... sin f = y / r . cos f = x / r . ... They are now viewed as new definitions of the sine and cosine, for the polar angle f given by x and y ( a slightly different way of formulating this definition is described further below ). ... sin 2 f + cos 2 f = 1 . ... Angle . ... Many trigonometry texts define the sine and cosine slightly differently, using the so-called unit circle . ... Then the distance AB ("the sine line") equals sin a , and the distance OA ("the cosine line") equals cos a . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... Monthly Sky Notes . ... March . ... By admin March 1, 2016 Posted in: March . ... Because of this, Jupiter will be brighter than it has been at any other time this year and will be visible all night long. ... There will be a New Moon in the sky on 9th March, so no moon light will flood the sky and we will be able to see many of the stars. ... A lunation or synodic month is the mean (average) time from one new moon to the next. ...

Pulkovo NEO Page . ... EPOS Software Package . ... EPOS ( E phemeris P rogram for O bjects of the S olar system) is the Windows PC application for study and ephemeris support of observations of the Solar system objects. ... It controls the part of common data and transfers the control to one of the programs that solve the restricted set of tasks. ... So with the EPOS software package one can calculate the accurate ephemerides for many objects and get the quick illustration of their motion as well. ...

... Блюдо "Lillo Glass", изготовленное из стекла светло-коричневого цвета, декорировано рисунком синих цветов и серебристых блесток. Такое блюдо сочетает в себе изысканный дизайн с максимальной функциональностью. ... Блюдо "Lillo Glass" украсит сервировку вашего стола и подчеркнет прекрасный вкус хозяина, а также станет отличным подарком. ... Definition Liner оставляет четкую линию необыкновенно насыщенного цвета. ... Цвет: разноцветный . ... Цвет: мультиколор. ... Цвет: Коричневый . ... Цвет: Белый . ...

and 42 % 27-11-1999 Andr\'as Holl % 2.31: 02-05-2001 % % Konkoly Observatory, Budapest, Hungary % Use the following documentstyle definition : % \documentstyle[twoside, ibvs2, epsf]{article} % or % \documentstyle[twoside]{article} % \input ibvs2.sty % \input epsf.sty % epsf is only needed for figures % IBVS.STY screen message \ typeout {} \ typeout {IBVS.STY Ver. 2.31 - 02-05-2001 } \ typeout {Information Bulletin on Variable Stars - Konkoly Observatory} \ ...

... Satellite data ] . SMIS ] . The program controls the data acquisition according to the specified schedule of the sessions. ... The calibration of AVHRR instrument data is performed during acquisition . The program can be started in parallel with the satellite pass visualization, that allows the user to monitor a session and store data only relevant to specific regions in manual selection mode. ... Back to SMIS Home Page . ...

Computer Ephemeris. Reduction quantities for Dynamical time. Explanations. Each row contains for the date specified at 0 h of Time Dynamical Terrestrial: . interval from date to mean epoch T m expressed in julian years, . reduction quantities A+A', B+B', C, D, (all in seconds of arc), E (in 0.0001s), A' , B' (in 0.001). The same table, but for moments, expressed in Sidereal Dynamical Time is to be found on 'Reduction. Sidereal time.' page. ...

... 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. ...