A medium-resolution near-infrared spectral library of late-type stars. I

Valentin D. Ivanov, Marcia J. Rieke, Charles W. Engelbracht, Almudena Alonso-Herrero, George H. Rieke, Kevin Luhman

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

We present an empirical infrared spectral library of medium-resolution (R ≈ 2000-3000) H (1.6 μm) and K (2.2 μm) band spectra of 218 red stars, spanning a range of [Fe/H] from ∼-2.2 to ∼+0.3. The sample includes Galactic disk stars, bulge stars from Baade's window, and red giants from Galactic globular clusters. We report the values of 19 indices covering 12 spectral features measured from the spectra in the library. Finally, we derive calibrations to estimate the effective temperature, and diagnostic relationships to determine the luminosity classes of individual stars from near-infrared spectra. This paper is part of a larger effort aimed at building a near-IR spectral library to be incorporated in population synthesis models, as well as at testing synthetic stellar spectra.

Original languageEnglish (US)
Pages (from-to)387-397
Number of pages11
JournalAstrophysical Journal, Supplement Series
Volume151
Issue number2
DOIs
StatePublished - Apr 1 2004

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near infrared
stars
stellar spectra
globular clusters
coverings
infrared spectra
luminosity
calibration
library
synthesis
estimates
temperature

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Ivanov, V. D., Rieke, M. J., Engelbracht, C. W., Alonso-Herrero, A., Rieke, G. H., & Luhman, K. (2004). A medium-resolution near-infrared spectral library of late-type stars. I. Astrophysical Journal, Supplement Series, 151(2), 387-397. https://doi.org/10.1086/381752
Ivanov, Valentin D. ; Rieke, Marcia J. ; Engelbracht, Charles W. ; Alonso-Herrero, Almudena ; Rieke, George H. ; Luhman, Kevin. / A medium-resolution near-infrared spectral library of late-type stars. I. In: Astrophysical Journal, Supplement Series. 2004 ; Vol. 151, No. 2. pp. 387-397.
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Ivanov, VD, Rieke, MJ, Engelbracht, CW, Alonso-Herrero, A, Rieke, GH & Luhman, K 2004, 'A medium-resolution near-infrared spectral library of late-type stars. I', Astrophysical Journal, Supplement Series, vol. 151, no. 2, pp. 387-397. https://doi.org/10.1086/381752

A medium-resolution near-infrared spectral library of late-type stars. I. / Ivanov, Valentin D.; Rieke, Marcia J.; Engelbracht, Charles W.; Alonso-Herrero, Almudena; Rieke, George H.; Luhman, Kevin.

In: Astrophysical Journal, Supplement Series, Vol. 151, No. 2, 01.04.2004, p. 387-397.

Research output: Contribution to journalArticle

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