. Main mirror diameter . 6 m . Focal length . 24 m . Light collecting area . 26 sq.m . Wavelength range . 0.3 - 10 mkm . Angular resolution . 0.6 arcsec . - with the application of speckle . interferometry techniques . 0.02 arcsec . Mass of the main mirror . 42 tons . Total telescope mass . 850 tons . Telescope height . 42 m . Dome height . 53 m . Limiting stellar magnitude (1994) . 26 . The Observatory also has a 1-m and a 0.6-m telescope manufactured by "Karl-Zeiss-Jena" (Germany).

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• About RATAN
• Cadmium Tungstate (CdWO4)
• Sodium-bismuth tungstate NaBi(WO4)2

... 2001 March 4 . TT Cygni: Carbon Star . ... This false-color picture of TT Cyg was made using a coordinated array of millimeter wavelength radio telescopes and shows radio emission from carbon monoxide (CO) molecules in the surrounding gas. ... Carbon stars lose a significant fraction of their total mass in the form of a stellar wind which ultimately enriches the interstellar gas - the source of material for future generations of stars . ... About APOD | ...

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• APOD: September 24, 1999 - Cometary Globules In Orion
• APOD: December 18, 1998 - TT Cygni: Carbon Star
• APOD: December 16, 1999 - Supernova Remnant In M82

... Specialists from the TESIS Control Centre, at the FIAN Laboratory of Solar X-ray Astronomy, have succeeded in fixing a malfunction in one of the observatory's central telescopes, which occurred in the second half of May. ... The main version of events pointed to a malfunction in the drive mechanism's reducer, which is responsible for the rotational power from the main shaft of the motor to its output shaft, which is connected to the shutter. ... The TESIS observatory ї TESIS: www.tesis.lebedev.ru . ...

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• Publications

The results of a search for ultrarapid variability of galactic water maser sources at the wavelength 1.35 cm on a timescale of several minutes to 1 h are reported. A special observational technique was developed. ... Among those, several sources that have shown such variability were found. ... Clear evidence for such a variability type was found in at least two sources: W49N and W33B. Variability of this kind displays itself only in certain states of the water masers. ...

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Ultraviolet data (DUV) . ... The section "Original data" contains original information in analogue-digital and digital- analogue codes. The section "Data for analysis" contains pre-processed data for further analysis. Tatiana" program can be used for graph presentation of the experimental data, and "Orbitron" program - for geographical control of the data. Manual on how to use the programs and the data is in the HELP-file. ... Original data . Data for analysis . Tatiana program . ...

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RTT150 . ... The primary mirror 1 reflects light to the secondary mirror 2 which collects it on the focal surface of system with the linear field of 30 mm diameter. Focal length, mm . ... Linear field of view, mm . ... Angular field of view . ... Concentration of light energy at 632.8 nm wavelength . on the optical axis within the circles of diameter: . 0.036 mm, %, at least . ... 0.060 mm, %, at least . ...

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Estimations of dome seeng by results of optics quality tests with Shack-Hartman wavefront sensor. ... Measurements on AZT-22 Telescope diameter: 1000 mm F/7.7 Effective subaperture: 37.5 mm Exposure time: 100 ms Time between exposures: 5 s Individual image with tilts in X direction AZT-22 tower The spatial spectrum evolution (top) and wind direction in measurements processes . AZT-22. ... ZTSH dome Zeiss-1000 dome The spatial spectrum evolution (up) end wind direction through time. ...

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... Submitted by Al Takeda on 11/06/2013 09:00:23 . Nova Delphinus 2013 (Nova Del 2013) - Dimming . This classical nova is getting dimmer. ... Notice that the star has turned to a reddish color. The energy from the nova is being absorbed by the surrounding material and is being re-emitted in the Hydrogen-alpha wavelength. This energy is also being spread out over a larger area and it is causing a temperature drop. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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... Long-wavelength perturbations of a Friedmann world and anisotropy of the relict radiation . ... Observational data on a rather limited region of space (within the limits of the so-called observer's horizon) attest to a high degree of homogeneity and isotropy in the large-scale structure of the universe. ... Use: Authors Title Abstract Text Text Query with Keywords Return: Query Results Query Form Database: Astronomy Instrumentation Physics and Geophysics ABSTRACT QUERY USER FEEDBACK HELP ...

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• Seminars
• Why do Radiopulsars not Usually Form Pairs with Normal Stars?

... Информация Руководство и преподаватели Дегтярев Сергей Александрович . ... Публикации . ... 2015. ... Устинов А.В., Дегтярев С.А. , Хонина С.Н. Дифракция на аксиконе с учетом нескольких внутренних отражений // Компьютерная оптика. ... Козлова Е.С. , Котляр В.В. , Дегтярев С.А. Modeling the resonance focusing of a picosecond laser pulse using a dielectric microcylinder // Journal of the Optical Society of America B. 2015. ... 2012. ... 846) 335-18-26 Факс: (846) 335-18-36 . ... Тел.: (846) 267-44-99 ...

