... Basics of Group Theory Definition 1. A group G is a (finite or infinite) set of elements g1 , g2 , g3 , . ... Definition 2. ... Each element of a finite group may be represented as a power or product of powers of a certain finite number of elements cal led generators of the group. ... Point Groups Any transformation which brings a body into coincidence with itself can be decomposed into elementary transformations: 1) rotation about an axis, 2) reflection in a plane, 3) translation by some vector. ...

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... Following the world tendence of the telecomunication development we prepared the WWW homepage of the CATS (http://www.ratan.sao.ru or http://cats.sao.ru), producing all operations permitted in usual scripts. ... Concerning JAVA, the platform independent language, we suppose to use JAVA sripts both in preparion of flexible forms and in generation of the CATS graphics, including curves of energy distributions (e.g. radio spectra) and statitiscics curves of the CATS search. ...

Глобальное значение переменной (global value of variable) - некоторый терм , поставленный в соответствие общей переменной , используемой для передачи потоковых сообщений между процессами , единый для всех этих процессов . Текущему глобальному значению переменной соответствуют сорт и производитель . ...

... Average resolution at altitude H=668 km . ... Swath width at H=668 km and inclination of beginning of swath 20.48 degrees . ... Resolution at H=668 км . ... Наименование параметра . ... 1 канале . ... Полоса обзора при H=668 км . ... 1-5 спектральной зоне, не более . ... 1 спектральной зоне . 0,48-0,52 мкм . ... 0,915-0,997 мкм . ... 1-4 канал . ... 1-4 каналов . ... Спектральные характеристики каналов (по уровню 0,5): . ... For more information send a mail to: info@sputnik.infospace.ru . ...

This page will contain definitions (and basic references) of the following parameters: . cross-sections C ext , C sca , C abs , C bk ; . efficiencies Q ext , Q sca , Q abs , Q bk ; . ... TE/TM mode definitions for arbitrary shapes. Note that some parameters are defined in a quite different (specific) manner than for spherical scatterers, and some definitions in the book of Mishchenko et al. ...

Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Space Flight . ... Some 13.7 billion years ago, a mere millionth of a second after the Big Bang, the first hydrogen and helium nuclei condensed out of a hot, dense soup of quarks and gluons. ... In the very last few kilometres some of the light was scattered by a myriad of water droplets (containing hydrogen nuclei which had existed almost since the Big Bang) slowly descending through the air following a rainshower. ...

Astronomy Picture of the Day . ... 21.10.1999 . ... Credit Copyright: Louis Strous ( LMSAL ), SOHO - MDI Consortium, ESA , NASA Explanation: The Sun rotates on its axis about once every 27 days. ... Just follow the sunspots . ... It shows the Sun's visible surface for most days of August 1999 so that the same sunspots appear many times as the solar rotation carries them across the face of the Sun . ... October 1999 . ... 1999 2000 . ... Publications with keywords: Sun - solar rotation - sunspot . ...

... LINKS . ... 0 total, enter for more, latest pics follow . AAL Activities . ... 105 total, enter for more, latest pics follow . ... Internet Time: @850 . ... INTELLIGENT-IP Internet Services . SOME LINKS . ... more links.. ... The AAL is not responsible for the content of external internet sites! ... Coordination & Astronomical Content by: J. Steinberg ...

... We suggest simple method of the selection of distant galaxies based on their radio properties. ... RC0015+0503a , RC0015+0503b , RC0015+0501 , RC0034+0513 , RC0038+0449 , RC0042+0504 . ... RC0105+0501 , RC0110+0500 , RC0117+0503 , RC0126+0502 , RC0133+0459 , RC0135+0450 , RC0137+0539 , RC0143+0505 , RC0152+0453 , RC0154+0459 , RC0159+0448 . ... RC0209+0501b , RC0213+0516 , RC0226+0512 , RC0250+0512 . ... RC0302+0456 , RC0308+0454 , RC0311+0507 , RC0318+0456 , RC0355+0449 . ...

