Physics
Scientific paper
Aug 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005aipc..783..367d&link_type=abstract
THE EVOLUTION OF STARBURSTS: The 331st Wilhelm and Else Heraeus Seminar. AIP Conference Proceedings, Volume 783, pp. 367-373 (2
Physics
Galaxies, Red Shift, Star Formation, Starburst Galaxies And Infrared Excess Galaxies, Distances, Redshifts, Radial Velocities, Spatial Distribution Of Galaxies, Origin, Formation, Evolution, Age, And Star Formation
Scientific paper
A key question in galaxy evolution is the physical nature of the intermediate redshift galaxies and their present-day counterparts. It is known that the star formation rate density increases rapidly from z=0 to z=1. Therefore, a census of the galaxy population as a function of redshift would be ideal in order to better understand the nature of galaxies at different epochs. In this contribution we analyse the properties of 71 UV bright galaxies at 0.2 < z < 1 using the GOODS/ACS data and the deepest HST U-band images obtained using WFPC2 as part of the parallel observations of the Hubble Ultra Deep Field Survey. Summarizing, most of the objects have (i) spectral types typical of late-type galaxies, (ii) low light concentration and (iii) high asymmetries. However, a few early-type objects are also seen suggesting that strong star formation is found in objects of all types at intermediate redshifts, from early-types with blue cores to strongly asymmetric late-type galaxies.
de Mello Duilia
GOODS Team
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