Zhilyaev, B.E.; Romanyuk, Ya.O.; Verlyuk, I.A.; Svyatogorov, O.A.; Lovkaya, M.N.
(Кинематика и физика небесных тел, 2005)
Nobody has reached the photometric precision better than 0.001 of a magnitude with ground-based telescopes. At the same time, we should spend barely some seconds of time to detect a million photons from any bright star and ...