# ============================================================================ # V/50 Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991) # ============================================================================ # The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version) # Hoffleit E.D., Warren Jr. W.H. # <Astronomical Data Center, NSSDC/ADC (1991)> # =1991bsc..book.....H # ============================================================================ # ADC_Keywords: Combined data ; Stars,

Atmospheric transparency in the optical and near IR range above the Shatdzhatmaz summit O.Voziakova (Sternberg Astronomical Institute, Russia) Atmospheric extinction in the MASS spectral band Atmospheric transparency in near IR range Example of a good photometric night. ... Distribution of atmospheric extinction in MASS Median = 0.23 mag 1-st quartile = 0.20 3-d quartile = 0.27 mag Vertical green line represents theoretical Rayleigh extinction for Shatdzhatmaz (0.16 mag). ...

... Спектральный анализ полученных РСДБ-данных позволил сделать оценки показателя пространственного спектра флуктуаций электронной концентрации и скорости переноса неоднородностей солнечного ветра на трассе зондирования. ... Рис. 3.1в . ... Рассматриваемый метод исследования турбулентной среды является наиболее информативным при слабых флуктуациях фазы, т.к. позволяет определить показатель пространственного спектра распределения неоднородностей и скорость солнечного ветра. ... О форме частотного спектра...

... Fakerat Software in the International Interferometric RadioAstron Project with Very Long Ground­Space Bases V. I. Zhuravlev Astro Space Center of the Lebedev Physical Institute, Russian Academy of Sciences (FIAN ASC), Leninskii pr. ... The results of sched uled observations using the Fakerat package, carried out during the first two years after launching the space radio telescope (SRT) in the space­ground interferometer mode, are reported in the paper. ... Figure 4 shows, in the (, observations. ...

... Reports on progress and error are always recorded in the log file of the program. ... UT date of the measurement finish in YYYY-MM-DD format UT time of the measurement finish in hh:mm:ss format Average flux in A aperture Average flux in B aperture Average flux in C aperture Average flux in D aperture Normalized variance of flux in A aperture Normalized variance of flux in B aperture Normalized variance of flux in C aperture Normalized variance of flux in D ...

... GRIN lenses for telecommunication optics applications ? GTC (gradient telecom) lenses. ... GTC lenses are used in different fiber-optic devices: collimators, couplers, isolators and WDM etc . ... 2.Diameter . GTC lenses diameters are 1.0 mm, 1.8 mm, 3.0 mm and 4.0mm. ... 1.0 mm -3.0 mm diam GTC lenses are supplied in 0.22P, 0.23P, 0.25P, 0.27P and 0.29P length. 4.0 mm diam GTC lenses are supplied in 0.11P length. ... GTC . ... 3 scratches with 5mkm max width and 200mkm max length are allowed . ...