... In the table given at a separate sheet enumerate in growing order (from 1 to 13) the size and the mass of each object: Milky Way Galaxy, Andromeda Galaxy, Neutron star, Electron, Mercury, The first satellite "Sputnik I", Venus, Pluto, Proton, Red dwarf, Black cat, White (Polar) bear, the Sun. ... Star setting. ... Comet Lovejoy. ... Radio- (operating wavelength is about 21 cm) and optical (operating in the light visible to the naked eye) telescopes have been used to study an astrophysical object. ...

... Женская куртка из натуральной кожи . ... Бренд: Samsung, Тип: часы, Совместимость: взаимодействие с Android, Особенности: мониторинг физической активности . ... Кабель соединительный 1.5м Hama Cinch Digital RCA (M) - RCA (M) позолоченные контакты черный 122266 - HAMA - HAMA . ...

... 9) Oknyanskij V.L. 1994, "Optical-radio time delays in Q0957+561", Odessa Astronomical Publ., ... 11) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", in Proceedings of Int. Conf. ... 1994. 12) Oknyanskij V.L. 1994, "Connection between X-ray and optical variability in NGC4151", Astrophys. and Space Science, 222, p.157. ... 14) Oknyanskij V.L., van Groningen E., 1997, "Optical spectral variability of NGC4151 in 1990", Astronomical and Astrophys. ...

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Decomposition of Galaxy Images and Galaxy Rotation Curves Mosenkov A.V.*^, Savchenko S.S.*, Sotnikova N.Ya.* ... The DECA (DEComposition Analysis) code is designed to investigate images of galaxies in an automatic regime (using the simple 'bulge+disc' model) as well as in manual mode for more detailed images and/or for multicomponent structures. ... The GRCF package was created for performing the galaxies rotation curve decomposition using the models of the bulge, the disc, and the dark halo. ...

... Meade Instruments Corporation . ... Autostar Computer Controllers . 497 Autostar . ... One of the most important advances in telescope control in the past 25 years, the Meade #497 Autostar Computer Controller turns the ETX into an automatic celestial object locating system. ... The #497 Autostar Computer Controller plugs into the control panel of ETX-90EC, ETX-105EC, and ETX-125EC telescopes and enables automatic location of more than 30,000 celestial objects. ... about meade | ... Meade 4M | ...

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

... Анк а дня . ... Пояснение: Величественные закручивающиеся спиральные рукава очаровывают рассматривающих это изображение NGC 7424 ? ... Находящаяся на расстоянии около 40 миллионов световых лет в созвездии Журавль , эта островная вселенная имеет диаметр примерно 100 тысяч световых лет, что делает ее удивительно похожей на наш Млечный Путь . ... И если массивные звезды рождаются в рукавах NGC 7424, то там же они и умирают. ... Найдены остатки первого задокументированного взрыва сверхновой . ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... Главная страница / Научная работа / Research and service to community . ... Partial differential equations, optimization, dynamical systems, probability theory, statistical physics, numerical methods. ... Euler's Equations: 250 Year On (2007) . ... Referee for AMS Contemporary Mathematics conference proceedings, Differential Equations (Russia), Linear Algebra and Applications , Mathematical Physics Electronic Journal , Moscow Mathematical Journal , Physica D , SIAM Journal on Mathematical Analysis ....

... Main . ... April 2016 . ... December 2015 . November 2015 . October 2015 . September 2015 . August 2015 . July 2015 . June 2015 . May 2015 . April 2015 . March 2015 . February 2015 . January 2015 . December 2014 . November 2014 . October 2014 . September 2014 . August 2014 . July 2014 . June 2014 . May 2014 . April 2014 . March 2014 . ... December 2013 . ... April 2013 . ... December 2012 . ... April 2012 . ...

