L′ and M′ standard stars for the Mauna Kea Observatories Near-Infrared system

S. K. Leggett, T. G. Hawarden, M. J. Currie, A. J. Adamson, T. C. Carroll, T. H. Kerr, O. P. Kuhn, M. S. Seigar, W. P. Varricatt, T. Wold

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Abstract

We present L′ and M′ photometry, obtained at the United Kingdom Infrared Telescope (UKIRT) using the Mauna Kea Observatories Near-Infrared (MKO-NIR) filter set, for 46 and 31 standard stars, respectively. The L′ standards include 25 from the in-house 'UKIRT Bright Standards' with magnitudes deriving from Elias et al. and observations at the Infrared Telescope Facility in the early 1980s, and 21 fainter stars. The M′ magnitudes derive from the results of Sinton and Tittemore. We estimate the average external error to be 0.015 mag for the bright L′ standards and 0.025 mag for the fainter L′ standards, and 0.026 mag for the M′ standards. The new results provide a network of homogeneously observed standards, and establish reference stars for the MKO system, in these bands. They also extend the available standards to magnitudes which should be faint enough to be accessible for observations with modern detectors on large and very large telescopes.

Original languageEnglish (US)
Pages (from-to)144-152
Number of pages9
JournalMonthly Notices of the Royal Astronomical Society
Volume345
Issue number1
DOIs
StatePublished - Oct 11 2003

Keywords

  • Infrared: stars
  • Methods: data analysis
  • Techniques: photometric

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    Leggett, S. K., Hawarden, T. G., Currie, M. J., Adamson, A. J., Carroll, T. C., Kerr, T. H., Kuhn, O. P., Seigar, M. S., Varricatt, W. P., & Wold, T. (2003). L′ and M′ standard stars for the Mauna Kea Observatories Near-Infrared system. Monthly Notices of the Royal Astronomical Society, 345(1), 144-152. https://doi.org/10.1046/j.1365-8711.2003.06943.x