The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...

. Yu.A.Shokin . Accurate positions of variable stars in the western part of the Large Magellanic Cloud bar . (published in IBVS and SAI Proceedings ) . B.S.Vozdvijenski, N.P.Gorbatko, V.A.Yeliseev, G.V.Romanova . The results of the observations of the selected minor planets in Sternberg State Astronomical institute . (published in SAI Proceedings ) .

The telescope of Galilei was invented in 1609. Telescope (from tele ... and scope ) is an astronomic instrument for the celestial luminaries study on their electromagnetic radiation. The telescopes are divided into gamma-telescopes, X-rays and ultraviolet, optical, infrared and radiotelescopes. ... The first astronomic observations with telescopes (optical refractor) were carried by Galilei in 1609. Back . ...

... Multiexposition 34 images Sun 1/1000 sec f/22 and 1 image background. ... It shows position of the Sun on the sky in the same time of a day during one year. Analemma - a trace of the annual movement of the Sun on the sky - is well known among experts of sun-dials and old Earth's globes as a diagram of change of seasons and an equation of time. ... Previously, the position of the Sun on the sky was calculated with computer as well as optimal moments of time for taking each of the exposures. ...

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 . ...

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 . Fax: . 7(4112)390450 . ... The Yakutsk Cosmic Ray Spectrograph . ... Phone: +7(4112) 390-455 . ... Fax: +7(4112) 390-450 . ... It is for the research of cosmic rays with the energy 10 17 -10 20 eV . ... cosmic ray intensity in energy range from 10 17 -10 20 eV . ...

Общая Астрономическая Конференция > Форумы общей направленности > Любые вопросы от новичков . sky-watcher p2001eq5 . ... Регистрация . ... Поиск . Сообщения за день . ... Original . ... Отправить личное сообщение для Original . Найти еще сообщения от Original . ... Созвездия (поиск и описание) .. Созвездия южного неба (поиск и описание) .. Осенние созвездия (поиск и описание) .. Летние созвездия (поиск и описание) .. Околополюсные созвездия (поиск и описание) .. ...

Journal of Atmospheric and Solar-Terrestrial Physics Manuscript Draft Manuscript Number: ATP1021 Title: comment on the paper by Dalin , Pertsev and Romejko Significance of lunar impact on noctilucent clouds ( revised version) Article Type: Research Paper Section/Category: Keywords: Noctilucent clouds moon influence mesosphere Manuscript Region of Origin: Abstract: a critical review of the paper by Dalin , ... Reference: Dalin, P.A., N.N. Pertsev, V.A. Romejko. ...

A STUDY OF THE FRAGMENT DISPERSAL AND TRAJECTORY OF THE SAYH AL UHAYMIR 001 METEORITE SHOWER. ... We obtained hundreds of GPS find locations, analyzed the fragment distribution, and developed a model of the meteorite's trajectory. ... More than 2670 samples weighing more than 450 kg have been collected. ... Increasing fragment mass along track indicated a flight direction of 233o. The fragments' mass distribution was used to model the meteorite trajectory. ...

... 8 AAAP Meeting The Space Elevator is coming to Princeton! ... Program Chair Michele Novatski has invited Michael J. Laine of the LiftPort Group, Bremerton, WA, (http://liftport.com), who will present "Space Elevator- Countdown to 2018". ... To bring this vision to Winter Observing. ... For me, CCD astronomy is the way to go. life requires commitment and work by the members. ... Swift has successfully begun its mission to study gamma-ray bursts and identify their origins. ...

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The low aspect ratio, or spherical tokamak Globus-M [1] has recently been built in a support of international spherical tokamak plasma investigation program. ... The survey to determine the work scope in diagnostic design for Globus-M is given in the paper. ... The next one is an advanced diagnostic set intended to supply the data on basic plasma parameters: electron temperature and density profiles, ion temperature, plasma composition, radiation profile, Zeffective. ... Magnetic Diagnostics. ...

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... Астрофорум - астрономический портал ? ... Астрономические наблюдения (Модераторы: LeMay , Александр Репной , Грудцын Алексей ) ? Сверхновая в М51 . ... Сообщений: 1 383 . Рейтинг: +14/-6 . Ответ #20 : 03.07.2005 [08:51:31] ? Сегодня ночью наблюдал кометы, а заодно отнаблдюдал и эту сверхновую. ... I managed to capture the supernova in M51. ... Записан . ... Сообщений: 3 331 . ... Хоть сверхновая в М51 разгорелась неделю назад, погода и обстоятельства позволили снять ее только сейчас. ...

Moscow Astronomical Plate Archives: . Contents, Digitization, Current and Possible Applications . ... We describe the astronomical plate archives in Moscow and Zvenigorod and the existing digitization projects. ... 2 The Plate Archive of the Sternberg Institute . The contents of the most important Moscow astronomical plate archive, that of the Sternberg Astronomical Institute, was briefly presented in Shugarov et al. [1] in 1999. ... THE MOSCOW PLATE COLLECTION (STERNBERG INSTITUTE) . ...

... Shematovich, V.I . ... Shematovich, V. I. ; Bisikalo, D. V.; Marov , M. Ya . ... Shematovich, V.I., Bisikalo, D.V., and Gerard J.-C. Superthermal particles in the planetary atmosphere. ... Shematovich, V.I., Bisikalo, D.V., and Gerard, J.-C. The thermospheric odd nitrogen photochemistry : role of non-thermal N(4S) atoms (abstract) . ... Geophys ., ... Gerard, J.C., Shematovich, V.I., and Bisikalo, D.V. Effect of hot N( 4S) atoms on the NO solar cycle variation in the lower thermosphere (abstract) . ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Phase range for plots: -0.5 to 1.0 0.0 to 2.0 0.0 to 1.0 . ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... Two period search methods are currently implemented. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . ...