Physical Classification of Galaxies with MOPED/VESPA Export

@article{citeulike:3432810, abstract = {The availability of high-quality spectra for a large number of galaxies in the SDSS survey allows for a more sophisticated extraction of information about their stellar populations than, e.g., the luminosity weighted age. Indeed, sophisticated and robust techniques to fully analyze galaxy spectra have now reached enough maturity as to trust their results and findings. By reconstructing the star formation and metallicity history of galaxies from the SDSS fossil record and analyzing how it relates to its environment, we have learned how to classify galaxies: to first order the evolution of a galaxy is determined by its present stellar mass, which in turn seems to be governed by the merger rate of dark halos.}, archivePrefix = {arXiv}, author = {Jimenez, Raul and Heavens, Alan F. and Panter, Ben and Tojeiro, Rita}, citeulike-article-id = {3432810}, citeulike-linkout-0 = {http://arxiv.org/abs/0810.3505}, citeulike-linkout-1 = {http://arxiv.org/pdf/0810.3505}, day = {20}, eprint = {0810.3505}, keywords = {classification, galaxies, machine\_learn}, month = {Oct}, posted-at = {2008-11-27 10:17:28}, priority = {2}, title = {Physical Classification of Galaxies with MOPED/VESPA}, url = {http://arxiv.org/abs/0810.3505}, year = {2008} }

TY - JOUR ID - citeulike:3432810 L3 - citeulike-article-id:3432810 N2 - The availability of high-quality spectra for a large number of galaxies in the SDSS survey allows for a more sophisticated extraction of information about their stellar populations than, e.g., the luminosity weighted age. Indeed, sophisticated and robust techniques to fully analyze galaxy spectra have now reached enough maturity as to trust their results and findings. By reconstructing the star formation and metallicity history of galaxies from the SDSS fossil record and analyzing how it relates to its environment, we have learned how to classify galaxies: to first order the evolution of a galaxy is determined by its present stellar mass, which in turn seems to be governed by the merger rate of dark halos. TI - Physical Classification of Galaxies with MOPED/VESPA KW - classification KW - galaxies KW - machine_learn AU - Jimenez, Raul AU - Heavens, Alan AU - Panter, Ben AU - Tojeiro, Rita PY - 2008/Oct/20/ UR - http://arxiv.org/abs/0810.3505 ER -