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Gravity Indicators in the Near-Infrared Spectra of Brown Dwarfs
ASTROPHYSICAL JOURNAL, no. 2 (2003): 1074-1092
摘要
We investigate the sensitivity to temperature and gravity of the strong absorption features in the J- and K-band spectra of substellar objects. We compare the spectra of giants and young M dwarfs (of low gravity) to field M and L dwarfs (of high gravity) and to model spectra from the Lyon group. We find that low-resolution spectra of M4-M...更多
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