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- W847851572 abstract "Our understanding of galaxy evolution depends on model spectra of stellar populations, and the models are only as good as the observed spectra and stellar parameters that go into them. We are therefore evaluating modem UV-optical model spectra using Hubble's Next Generation Spectral Library (NGSL) as the reference standard. The NGSL comprises intermediate-resolution (R is approximately 1000) STIS spectra of 378 stars having a wide range in metallicity and age. Unique features of the NGSL include its broad wavelength coverage (1,800-10,100 A) and high-S/N, absolute spectrophotometry. We will report on a systematic comparison of model and observed UV-blue spectra, describe where on the HR diagram significant differences occur, and comment on current approaches to correct the models for these differences." @default.
- W847851572 created "2016-06-24" @default.
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- W847851572 date "2007-04-16" @default.
- W847851572 modified "2023-09-27" @default.
- W847851572 title "Constraining Galaxy Evolution Using Observed UV-Optical Spectra" @default.
- W847851572 hasPublicationYear "2007" @default.
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