Astronomy and Astrophysics – Astronomy
Scientific paper
May 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99.1621o&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 99, May 1990, p. 1621-1631. Research supported by the Space Telescope Science Instit
Astronomy and Astrophysics
Astronomy
571
Faint Objects, Stellar Spectrophotometry, Calibrating, Charge Coupled Devices, Hubble Space Telescope, Iue, Spectral Energy Distribution
Scientific paper
Absolute spectral energy distributions for 25 stars have been measured with the Double Spectrograph on the 5 m Hale telescope. They have been selected to be spectrophotometric standards for use with the Huble Space Telescope and with ground-based telescopes carrying out HST related work. More than half of these stars have absolute fluxes measured in the ultraviolet with the International Ultraviolet Explorer (IUE). Spectra are shown and smoothed absolute fluxes at continuumm points are listed. Comparisons of these fluxes with those determined elsewhere show that the ones in this paper are systematically brighter by 0.04 mag.
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