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Secondary standard stars for absolute spectrophotometry.

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Abstract

Based on an adopted absolute spectral energy distribution for the primary standard star Alpha Lyrae, absolute fluxes are given for the four very metal-deficient F type subdwarfs HD 19445, HD 84937, BD + 26.2606 deg, and BD + 17.4703 deg. Somewhat inferior data are also given for HD 140283. The data are given for 40-A bands and cover the wavelength range from 3080 A to 12,000 A. The four stars, all near magnitude 9 and distributed around the sky, are intended as secondary standards for absolute spectrophotometry.


Publication:

The Astrophysical Journal

Pub Date:
March 1983
DOI:

10.1086/160817

Bibcode:
1983ApJ...266..713O
Keywords:
  • Reference Stars;
  • Spectral Energy Distribution;
  • Stellar Spectrophotometry;
  • Subdwarf Stars;
  • Calibrating;
  • Line Spectra;
  • Astronomy