. This Directory contains Model of distribution of density, temperature and effective collision freguency of electrons. Yu.K.Chasovitin. 1998. This Directory contains The program RIM98 for calculating the parameters of the ionosphere to use the "Reference Ionospheric Model-98" (RIM-98).Yu.K.Chasovitin. 1998.

... arXiv.org . ... Here we present and analyse the properties of an updated sample of 37 ULP Cepheids observed in galaxies within a very large metallicity range of 12+log(O/H) from ~7.2 to 9.2 dex. ... The Origin of Color Gradients in Early-Type Systems and Their Compactness at High-z . ... Multiwavelength Observations of Markarian 421 in 2005 - 2006 . ... In addition to this, the well-sampled spectral energy distribution of Markarian 421 (1101+384) is presented for three different activity levels. ...

University Satellites and . Space Science Education . ... UNIVERSAT-2006 . ... 12:20-12:40 Chakrabarti S., The Role of Sounding Rocket Experiments in Space Science and Technology Education at Boston University . ... Space Researches in University Education - Heliobiology, Ecology, Atmosphere Sciences, Remote Sensing . ... Space Technology Education: Design, Development and Management of University Satellites . ... 12:00-12:20 Zhuravlev V.M., Space Physics Practice at Ulyanovsk State University . ...

Main News Phones Research area Brief history Institute Structure Experimental Base Observational data English/Russian . research on the site(Google) . ... 677980 Yakutsk, Russia . ... 7(4112)390400 . ... 7(4112)390450 . ... Complex Geophysical Station (CGS) . ... Address: Zhigansk 678830 Sakha Republic (Yakutia), Russia . ... geomagnetic field variations . ... characteristics of the ionosphere . ... set of equipment for the measurement of variations and pulsations of geomagnetic field . ...

... Space Res., 12, 265, 1992 planetary magnetic dipole: Mizutani, H., et al., ... Astrobiology, 7, 167, 2007 CME induced H+ ion pick-up loss at 0.05 AU for ` Hot Jupiters ' HD209458 b Mass loss ~1011 g/s even for weak CMEs Mmax strong magn. protection in reality Exoplanet magnetospheres - importance of magnetodisk Relatively large amount of observed Hot Jupiters (27%): survival of close-in giants indicates their efficient protection against of extreme plasma and radiation conditions ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

In the regular experiments carried out with the RAS radio telescopes at Pushchino during 1999-2002, the study of the radial dependence of scattering of compact natural radio sources was extended to remote regions of the solar plasma environment. ... The stream in the transalfvenic region displays the same typical radial structure as observed in the transonic region, i.e., the existence of a "precursor" - a narrow band of reduced scattering preceding a wide region of enhanced scattering. ...

Общая Астрономическая Конференция > Форумы общей направленности > Общий форум любителей астрономии . Как расчитывается фазовый угол космического объекта? ... Поиск . ... Кто знает, как расчитывается фазовый угол космического объекта, пожалуйста подскажите. ... Фазовой угол - угол между лучом света, падающим от Солнца на объект, и лучом, отразившимся от него в сторону наблюдателя. А) Если объект имеет форму шара (планета), то найти фазовый угол можно по тому, как планета освещена Солнцем. ...

... Contact A Problem of an estimation of accuracy of the asteroid CCD observations . The Minor Planet Center supported by the Interntional Astronomical Union is the main office for keeping observational data of the small Solar System bodies and their investigations. ... At Pulkovo Observatory we are estimating an accuracy of the CCD asteroid observations obtained by amateurs and professional astronomers all over the World using the MPC database. ...

... ---------- FileName Lrecl Records Explanations -------------------------------------------------------------------------------- catalog .dat 269 36020 Revised NLTT Catalogue and 1st Supplement Description of catalog columns (see Paper II for details): -------------------------------------------------------------------------------- Summary Information 1) NLTT number (drawn consecutively from 1 to 58,845) 2) binary component 3) RA ( 2000 ), epoch 2000 ( ...

... The versatile and efficient INVERTOSCOPE? combines the highest optical performance with unsurpassed mechanical quality, and is backed by LOMO's unique lifetime warranty, the most comprehensive in the industry. ... A 15X focusing eyepiece with two interchangeable reticles (a 10mm/100div scale and a 10mm x 10mm/400sq grid) for convenient measuring and counting. ... A set of stage inserts and extension plates to accommodate a variety of sample vessels such as Petri dishes, flasks, microtest plates, etc...

1,2 - Modifyted Richter-Slefogt Camera (355mm, 200 mm) The system was designed by V.Yu.Terebizh in 2001 (terebizh@crao.crimea.ua), and then has been made by Gennadiy Borisov . ... Very Wide Field Camera near Kislovodsk: MASTER WFC-Kislovodsk . Up to 1200 square degrees up to 13 m. Very Wide Field Camera near Moscow (40 x 60 square degree) (CCD 1392 x 1040 pix, Sony). ... This system can discover and measure satellites and space refuse parameters to within 0.1 ang.sec. precision. ...

... Une note trє¦s prєµcise, contenant des questions spєµciales, fut donc rєµdigєµe et adressєµe єђ l'Observatoire de Cambridge, dans le Massachusetts. ... L'Observatoire de Cambridge. ... л1€ђ Est-il possible d'envoyer un projectile dans la Lune? . ... л3€ђ Quelle sera la durєµe du trajet du projectile auquel aura єµtєµ imprimєµe une vitesse initiale suffisante, et, par consєµquent, єђ quel moment devra-t-on le lancer pour qu'il rencontre la Lune en un point dєµterminєµ? . ...

Затерянный мир: Плутон и Харон . ... Страница: "New Horizons" , Старт к Плутону , Около Юпитера , Плутон все ближе , Видим цель! ... Новые Горизонты около Плутона . ... В ранние утренние часы 8 июля 2015 г. ученые миссий Новые Горизонты (New Horizons) получили этот снимок поверхности Плутона. ... Вращение Плутона 29 мая - 2 июня 2015 г. NEW HORIZONS . ... И вот наконец в этом году состоится долгожданное событие. 14 июля 2015 года космический аппарат Новые горизонты пролетит около Плутона. ...

... Сегодня: 10 апреля 2016 г. 19 января с космодрома на мысе Канаверал стартовала ракета Atlas 5, которая вывела в космос исследовательский зонд New Horizons. ... Путь до Плутона займет около 10 лет. ... Если все и дальше пойдет по плану, то 14 июля 2015 г. New Horizons пролетит мимо Плутона со скоростью 50'235 км/ч на расстоянии около 8830 км от этой планеты. ... Пролетев мимо Плутона, New Horizons отправится дальше. ... Зонд New Horizons пролетит на расстоянии 8800 км от Плутона . ...

... A non-linear relationship is observed between the sky brightness on clear and overcast nights, with a change in behavior near the rural to urban landuse transition. ... The great variation in skyglow radiance observed from site-to-site and with changing meteorological conditions underlines the need for a long-term international monitoring program. he introduction of artificial light has caused an unprecedented disruption to the nighttime environment over large areas of the Earth. ... Data processing...

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