Intermediate-brightness equatorial spectrophotometric standards
We have obtained spectral energy distributions for 41 7^sup m^-8^sup m^ 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 inte...
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| Veröffentlicht in: | Astronomy reports 2002-03, Vol.46 (3), p.224-232 |
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| creator | Tereshchenko, V M |
| description | We have obtained spectral energy distributions for 41 7^sup m^-8^sup m^ 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.[PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1134/1.1463100 |
| format | Article |
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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. 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| ispartof | Astronomy reports, 2002-03, Vol.46 (3), p.224-232 |
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| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Astrophysics Equator Luminosity Stars & galaxies |
| title | Intermediate-brightness equatorial spectrophotometric standards |
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