Physical Properties of Massive, Star-Forming Galaxies When the Universe Was Only Two Billion Years Old

Physical Properties of Massive, Star-Forming Galaxies When the Universe Was Only Two Billion Years Old

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dc.contributor.author Fu, Nicole Christina
dc.date.accessioned 2011-05-04T18:59:56Z
dc.date.available 2011-05-04T18:59:56Z
dc.date.created 2011 en_US
dc.date.issued 2011-05-04
dc.identifier.uri http://hdl.handle.net/10393/19956
dc.description.abstract Due to the finite speed of light and a vast, expanding universe, telescopes are just now receiving the light emitted by galaxies as they were forming in the very early universe. The light from these galaxies has been redshifted (stretched to longer, redder wavelengths) as a result of its journey through expanding space. Using sophisticated techniques and exceptional multi-wavelength optical and infrared data, we isolate a population of 378 galaxies in the process of formation when the Universe was only two billion years old. By matching the distinctive properties of the light spectra of these galaxies to models, the redshift, age, dust content, star formation rate and total stellar mass of each galaxy are determined. Comparing our results to similar surveys of galaxy populations at other redshifts, a picture emerges of the growth and evolution of massive, star-forming galaxies over the course of billions of years. en_US
dc.language.iso en en_US
dc.subject Lyman-break galaxies en_US
dc.subject LBG en_US
dc.subject galaxy formation and evolution en_US
dc.subject high redshift en_US
dc.subject colour-colour plots en_US
dc.subject galaxy model fitting en_US
dc.subject optical photometry en_US
dc.subject infrared photometry en_US
dc.subject photometric redshift technique en_US
dc.subject cosmology en_US
dc.subject early universe en_US
dc.subject observational astrophysics en_US
dc.subject astronomy en_US
dc.subject galaxy spectra en_US
dc.subject Lyman-break technique en_US
dc.subject concentric aperture photometry en_US
dc.subject star-forming galaxies en_US
dc.subject Lyman-alpha forest en_US
dc.subject dust extinction en_US
dc.subject synthetic galaxies en_US
dc.subject Lyman-break galaxy en_US
dc.title Physical Properties of Massive, Star-Forming Galaxies When the Universe Was Only Two Billion Years Old en_US
dc.type Thèse / Thesis en_US
dc.faculty.department Physique / Physics en_US
dc.contributor.supervisor Willott, Christopher
dc.embargo.terms immediate en_US
dc.degree.name msc en_US
dc.degree.level masters en_US
dc.degree.discipline Sciences / Science en_US

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