paper

Near-Infrared Classification Spectroscopy: J-Band Spectra of Fundamental MK Standards

arXiv:astro-ph/0001546 · doi:10.1086/308835

Abstract

We present a catalog of J-band spectra for 88 fundamental MK standard stars observed at a resolving power of R ~ 3000. This contribution serves as a companion atlas to the K-band spectra published by Wallace and Hinkle (1997) and the H-band atlas of Meyer et al. (1998). We report data from 7400-9550 1/cm (1.05-1.34 microns) for stars of spectral types O7-M6 and luminosity classes I-V as defined in the MK system. In reducing these data, special care has been taken to remove time-variable telluric features of water vapor. We identify atomic and molecular indices which are both temperature and luminosity sensitive that aid in the classification of stellar spectra in the J-band. In addition to being useful in the classification of late-type stars, the J-band contains several features of interest in the study of early-type stellar photospheres. These data are available electronically for anonymous FTP in addition to being served on the World Wide Web.

arXiv commentAccepted for publication in the Astrophysical Journal. 17 pages including 4 tables, 10 figures in PNG format. Complete PostScript version at http://gould.as.arizona.edu/mmeyer data at http://www.noao.edu/archives.html

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