacting galaxies, in the outskirts of galaxy pairs or inthe intragroup medium of interacting loose and compact groups. This thesis will address a study of the ages and masses of such young star formingregions, which we plan to identify in 34 galactic systems. The sample was selected in a search made in the archive of the GALEX satellite (for the ultraviolet data) and the databases of the ``Rogues GAllery" (which contain HI maps for a number of interacting systems) and the sdss (for the optical data). These star forming regions are expected to vary in mass, age and sizes, being identified as young clusters, intergalactic HII regions or tidal dwarf galaxies. The majority of the groups/pairs we plan to study contain HI clouds which do not coincide with the optical centers of the galaxies.

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE MELLO, D. F.; URRUTIA-VISCARRA, F.; MENDES DE OLIVEIRA, C.; TORRES-FLORES, S.; CARRASCO, E. R.; CYPRIANO, E. Star formation in H I tails: HCG 92, HCG 100 and six interacting systems. Monthly Notices of the Royal Astronomical Society, v. 426, n. 3, p. 2441-2451, NOV 2012. Web of Science Citations: 14.
TORRES-FLORES, S.; MENDES DE OLIVEIRA, C.; DE MELLO, D. F.; SCARANO, JR., S.; URRUTIA-VISCARRA, F. NGC 2782: a merger remnant with young stars in its gaseous tidal tail. Monthly Notices of the Royal Astronomical Society, v. 421, n. 4, p. 3612-3621, APR 2012. Web of Science Citations: 16.

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