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• Paranin Vyacheslav Dmitrievich

... Cheers, -Mike Data Providers (e.g., data centers, archives) Provider Name: NOAO Collection: High Resolution Atlas of Arcturus Spectra - 0.92-5.36 microns Characteristics: 310 ASCII tables of wavenumber vs flux Storage Format: Text tables Available online: ftp://ftp.noao.edu/catalogs/arcturusatlas/ir Comments: Tables contain three flux values (arcturus spectrum, telluric spectrum and ratio) for both summer and winter observations. ... Linelists also available as text table ...

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• КАРТОТЕКА ПУБЛ?КАЦ?Й СП?ВРОБ?ТНИК?В ГАО НАН УКРА?НИ

... OH, = 18 cm Nancay Radio Telescope, OH 18-cm line observations , since 1969 F, Jy 6 4 2 0 0 -1 -2 0 -1 -2 0 -2 -4 -6 30 40 50 1612 MHz I HU Pup August 5, 2009 1665 MHz 4 2 0 0.5 0.0 - 0.5 -1.0 -1.5 1.0 0.5 0.0 - 0.5 4 3 2 1 0 -1 1667 MHz I I 1.0 0.5 0.0 0.5 0.0 22-meter telescope, Pushchino Radio Astronomy Observatory H2O F, Jy 1.0 0.5 0.0 0.4 0.2 0.0 -0.2 -0.4 0.4 0.2 0.0 -0.2 -0.4 -0.6 0.6 0.4 0.2 0.0 -0.2 -0.4 -70 -60 -50 -40 -30 -20 -10 0 Mira-type star R Leo. ...

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... 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 . ...

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• VISTA ETC - Exposure Time Calculator

... Тип: совковая ; . ... Совковые . ... Falling into Infinity (Падая в бесконечность) - четвертый студийный альбом американской прогрессив-метал-группы Dream Theater, вышедший 23 сентября 1997 года на лейбле East West. ...

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• Кроссовки Reima - Reima - Reima Marmaluzi Пюре овощи со свеклой и языком с 9
• Фоторамка Image Art 6047/3-4G - Image Art - Image Art 6047/3-4G Платье
• Туфли Baldinini - Baldinini - Baldinini Футболка Persona by Marina Rinaldi

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Radio telescope 's beam General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Radio telescope's beam . ...

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... Peter J.K. "Jeff" Wisoff (Ph.D) . NASA Astronaut (former) . ... A veteran of four space flights, STS-57 in 1993, STS-68 in 1994, STS-81 in 1997 and STS-92 in 2000, Dr. Wisoff has logged a total of 42 days, 56 hours, 1 minute and 48 seconds in space, including , 19 hours and 53 minutes of EVA time in three space walks. ... Following 183 orbits of the Earth in 269 hours and 46 minutes, the eleven-day mission ended with Space Shuttle Endeavour landing at Edwards Air Force Base, California. ...

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... Epistemology is a part of the study of Philosophy dealing with how we use our senses to know something about the world. ... Yet we know that we can be deceived by our senses. ... If we cannot always trust our senses, how can we ever know anything for certain about the world? ... A branch of epistemology that has come into vogue in the last 10-15 years is the problem of consciousness. ... What relationship is there between our conscious experience and the true nature of the physical world? ...

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... astro-ph . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . ... Quasar Variability in the Framework of Poissonian Models . ... It is shown that in this very general framework the well established anti-correlation between variability amplitude and wavelength can only be understood as an effect of an underlying spectral component which remains stable on long time-scales, and is redder than the variable component. ...

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General Forum Message . ... The END Of The DARK ENERGY . ... THE DECREASING UNIVERSE AND THE END OF THE DARK ENERGY . ... The dark energy is a УAd-HocФ hypothesis postulated with the only purpose of explaining the apparent fast separation of distant galaxies. ... Light through space . ... End of the Dark Energy . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Declination Lock - an Astronomy Net Meade Equipment Forum Message
• OSLO LT V5.4 Optical Software For Layout And Optimization - an Astronomy Net
• Communications For Your Astronomy Event - an Astronomy Net Article

... 1988) MERCURY Dollfus & Auriere(1974) Veverka et al. ... Lunar Crater name Ptolemaeus Bullialdus Gassendi crater maturity Im Is/FeO 1.452 68 1.451 68 1.415 75 Mercurian wavelength dependence of Pmax and lunar data 1,6 1 1,4 3 1,2 1 5 0,8 0,6 0,4 0,2 0 2,2 2,4 2,6 2,8 3 3,2 log l, (nm) Fig. 3 log Pmax, (%) 2 4 6 Conclusions: Maturity of the soil on the Mercurian surface in scale of whole disk is similar to space weathering of the soil in large old craters on the lunar highland. ...

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• http://selena.sai.msu.ru/Bus/Publications/LPSC2001a/LPSC2001a.pdf
• http://selena.sai.msu.ru/Bus/Publications/SSR-11(Busarev).pdf
• http://selena.sai.msu.ru/Bus/Publications/SSR-05(Prok-Boch-Bus).pdf