... Supports Intel's x_86 32 & 64 bit processors and ARM 11xx processors. ... User usually has to adapt an udev rules file only. ... If you use Debian/Ubuntu distributions it can be done by command: sudo apt-get install libusb-1.0-0-dev If user plans to use out simple, command line test application (testapp), he/she should also install the cfitsio FITS library because this application stores the CCD images in such a file format. ... If you use SBIG's CCD cameras (ST-7,8,9,.. ...

ATMoB Network Acceptable Use Policy Created 6/1/2005 The Amateur Telescope Makers of Boston, Incorporated provides this network terminals for its members. ... Users must respect the privacy of others. ... The Services may not be used in a manner that precludes or significantly hampers network access by others. ... Where the network or devices are being used to access another network, any abuse of the acceptable use policy of that network will be regarded as unacceptable use of our network. ...

... Section (M?1) gave you the principles of simple algebra. ... 1) Isolate x in each equation and find its value, following the . rule that "when equal operations are performed on both . ... For operations applied to both sides: (+2) add 2 . ... 15x ? ... Solve once by (a) expressing y of one equation in terms of x, then . ... You may furthermore add one equation to the other, or subtract it: because the quantities you add or subtract to both sides are equal, what is left is also a valid equality. ...

НАУЧНО-ПРОИЗВОДСТВЕННОЕ ОБЪЕДИНЕНИЕ им. С.А. ЛАВОЧКИНА . ... ЭкзоМарс 2016 . ... Социальные проекты . ... Проекты . ... ФГУП 'НПО им. С.А. Лавочкина' - крупное конструкторское и научно-производственное предприятие, проводящее работы по проектированию, изготовлению, испытанию и комплексной отработке ключевых автоматических космических аппаратов для фундаментальных научных исследований. ... Новости Проекты . ... 2016, ФГУП "НПО им. С.А. Лавочкина" - все права защищены ? ...

... Tonight's Sky . ... The Magazine . ... Observing . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Follow an urban deep-sky catalog . ... Our т??Holmes Catalogт?? to date, although not definitive, shows how much deep-sky astronomy is possible from city centers. Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ... Astronomy Magazine . ...

SAI VO . ... SAI CAS . ... Web Services . Catalog Access Services . ... SAI CAS Wiki . ... DSS Mirror . Astronomical Thesaurus . ... Under Agreement between the AstroNet project, Sternberg Astronomical Institute, Moscow University Russia AND the Association of Universities for Research in Astronomy , operating the Space Telescope Science Institute , we provide a local copy of Digitized Sky Survey , along with a set of services to access it both interactively and programmatically. ... SAI MSU | ...

Astronomy Department was found in Kyiv University in 1834 together with other twelve departments of the Faculty of Philosophy. ... At that time V.Struve was a World famous astronom, and helped V.Fedorov in creation of Kyiv University Astronomical Observatory. ... M.Khandrikov successfuly modernized the Observatory. ... Researches of the history of Kyiv Observatory say about an important contribution into development of orbits theory made by the famous Kyiv astronoms I.Illinsky and I.Putilin. ...

... MASTER Net is 56 square degrees per 1 exposition . ... 06 Dec 2015: GRB 151205B: MASTER-NET early optical observations GCN18665 . ... 18 Nov 2015: GRB 151118A: MASTER-NET optical observations GCN18613 . ... 12 Nov 2015: GRB 151112A: MASTER-NET optical limit GCN18591 . ... 07 Nov 2015: GRB 151107A: MASTER-NET optical observations GCN18565 . ... 31 Oct 2015: Five OTs detected by Global Robotic MASTER Net ATel8232 . ... 02 Oct 2015: GRB 151001B: MASTER-NET early optical observations GCN18380 . ...

On the minimization properties of the Tisserand systems Alberto 1 1 Escapa Д , Tomas B 1 aenas Д , Jose Manuel Ferr 1 Д andiz , & Juan Get 2 ino Dept. ... Hence, for an arbitrar y vector different from 0, we have 1 (6) Tdef + = Tdef ( ) - L + I + I . ... 2 Since the matrix of iner tia is definite positive, we have that (7) doing so, the rotation of the par ticles is identified with the rotation of the body axes with respect to some iner tial, or quasi- iner tial, reference system OX Y Z . ...