On the Necessity to Standardize Photometric Parameters of the WET Photometers
Kalytis R., Sperauskas J., Meištas E. G.
Open Astronomy · 1998
doi:10.1515/astro-1998-0217 (opens in a new tab)
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Abstract
The temperature dependence of spectral sensitivity of the Hamamatsu photomultipliers R 647P and R1463P is investigated in the temperature interval -5 (-15)°C to +25°C for the wavelength range between 280 and 820 (850) nm.The influence of the temperature variations on spectral sensitivity of PMTs and transmittance of the UBV filters to the accuracy of the WET and classical UBV photometry is estimated.It is argued that the temperature effects should be taken into account in WET observations as in the case of precise UBV photometry.
Abstract licence: CC BY-NC-ND
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