MIKULÁŠEK, Zdeněk, Ján SVOREŇ and Jozef ŽIŽŇOVSKÝ. Atmospheric Extinction at the Brno and Skalnaté Pleso Observatories. III. Model of extinction derived for Skalnaté Pleso from IHW/IAU medium-band photometrical observation of comets in 1985-90. Contributions of the Astronomical Observatory Skalnaté Pleso. Tatranska Lomnica, Slovak Republic: Astronomický ústav SAV, 2003, vol. 33, No 1, p. 21-28. ISSN 1335-1842. |
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@article{407781, author = {Mikulášek, Zdeněk and Svoreň, Ján and Žižňovský, Jozef}, article_location = {Tatranska Lomnica, Slovak Republic}, article_number = {1}, keywords = {atmosferic extinction; IHW photometry; comets; dust}, language = {eng}, issn = {1335-1842}, journal = {Contributions of the Astronomical Observatory Skalnaté Pleso}, title = {Atmospheric Extinction at the Brno and Skalnaté Pleso Observatories. III. Model of extinction derived for Skalnaté Pleso from IHW/IAU medium-band photometrical observation of comets in 1985-90}, volume = {33}, year = {2003} }
TY - JOUR ID - 407781 AU - Mikulášek, Zdeněk - Svoreň, Ján - Žižňovský, Jozef PY - 2003 TI - Atmospheric Extinction at the Brno and Skalnaté Pleso Observatories. III. Model of extinction derived for Skalnaté Pleso from IHW/IAU medium-band photometrical observation of comets in 1985-90 JF - Contributions of the Astronomical Observatory Skalnaté Pleso VL - 33 IS - 1 SP - 21-28 EP - 21-28 PB - Astronomický ústav SAV SN - 13351842 KW - atmosferic extinction KW - IHW photometry KW - comets KW - dust N2 - 75 measurements of atmospheric extinction obtained during the observations of bright comets 1P/Halley in 1985/86, 23P/Brorsen-Metcalf in 1989 and C/Austin in 1990 in the IHW/IAU six-colour intermediate band photometric system at the Skalnaté Pleso Observatory have confirmed the validity of the two-component model of atmospheric extinction published in Paper II. That is a superposition of a more or less constant component of Rayleigh scattering on temporary clumps of molecules of air and a heavily variable component of scattering on dust particles (aerosols). The found value of spectral parameter a of the dust component of atmospheric extinction: alpha = 1.01+-0.28 suggests that the scattering centres are tiny dielectric dust particles. The results of IHW/IAU extinction study have been compared with the results of UBV extinction coefficients gained mostly as a by-product of the photoelectric photometry of variable stars on the Brno and Skalnaté Pleso Observatories. ER -
MIKULÁŠEK, Zdeněk, Ján SVOREŇ and Jozef ŽIŽŇOVSKÝ. Atmospheric Extinction at the Brno and Skalnaté Pleso Observatories. III. Model of extinction derived for Skalnaté Pleso from IHW/IAU medium-band photometrical observation of comets in 1985-90. \textit{Contributions of the Astronomical Observatory Skalnaté Pleso}. Tatranska Lomnica, Slovak Republic: Astronomický ústav SAV, 2003, vol.~33, No~1, p.~21-28. ISSN~1335-1842.
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