Intermediate-Brightness Equatorial Spectrophotometric Standards

Details Intermediate-Brightness Equatorial Spectrophotometric Standards Intermediate-Brightness Equatorial Spectrophotometric Standards

Mar 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002arep...46..224t&link_type=abstract

Astronomy Reports, Volume 46, Issue 3, March 2002, pp.224-232

Astronomy and Astrophysics

Astronomy

Scientific paper

We have obtained spectral energy distributions for 41 7m 8m stars near the celestial equator (δ=±3°). The λλ3100 7600 Å spectral range is studied with a spectral resolution of 50 Å. The relative rms error in the visible is 1 2%, increasing to 3 5% towards the edges of the wavelength interval studied. All stars are referenced to a single standard, the circumpolar star HD 221525. The synthetic colors of common stars are compared with those observed in four photometric systems: U BV, W BV R, uvby, and that of the TYCHO catalog. The program stars are recommended as secondary spectrophotometric standards.

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