... Hierarchy and stability 3. Stability criteria for triple systems 4. ... The results for selected systems with weak hierarchy (physical properties of components) System HD 40887 AB+CD HD 76644 AB+CD HD 217675 AB+CD HD 222326 A?+BC HD 284419 A+BC Spectral types K5V, M0V, K4V, ?? ... More accurate results for selected systems HD 217675/6 ( And) Quadruple system More accurate results for selected systems HD 217675/6 Pair B1B 2 More accurate results for selected systems HD 217675/6 (Zhuchkov et al. ...

Магазин . ... Старейший магазин телескопов в России . ... Корзина 0 0 Р . ... Телескопы Celestron . ... Добавить в избранное . ... 49 990 Р . ... Мы рады приветствовать Вас в нашем специализированном магазине телескопов и других астрономических товаров. ... Интерес к звездам, к созерцанию неба, обычно приводит человека к желанию купить телескоп, который позволит ему увидеть своими глазами все далекие сокровища космоса, так красочно описываемые в книгах. ... Copyright TELESCOPE.RU, 2016. ...

Introduction The suggested invention relates to attitude control system of a spacecraft. ... Systems without interaction with ambient (Systems with jet engines) Here, for instance, we can put systems, which can generate torque because of jettisoning any particles or gas. ... The main element of the suggested attitude control system is an electrical motor, which main feature is absents of a stator. ... 3 Block diagram of an attitude control system on a jet engines base. ... It is a system with| | ...

The direct detection of gravitational waves is one of those events long-expected by physicists that are nevertheless a significant occurrence which excites the world scientific community as if something unexpected has happened. ... Many rumors leaked ahead of the conference, and the fact that something (that is, a signal corresponding to gravitational waves) was discovered by LIGO (Laser Interferometer Gravitational-Wave Observatory) was discussed on the sidelines. ... arXiv:1602.03868 . ...

. N orilsk N eutron M onitor . Cosmic rays variation . Atmospheric pressure . Year . Month . Day . Hour . Minute . From . To . Resolution . Type of Data . 1 year 1 month 27 days 1 day 12 hours 6 hours 1 hour 15 min 10 min 5 min 1 min . Corrected for Pressure Atmospheric Pressure Uncorrected for Pressure . Data are also available by FTP . All Data for all Station are available by FTP . Links . Irkutsk .

... Free image alignment/stacking/processing Software . My lunar drawings . ... REAL TELESCOPES . ... Download Pocket-Aberrator . ... The Aberrator is freeware that generates star-testing images to show the effects of aberrations (distortions) influencing the quality of a telescopes performance. ... The idea to make a program like the Aberrator I got after studying many internet-sites on star-testing and often the effects of certain aberrations were only available as literal descriptions. ...

Wednesday, August 22nd, 2012 . GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer)? (http://eros NULL .usgs NULL .gov/#/Find_Data/Products_and_Data_Available/gtopo30_info) . ... You are currently browsing the Лаборатория лазерной интерферометрии blog archives for August, 2012. ... Наши публикации . ... Публикации за 2010 . Публикации за 2011 . ... Лаборатория лазерной интерферометрии is proudly powered by WordPress . ...

... Киевский клуб любителей астрономии "Астрополис" > . ... Астрономия и общество > . Укра?нська верс?я м?н?-сайту ESO . ... Астрономия . ... Бердянское общество любителей астрономии "ОРИОН" . ... Одесское общество любителей астрономии ?АСТРОДЕС? ... М?н?-сайт ESO . ... 19 Март 2011, 10:03:37 ? Мова йде про укра?нську верс?ю м?н?-сайту ESO http://www.eso.org/public/ukraine.html . ... Ответ #1 : 19 Март 2011, 10:05:28 ? ... Укра?нська верс?я м?н?-сайту ESO http://www.eso.org/public/ukraine.html . ...

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... Imaging GRIN Rod Lens (HAG's) | Relay Rod Lens (LAG's) | ... The Refractive Index Distributions (RID) in GRIN lens preforms are made by multi-stage optimized ion-exchange diffusion between silicate mineral glasses and salt melts. ... In the LAG lenses - L ow A perture GRIN the nature of the changing of refractive index in glass via ion-exchange lies mainly in molecular volume increase. ... LAG lenses are specially treated to create the dark anti-flick surface coating (Fig.2). ...

... Julian Date Flux Densities (mJy) Julian Date Flux Densities (mJy) 2440000:0 A1 A2 B C 2440000:0 A1 A2 B C 8930.9968 153.8 134.6 59.8 22.6 9021.6846 154.0 137.0 59.0 22.9 8939.7717 163.7 146.0 66.1 22.9 9024.6766 151.4 134.6 58.4 22.1 8940.8936 153.2 135.8 59.2 22.6 9030.5334 156.7 139.1 59.0 22.4 8944.7380 161.7 142.2 63.7 23.1 9032.6650 151.8 136.5 57.7 22.6 8951.8637 148.4 131.3 58.3 21.7 9036.7067 155.1 137.1 58.8 ...

... 000, 1­12 (2009) Printed 11 February 2010 A (MN L TEX style file v2.2) Analytical approximations of K -corrections in optical and near-infrared bands I1gor V. Chilingarian1 2 ,2,3 , Anne-Laure Melchior 1,4 and Ivan Yu. ... Received 2010 February 01; in original form 2009 August 14 ABSTRACT To compare photometric properties of galaxies at different redshifts, the fluxes need to be corrected for the changes of effective rest-frame wavelengths of filter bandpasses, called K -corrections. ... Table 1. ...

... Fifteen years ago, on February 20, 1986 the launching of the Core Block marked the beginning of the Mir Orbital Station construction. Currently the Mir Station consists of 6 modules. ... The Mir Station total mass is near 130 tons. ... For sinking unburned Mir Station fragments after reentering atmosphere a Southern Pacific Ocean area limited by the following point coordinates: 53 њ S, 175 њ W; 23 њ S, 175 њ W; 23 њ S, 132 њ W; 30 њ S, 127 њ W; 30 њ S, 90 њ W; 53 њ S, 90 њ W is choosen. ...

... 23 Algorithm fo r evalua tion of two burn maneuv ers using linearity Input information: ( t t E1 , rEI , v t1L , t E2 2L ( ) EI )T )T ­ ­ ­ ­ the time and the state vector of initial orbit for this time ; interval of possible thrusts for transition from initial orbit to the transfer on e; the time and the state vector of the target orbit for this time ; ... We cal culate the state vector for the initial orbit for the time t1a and the target one ­ for the time t2 a . ...

Introduction to PLASMA ASTROPHYSICS (Selected 10 lectures) Boris V. Somov Astronomical Institute and Faculty of Physics Moscow State University Pushino-na-Oke, 2008 Contents Ab out These Lectures 1 Particles and Fields: Exact Self-Consistent Description 1.1 Liouville's theorem . . . . . . . . . . . . . . . . . . . 1.1.1 Continuity in phase space . . . . . . . . . 1.1.2 The character of particle interactions 1.1.3 The Lorentz force, gravity . . . . . . . . . 1.1.4 Collisional friction . . . . . . . . . . . .