... The visible power a source emits in all directions is measured in lumens. ... Solid Angle- . ... The solid angle of a light cone is the projected area of the cone divided by the total surface area of the sphere. A solid angle is measured in steradians, where 1 steradian corresponds to the solid angle su btended by a cone of unit slant height and unit projected area. ... Luminous intensity is the flow of luminous energy, or lumens, per steradian. ... This is the rate of flow (lumens) per unit area. ...
... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...
... Same values with Т?_QEТЛ refer to product of transmission curve and detector QE curve. ... For IR filters, H2RG curve is required (though absent) . ... QE curve of a E2V CCD44-82 chip no. -09-02 is given here: . ... UBVRcIc filter curves: . ... SDSS filter curves: . ... IR filter curves are taken as from witness 1'' at 77K at AOI=0: . ... infrared_anc.png . ... round . ... Asahi . ... FSU . ... Bessell_U(25mm)-1 . ... SDSS_u'(25mm)-1 . ... USA . ... ANC . ... Curve by witness 1'' at 77K . ...
... http://www.heavens-above.com/skychart.aspx?SL=1 =1 =56.19448 =94.74609 =Unspecified =200 =CET . ... Далее указаны непосредственные значения широты (lat=56.19448) и долготы (lng=94.74609) места наблюдения, а также его название (loc=Unspecified - т.е. в данном случае не определено), высота над уровнем моря в метрах (alt=200) и временная зона - tz=CET - Всемирное эфемеридное время - сайт сам посчитает вашу поправку за долготу, которую вы можете подправить, если в этом возникнет необходимость. ...
... Monitoring of the development of the on-board 92-cm receiver (R-SRT-92 cm) ongoing at the KB GORIZONT in Nizhnii Novgorod: . ... OHCFS-SRT Space Radio Telescope On-board Heterodyne and Clock Frequency Synthesizer set . OHFS-SRT Space Radio Telescope On-board Hydrogen Frequency Standard . ORFS-SRT Space Radio Telescope On-board Rubidium Frequency Standard Service Module, . ... SRT Space Radio Telescope (all scientific payload including 10-m dish) . ...
... This applet generates an observing list based on an observer's location and time. ... To use this program, enter in your location, and the local times at which you wish to begin and end observing. The date you enter should correspond to the calendar day at the time at which you begin observing. For example, if you wish to observe from 9:37 PM October 23, 2007 until 3:21 AM October 24, 2007, you would enter 21:37 for the starting time, 03:21 for the finish time, and 10/23/2007 for the date. ...
... Обнаружение метана в атмосфере Марса . ... Мы сообщаем об обнаружении метана в марсианской атмосфере с помощью Планетарного Фурье-Спектрометра на борту аппарата ?Марс Экспресс?. ... Структура атмосферы и метеоданные похожи на наблюдавшиеся посадочным модулем Викинга-1 21 год назад на такой же широте, высоте и в такое же время года, но имелись различия, связанные с суточными эффектами и свойствами поверхности в месте посадки. ... Марсианское время" - общественный научно-популярный журнал о Марсе. ...
... РЕШЕНИЕ ЗАДАЧ СФЕРИЧЕСКОЙ АСТРОНОМИИ . ... Вычисление точных топоцентрических эфемерид планет . ... В качестве примера в нем приведены исходные данные сервера для расчета эфемерид Марса. Ниже списка располагаются четыре кнопки для модификации исходных данных. ... Через некоторое время, которое в основном определяется скоростью передачи данных по сети, на экране появиться большая таблица рассчитанных значений параметров, снабженных многочисленными комментариями. ...
About us . ... Telescopes . ... Apart from the 6-meter telescope BTA two small telescopes are operative at SAO: the 1-m and 0.6-m telescopes, both manufactured by Carl Zeiss, Jena, are located near the BTA. ... These telescopes are used for adjusting the equipment and techniques of observations used at the BTA. ... The observational time allocation and also a brief description of the equipment of the 1-m telescope, which is used either permanently or mainly on this telescope, are presented below. ...
... Most of UNIVERSAT-2009 participants will need a visa when entering the Russian Federation. ... Please take into account that the Organizing Committee needs about two months to provide this Official Invitation Letter and you will need about one month to apply for visa. For those who need the invitation letters confirming their participation in the UNIVERSAT-2009 meeting for other purposes (like funding or booking) the letters of such kind will be easily issued on the request. ...
Dear Colleagues, As you know, JENAM-2007 will take place in Yerevan, Armenia. ... JENAM-2007 will consist of 6 Plenary sessions (invited reviews on hot topics of modern astrophysics, 8 EAS Symposia, and 7 Special Sessions (SPS). ... The opening and closing sessions, EAS symposia and special sessions will be organized in the conference halls and auditoria of the Yerevan State University (YSU). ... The proceedings of the JENAM-2007 will be published in the EAS proceedings series in 2008. ...
... LP-Moon.pdf - 26KB . ... A. A. Berezhnoy1,2, N. Hasebe1, M. Kobayashi1, G. Michael3 and N. Yamashita1 1Advanced Research Institute for Science and Engineering, Waseda University, Tokyo, Japan 2Sternberg Astronomical Institute, Moscow, Russia 3German Aerospace Center, Institute for planetary research, Berlin, Germany . Brown University - Vernadsky Institute Microsymposium 40, 2004, Moscow, Russia . ... 3Now at: Sternberg Astronomical Institute, Moscow University, Moscow, Russia . ...
Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Rockets . ... Once upon a time in the sixties, a Blue Streak is prepared for test (Image Credit:BROHP) . ... Blue Streak was a Cold War era experimental British missile , later it became the vital first stage of the first European space launcher. ... Why was it called Blue Streak? ... Instead Blue Streak would be a vital element of the British space programme (an idea which was pursued with deadly seriousness at the time). ...
... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...
. Please use the reference to MASTER DataBase as Lipunov et al., 2010, MASTER Robotic Net, Advances in Astronomy, vol. 2010, pp. 1-7 . - days . MASTER , 2002-2016
Радар на зонде Mars Express начал сбор информации . 8 августа 2005 г . Европейский зонд Mars Express работает на орбите Марса с января 2004 г., но имеющийся на его борту радар MARSIS (Mars Advanced Radar for Subsurface and Ionospheric Sounding), который предназначен для исследования подповерхностного слоя Марса, ввели в строй только сейчас. ... Радар включали только на том участке орбиты зонда Mars Express, где он ниже всего пролетал над поверхностью Марса. ... Планета Марс . ...