... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...

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• Parameters of the Moon-perturbed orbit
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• Description of the RadioAstron project, english version

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Chirp ionosonde main technical characteristics . ... Linear frequency modulated continuous signals sounding method is relatively simple and has wide application in various special-purpose systems. ... Chirp signals which are applying for ionosphere channel diagnostics usually have10KHz/s -- 1MHz/s. We must point out that under modulation speed increasing there is an increase in noise suppression and resolution power. ...

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• East Siberian Center for the Earth's Ionosphere Research. Ionospheric parameter
• East Siberian Center for the Earth's Ionosphere Research. Specific character
• East Siberian Center for the Earth's Ionosphere Research. Modelling, secondary

... Basic Observables: Zero-differenced phase and code ionosphere-free combinations of global GNSS network stations, corrected by P1-C1 satellite code biases (cc2noncc), daily observations with 30 seconds sampling rate Sites coordinates : IGb08 reference frame coordinates and velocities Displacements: solid tides, ocean loading, pole tide loading (IERS 2010) Geometric model : Receivers antennas eccentricities, absolute receiver and ...

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• http://www.gao.spb.ru/english/as/j2014/presentations/kudryashova.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/kurdubov.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/brattseva.pdf

... Using the uvby -photometry and proper motion data for about 5500 F stars within 80 pc from the Sun, we have studied velocity ellipsoid parameters and obtained the following results. 1) The sizw of all wllipsoid semiaxes increase systematically for groups of stars with the decrease of both temperature (at constant metallicity) and metallicity (at constant temperature). ... As a result, each of the three parameters - temperature, metallicity and velocity dispersion - is an age indicator. ...

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• Vladimir Marsakov Publication List
• URSI-99 Poster on Phase Structure Function

... In one situation, we can use light from quasars to probe the material between us and them because that light may pass through one or more galaxies or gas clouds on its way to us. The gas inside the galaxies or the intergalactic clouds acts then as a filter, absorbing selected wavelengths from the quasar light. ... Light from a quasar must pass through clouds of gas and even faint galaxies -- each leaving its imprint on the light -- before we receive it here on Earth. ... Gravitational lensing . ...

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• ASP: Making a Rainbow
• ASP: Eclipse Watching: Making a Solar Filter
• ASP: Good Astronomy Activities on the WWW

... Space flight . ... Zero Gravity . ... Characteristics of a Complex Flight: . ... Characteristics of the Reduced Gravity (Lunar Gravitation): . ... Characteristics of the Reduced Gravity (Martian Gravitation): . ... Services / Zero Gravity: General description Technical description Flight parameters Photo gallery Price . ...

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CCD Forum Message . Forums: . ... CCD Tips and Techniques | Post . ... Colour Filter On A CCD . ... I was wondering if you could help me with a question I have about colour filters on CCD's: . For a CCD that is using a bayer colour filter on top of the pixel array, i have seen two different ways that this has been arranged: . ... www.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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• Day Star Filters, AstroGuide Listing
• Schuler Astro-Imaging Filters, AstroGuide Listing
• Re: Re: Filter Based On Catalogs? - an Astronomy Net XEphem Forum Message

THE PHOTOMETRIC RESEARCHS OF THE MERCURY'S SURFACE BY MEANS OF DIGITAL MODELS. ... The surface brightness of Mercury was measured Danjon (1933, 1949, 1953) and Harris (1961) in phase angle 3o-123o. The analysis of the various data of the integral photometric gives the results of determination of the main photometric constants for Mercury. ... THE PHOTOMETRIC RESEARCHS OF THE MERCURY'S SURFACE: S.G. Pugacheva The surface brightness of the Mercurian images was established on the geologic map Mercury. ...

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• http://selena.sai.msu.ru/Pug/Publications/ms42/m42_60.pdf
• http://selena.sai.msu.ru/Shev/Publications/ms38/ms084.pdf
• Svetlana G. Pugacheva

... An Orion of a Different Color . ... It is a familiar object though, the grand stellar nursery known as the Orion Nebula . But the striking picture combines images taken through three separate filters, each designed to record different emission lines - light from Sulfur, Oxygen, and Hydrogen atoms glowing in the tenuous nebular gas. At such low densities , Sulfur and Hydrogen atoms emit red colors while Oxygen glows green. ... Publications with keywords: Orion Nebula . ... The Heart Of Orion . ...

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• Астронет > An Orion of a Different Color
• XWare > APOD

... After the edit, recompile the kernel and recompile the Apache server then reboot. ... If you're running a really busy BSD Apache server, the following are useful things to do if the system is acting sluggish: . ... Maximum # of processes . ... This machine is a server that handles lots of traffic, # so we crank that value. options NMBCLUSTERS=4096 # mbuf clusters at 4096 # # Misc. options # options CHILD_MAX=512 # maximum number of child processes options OPEN_MAX=512 # maximum fds (breaks RPC svcs)...

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• Apache module mod_isapi

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

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• The NMW survey homepage

M obile A stronomical Sy stem of TE lescope- R obots MASTER-II Kislovodsk Lomonosov Moscow State University, Sternberg Astronomical Institute , Moscow Union "Optic" , Kislovodsk Solar Station Latitude = 43 o љ44'.767љN; Longitude = 42 o љ31'.417љE; Altitude = 2067љm MASTERљIIљ(8љsquareљdegress) + MASTERљVWF(VeryљWideљFieldљCameras (FOV=800 square degrees, Timeљresolutionљupљtoљ150љms, with unfiltered m_lim=14m on 5 sec. exposure, and ~10.5m with 0.15 sec) . ... 11h 38m 38.0s , -09d 59m 59s) . ...

33. S.P.Korolev RSC Energia - ECOLOGICAL MONITORING

34. http://site2010.sai.msu.ru/static/doc/Site2010-Summary.pdf

35. Radio Sources Parameters

36. Radioastrophysical Observatory ISTP RAS SB

37. Understanding HTML and MIME

38. Sensors

39. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BE6C0FE6C-F335-43EC-A971-3208E1DEDB82%7D

40. Amateur Telescope Makers of Boston