... In this context, a very promising new tool is represented by the ultra-long period (ULP) Cepheids (P \geq 80 days), recently identified in star-forming galaxies. ... Abridged] We present the first direct comparison of the distribution of the gas, as traced by the [OI] 6300 AA emission, and the dust, as traced by the 10 micron emission, in the protoplanetary disk around three intermediate-mass stars: HD 101412, HD 135344 B and HD 179218. ... Star formation in young star cluster NGC 1893 . ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

... PUL2 catalog contains original absolute proper motions of 59646 stars in 149 fields with galaxies. ... Mean errors of relative proper motions in PUL2 catalog is 5.5 mas/year. ... The external mean error of one relative proper motion of a bright star of PUL2 catalog is 9 mas/year for both of coordinates. ... After issue of UCAC2 catalog, we decided to improve accuracy of proper motions, using Pul-3 coordinates (of 1950s) as the first epoch, and UCAC2 coordinates as the second epoch. ...

NIST Special Publication 500-223 . A Framework for the Development and Assurance of High Integrity Software . ... The purpose of this document is to recommend a framework for the development and assurance of high integrity software. ... High integrity software, project management, software assurance, software configuration management, software development, software hazard analysis, software quality assurance, software verification and validation. ... 2 SOFTWARE DEVELOPMENT . ...

... About meteorites . ... Meteoritic data . Impact Crater Smerdyachee . ... Based on Smerdyachee's depth, near circularity, and its mounded wall, and analysis by N.A. Fillin of nearby Roshal, Russia, the Estonian scientists Yu.V. Krestlane and K.H. Mella proposed in 1987 that Smerdyachee Lake is a meteorite crater. ... In 2002, the Laboratory of Meteoritics of the Vernadsky Institute of Geochemistry and Analytical Chemistry of the Russian Academy of Sciences explored this mysterious lake. ...

... Главная страница / Галактики / NGC 253, Sculptor galaxy . ... Случайная фотография . ... NGC 253, Sculptor galaxy . ... Размер фотографии: . ... У этой фотографии нет комментариев. Предыдущая фотография: . ... Следующая фотография: . NGC 660 . Все права на размещенные в галерее фотографии принадлежат их авторам. Запрещается использование фотографий без разрешения автора. ... Киевский клуб любителей астрономии "Астрополис" . Движок галереи: 4images 1.7 ...

... Theis, 2006, Monthly Notices of the Royal Astronomical Society, 373, 197-208: "Boltzmann moment equation approach for the numerical study of anisotropic stellar disks". ... Shchekinov, 2006, New Astronomy, 11, 240-255: "Radial transport of dust in spiral galaxies". ... E. I. Vorobyov & Shantanu Basu , 2005, Monthly Notices of the Royal Astronomical Society, 363, 1361-1368 : "The effect of non-isothermality on the gravitational collapse of spherical clouds and the evolution of protostellar accretion"...

... Предисловие редактора перевода. ... Предисловие. Глава 1. ГАЛАКТИКИ И ВСЕЛЕННАЯ. ... Типы галактик. ... Почему галактики разные. ... СТРУКТУРА ГАЛАКТИК. Как построить эллиптическую галактику? ... ОБРАЗОВАНИЕ И ЭВОЛЮЦИЯ ГАЛАКТИК. ... Наблюдая эволюцию галактик. ... ЗВЕЗДЫ И СКОПЛЕНИЯ. ... Функции светимости для звезд в галактиках. Спектральные типы галактик. ... Двойные галактики. ... Карликовые неправильные галактики. ... СКОПЛЕНИЯ И СВЕРХСКОПЛЕНИЯ ГАЛАКТИК. ... Типы скоплений. ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Апрель 1998 . ... This is only one of over 20 galaxy lenses now known. ... This, and other new results from the LASCO (Large Angle Spectrometric Coronagraph) instrument on board the European Space Agency/NASA spacecraft SOHO (Solar and Heliospheric Observatory), will be presented at the UK National Astronomy Meeting at the University of St Andrews by Dr Mark Lyons from the University of Birmingham. ...