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THE INFRARED TELESCOPE FACILITY (IRTF) SPECTRAL LIBRARY: COOL STARS

Open access
Rayner, John T., Cushing, Michael C., Vacca, William D.·2009·The Astrophysical Journal Supplement Series

Abstract

We present a 0.8 -5 micron spectral library of 210 cool stars observed at a resolving power of R = lambda / Delta lambda ~ 2000 with the medium-resolution infrared spectrograph, SpeX, at the 3.0 m NASA Infrared Telescope Facility (IRTF) on Mauna Kea, Hawaii. The stars have well established MK spectral classifications and are mostly restricted to near-solar metallicities. The sample contains the F, G, K, and M spectral types with luminosity classes between I and V, but also includes some AGB, carbon, and S stars. In contrast to some other spectral libraries, the continuum shape of the spectra are measured and preserved in the data reduction process. The spectra are absolutely flux calibrated using Two Micron All Sky Survey (2MASS) photometry. Potential uses of the library include studying the physics of cool stars, classifying and studying embedded young clusters and optically obscured regions of the Galaxy, evolutionary population synthesis to study unresolved stellar populations in optically-obscured regions of galaxies, and synthetic photometry. The library is available in digital form from the IRTF website.

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Metadata

Authors
Rayner, J. T., Cushing, M. C., & Vacca, W. D.
Venue
The Astrophysical Journal Supplement Series
Published
2009-11-17
Volume
185
Issue
2
Pages
289-432
ISSN
  • 0067-0049 (ISSN-L)
  • 1538-4365
OpenAlex
W2028387291
Cited by
749
References
4
FWCI
22.10
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: THE INFRARED TELESCOPE FACILITY (IRTF) SPECTRAL LIBRARY: COOL STARS. https://app.cochat.ai/papers/10.1088/0067-0049/185/2/289
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Rayner, J. T., Cushing, M. C., & Vacca, W. D. (2009). THE INFRARED TELESCOPE FACILITY (IRTF) SPECTRAL LIBRARY: COOL STARS. The Astrophysical Journal Supplement Series. https://doi.org/10.1088/0067-0049/185/2/289

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