Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007rmxac..29..101p&link_type=abstract
First Light Science with the GTC (Eds. R. Guzmán, C. Packham, J. M. Rodríguez-Espinosa, & S. Torres-Peimbert) Revista Mexicana d
Astronomy and Astrophysics
Astronomy
1
Galaxies: Starburst
Scientific paper
Luminous Compact Blue Galaxies (LCBGs) are high surface brightness galaxies, bluer than a typical SBc and brighter than 0.25L^{star}, which are undergoing a major burst of star formation. LCBGs are the closest counterpart of the numerous population of starburst galaxies at intermediate and high redshift, including Lyman-break galaxies at z ˜ 2. We have selected a representative sample of 24 LCBGs from the SDSS, UCM and MRK catalogs which, although small, provides an excellent reference for characterizing LCBGs as a class and for comparison with current and future surveys of similar starbursts at higher redshift. We are carrying out a 3D optical spectroscopic study of this LCBG sample as part of an ambitious multiwavelength program ranging from FUV (GALEX) to radio (VLA). 3D spectroscopy provides spatially resolved maps of kinematics, extinction, SFR and metallicity, in order to characterize their star formation history and mass distributions, and the role of mergers and supernova galactic winds. We present results from data taken with PPAK at the 3.5-m telescope in CAHA. We use these data to simulate integrated rest-frame optical spectra of high redshift starburst galaxies using the new generation of IR multi-object spectrographs, such as EMIR at the GTC.
Gruel Nicolas
Guzman Rafael
Perez-Gallego J.
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