What type of details about christy a. tremonti  can be gathered from the following bio?  Bio: christy a. tremonti is an observational astronomer on the faculty at the university of wisconsin -- madison . she was a 2005 hubble fellow while at the university of arizona . she received her ph.d. from johns hopkins university in 2003 . she completed her dissertation , `` the physical properties of low redshift star forming galaxies : insights from the space-uv and 20,000 sdss spectra '' , under the supervision of dr. timothy m. heckman . her primary interests involve galaxy formation and evolution , including star-forming galaxies , active galactic nucleus -lrb- agn -rrb- feedback , galactic winds , and galaxy mergers . she is also interested in spectroscopy and data mining , and is a member of the sloan digital sky survey . she has over sixty journal articles in such publications as the astronomical journal , astrophysical journal , and the monthly notices of the royal astronomical society . most of her articles can be found in full text at arxiv.org . like many scientists , dr. tremonti is highly collaborative , with over 150 co-authors across her many publications . some of her most frequent collaborators are timothy m. heckman , jon v. brinkmann , and donald p. schneider . according to scopus , her h-index as of march , 2015 is 44 . as of march 15 , 2015 , dr. tremonti 's top three most highly cited articles present research about the sloan digital sky survey . including the most highly cited article on which dr. tremonti was lead author , `` the origin of the mass-metallicity relation : insights from 53,000 star-forming galaxies in the sloan digital sky survey '' . she was one of the first to use the sloan digital sky survey 's statistical power for galaxy evolution studies . dr. tremonti is a member of the international astronomical union .
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