Abstract
In this paper the effect of typical outdoor LED lamps on star visibility index SVI was analyzed. For those lamps the spectral power distribution SPD, the nearest color temperature CCT [K] and efficacy n [lm/W] are provided. For given lamp, the SVI has been defined as ratio of its scotopic flux to scotopic flux created by full moon. The calculations shows that, the use of lamps with low CCT does not significantly affect the of the value SVI. Unfortunately from an economic point of view, those kind of lamps are less attractive in applications because of their low n. Full Text: PDF ReferencesC. Rich, T. Longcore, eds., Ecological Consequences of Artificial Night Lighting, Island Press, Washington, DC (2006) DirectLink T. Longcore, C. Rich, Ecological light pollution. Front Ecol Environ 2(4), (2004). CrossRef K. J. Navara, R. J. Nelson, The dark side of light at night: physiological, epidemiological, and ecological consequences. J Pineal Res 43, (2007) CrossRef A. Bierman, Will switching to LED outdoor lighting increase sky glow, Lighting Res. Technol., Vol. 44, (2012). CrossRef Ch. B. Luginbuhl, P. A. Boley, D. R. Davis, The impact of light source spectral power distributionon sky glow, Journal of Quantitative Spectroscopy and Radiative Transfer, (2014). CrossRef M. Aube, J. Roby J, M. Kocifaj, Evaluating Potential Spectral Impacts of Various Artificial Lights on Melatonin Suppression, Photosynthesis, and Star Visibility. PLOS ONE, Vol. 8, (2013). CrossRef J. A. Brons, J. D. Bullough, M. S. Rea, Outdoor site-lighting performance: A comprehensive and quantitative framework for assessing light pollution, Lighting Res. Technol., Vol. 40, (2008). CrossRef I. Fryc, P. Tabaka, The night sky light pollution created by outdoor luminaires, Przeglad Elektrotechniczny, R. 93, No. 6, (2017). CrossRef I. Fryc, F. Bisegna, P. Tabaka, Lighting of recreation grounds as a source of sky glow - the influence of luminaire type on this phenomenon, 1st IEEE International Conference On Environment And Electrical Engineering and 17th IEEE Industrial And Commercial Power Systems Europe (2017). CrossRef Chr. B. Luginbuhl, C. E. Walker, R. J. Wainscoat, Lighting and astronomy, Physics Today 62, 12, 32 (2009). CrossRef G. W. Lockwood, D. T. Thompson, and R. D. Floyd, Sky glow and outdoor lighting trends since 1976 at The Lowell Observatory, Publications of the Astronomical Society of the Pacific, Volume 102, Number 650, (1990). CrossRef Ch. B. Luginbuhl, P. A. Boley, D. R. Davis, D. M. Duriscoe, The effects of lamp spectral distribution on sky glow over observatories. Highlights ofastronomy Vol. 16, 2014, as presented at the XXVIIIth generalassembly of the international Astronomical Union, Beijing, China,August 20-31, (2012). CrossRef
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