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21. Observations and data reduction
Next: IPCS observations and data Up: Spectral survey of Case Previous: The sample description . The observations were carried out with the 6m telescope of the Special Astrophysical Observatory of Russian Academy of Sciences (SAO RAS) in the period from December 1992 to October 1996. ... 1986 ]). Since January 1996 we used for registration Tektronix CCD 1024 1024 provided by Astrophysical Institute Potsdam (AIP, Germany) in the frame of mutual cooperation between AIP and SAO RAS. ...
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Ссылки http://www.sao.ru/precise/Laboratory/Publications/1997/CasePR/node3.html -- 3.9 Кб -- 10.01.1998
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22. Description of the RadioAstron project, english version
... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...
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Ссылки http://www.asc.rssi.ru/RadioAstron/description/observations_eng.htm -- 9.5 Кб -- 10.05.2008
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23. A computer controlled low light photometer for nightglow observations
A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...
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Ссылки http://space.univ.kiev.ua/~lapchuk/Photometer.htm -- 15.9 Кб -- 21.02.2000
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24. http://www.atmob.org/about/observing/awards/files/double_star_instructions_2011-02-01.pdf
ATMoB "Double Star Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston in particular, double, triple, and multiple stars. Introduction: Double, triple, and multiple stars are the "Rodney Dangerfields" of the night sky. ... W hile they can be observed under a variety of sky conditions, double stars especially close ones are best viewed on nights when the seeing is steady. ... The direction from a star to Polaris is north. ...
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Ссылки http://www.atmob.org/about/observing/awards/files/double_star_instructions_2011-02-01.pdf -- 24.3 Кб -- 21.02.2011
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25. http://lnfm1.sai.msu.ru/neb/nss/coorb/coorb_anno.doc
OBSERVATIONS OF COORBITAL SATELLITES OF SATURN Emel'yanov N., Varfolomeev M. Sternberg State Astronomical Institute, Moscow, e-mail : emelia@sai.msu.ru Institut de MИcanique CИleste et de Calcul des иphИmИrides, Paris, e-mail : emelia@imcce.fr Abstract. To improve the orbital parameters and masses of coorbital satellites of Saturn, Janus and Epimetheus, new observations of these satellites are necessary. ... IN: Saturn. ... New observations of Saturn's coorbital satellites" - Icarus. ...
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Ссылки http://lnfm1.sai.msu.ru/neb/nss/coorb/coorb_anno.doc -- 90.5 Кб -- 15.04.2007
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26. Phil Plait's Bad Astronomy: Misconceptions
... Bad Astronomy . ... Every few months, one of a series of questions comes up on the USENET group sci.astro involving tides, or the rotation of the Moon, or the recession of the Moon from the Earth. ... Why the Moon's rotation period is the same as the length of time it takes to orbit the Earth (same as number 1, but phrased differently). ... But when this happens, the time it takes for the Earth to rotate once will be slowed to exactly the same time it takes for the Moon to go around the Earth once! ...
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Ссылки http://www.badastronomy.com/bad/misc/tides.html -- 26.0 Кб -- 09.04.2016
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27. Six-Centimeter Radar Observations of 4179 Toutatis
... Old World First Asteroid Radar Echo. ... It testifies that 4179 Toutatis is a double object like asteroid 4769 Castalia. ... Interference of Radar Echo from the Binary Asteroid 4179 Toutatis. ... An analysis of the 6-cm radar data revealed quasi-harmonic oscillation of the echo’s “central” Doppler frequency with a period of about 14 sec and a deviation of about (0.7*B) Hz, where B is the echo bandwidth, which for 4179 Toutatis was equal to 2.1 Hz and 1.9 Hz for 1992 Dec 8 and 9, respectively. ...
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Ссылки http://www.cplire.ru/html/ra&sr/sr/4179-Toutatis/index.html -- 11.9 Кб -- 02.12.2002
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28. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BB42005DF-EAF2-4359-9A0D-D9987CE5310A%7D
This plot shows the projected motion of the red dwarf star Proxima Centauri (green line) over the next decade, as plotted from Hubble Space Telescope observations. ... Because Proxima Centauri is the closest star to our Sun, its angular motion across the sky is relatively fast compared to much more distant background stars. This means that in 2014 and 2016 Proxima Centauri will pass in front of two background stars that are along its path. ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BB42005DF-EAF2-4359-9A0D-D9987CE5310A%7D -- 4.6 Кб -- 10.04.2016
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- http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B55A749F1-FAE5-4EF5-A8FF-10B7A80F806F%7D
- http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B45E9FEDA-BA85-4BC6-9E20-E2EF0B096758%7D
- http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BCD7DD013-192F-4D9B-959A-9390C883A49B%7D
29. Keplere
Johann Kepler - a Legislator of the Sky. The laws of the planets movements put by Johann Kepler destroyed the thousand year old dogmas about the circles and spheres and opened the way to scientific understanding of celestial occurrences. ... The best object for observation was Mars - its orbit unlike the Earth's one has a noticeable eccentricity, the rotation period in comparison with Jupiter and Saturn is not too long and observation conditions are better than for Mercury and Venus. ...
