---
abstract: 'We present a catalogue of H–band spectra for 85 stars of approximately solar abundance observed at a resolving power of 3000 with the KPNO Mayall 4m FTS. The atlas covers spectral types O7–M5 and luminosity classes I-V as defined on the MK system. We identify both atomic and molecular indices and line–ratios which are temperature and luminosity sensitive allowing spectral classification to be carried out in the H–band. The line ratios permit spectral classification in the presence of continuum excess emission, which is commonly found in pre–main sequence and evolved stars. We demonstrate that with spectra of $R = 1000$ obtained at $SNR > 50$ it is possible to derive spectral types within $\pm 2$ subclasses for late–type stars. These data are available electronically through the Astronomical Data Center in addition to being served on the World–Wide–Web.'
author:
- 'Michael R. Meyer'
- Suzan Edwards
- 'Kenneth H. Hinkle'
- 'Stephen E. Strom'
title: |
    Near–Infrared Classification Spectroscopy:\
    H–band Spectra of Fundamental MK Standards
---

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Introduction
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With the recent development of large–format infrared array detectors, high quality photometric surveys are routinely conducted at wavelengths between 1–2.5 $\mu$m. Soon the completion of the 