Southern spectrophotometric standards.

Details Southern spectrophotometric standards. Southern spectrophotometric standards.

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasp..104..533h&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 104, no. 677, July 1992, p. 533-552.

Astronomy and Astrophysics

Astronomy

359

Astrometry, Astronomical Photometry, Astronomical Spectroscopy, Southern Sky, Stellar Spectrophotometry, Calibrating, Charge Coupled Devices, Spectral Bands, Spectral Energy Distribution, Spectrographs, Stellar Magnitude

Scientific paper

New observations of both secondary and tertiary spectrophotometric standards are reviewed which were made with the RC spectrographs and charge-coupled device cameras on the 1.5-m and 4-m telescopes in the wavelength range 3300-7550 A. Topics discussed include modification of the monochromatic fluxes of the secondary spectrophotometric standards (Taylor, 1984) according to the new calibration of Vega provided by Haynes (1985); tuning the zero point of the energy distribution of these stars by matching their V synthetic magnitudes to the observed magnitude; calculation of new fluxes for the tertiary standards; and a fine grid of averaged monochromatic fluxes for the ten secondary standards to be used in the flux calibration of high-dispersion spectra.

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