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Ссылки http://www.space.vsi.ru/keplere.htm -- 7.0 Кб -- 14.10.2000
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30. http://hea.iki.rssi.ru/conf/hea2007/presentations/26.12.2007/02-cherepashchuk.pdf
INTEGRAL observations of SS433 : new results Anatol Cherepashchuk Sternberg Astronomical Institute, Moscow University, Russia In collaboration with: Rashid Sunyaev ... Eleonora Antokhina, Nikolai Shakura, Darja Kosenko, Elena Seifina,Sergey Molkov (IKI) 1 Overview · Introduction · · · · Observations Analysis of hard X-ray spectra Analysis of hard X-ray eclipses Discussion and conclusions December 26, 2007 ...
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Ссылки http://hea.iki.rssi.ru/conf/hea2007/presentations/26.12.2007/02-cherepashchuk.pdf -- 1364.2 Кб -- 30.01.2008
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31. http://www.ipa.nw.ru/conference/2002/sovet/PS/BENEST.PS
... 8, ``Celestial Mechanics'', 2002 Regularity and chaos for planetary orbits in binaries D. Benest Observatoire de Nice, Nice, France 1. ... Previous papers showed that stable planetary orbits, around either the lightest or the heaviest component of several nearby binary systems, exist up to distances from their primary of the order of more than half the binary's periastron sep aration. ... Chaos: bounded or sticky? It is now wellknown that planetary dynamics may include some proportion of chaos. ...
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Ссылки http://www.ipa.nw.ru/conference/2002/sovet/PS/BENEST.PS -- 29.4 Кб -- 19.08.2002
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32. Pulkovo Database of Observations of Visual Double Stars
Pulkovo Database of Observations of Visual Double Stars . ... Catalog of relative positions of visual double stars, based on photographic observations performed since 1960 in Pulkovo on the 26-inch refractor (A.A.Kiselev, O.A.Kalinichenko, O.V.Kiyaeva, N.A.Shakht, L.G.Romanenko, I.S.Izmailov, O.P.Bykov, K.L.Maslennikov, E.A.Grosheva, D.L.Gorshanov), 2010 . ... Enter either ADS or WDS number. Click here to display full list of visual double stars observed at Pulkovo. ADS . ...
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Ссылки http://www.puldb.ru/db/ds.php -- 4.8 Кб -- 01.10.2012
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33. Fiber-optic plug rotation
... These are plugged into plug-plate holes drilled at the predicted locations of suitable guide stars in the field of view. ... In particular, any departure from the ideal elastic curve from the tubing anchor point to the hole appears to affect the rotation angle of the plug. ... No structure of the residual plug angle appeared significant when these data were examined in 3-D. Figure 3: The plug rotation angle has a standard deviation of 54њ (201њ peak-valley). ... How large can the rotation error be? ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19980815_PlugRotation/19980815.html -- 11.1 Кб -- 27.01.1999
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34. Mariner Venus
Program "Ма riner ":research of Venus . ... It was established also, that the period of rotation of Venus around axis - long, about 243 earth day is, more, than cycle time around of the Sun (224,7 day), therefore on Venus "day" is longer than year and the calendar is completely unusual. ... This vehicle has only once passed about Venus. ... They also have confirmed, that the period of rotation of the upper layer of clouds only 4 day, so a structure of a Venus atmosphere not similar on earth. ...
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Ссылки http://www.schools.keldysh.ru/sch1952/Pages/Eng1/mariner1.htm -- 3.4 Кб -- 20.03.2002
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35. Prototypical Operations Support Tools for NASA Interferometer Missions:
... The Palomar Testbed Interferometer (PTI) is a 110-meter baseline K-Band infrared interferometer located at Palomar Mountain, California. In 1999 an effort was started to provide more observer-friendly observation planning and monitoring tools, such as might be used in NASA interferometer missions. This session illustrates how these prototype tools aid in the observation of spectroscopic binary stars. ... In 1999 an effort was undertaken to prototype mission operations support tools at PTI. ...
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Ссылки http://www.adass.org/adass/proceedings/adass00/D-13/ -- 15.2 Кб -- 04.06.2001
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36. http://www.izmiran.rssi.ru/services/saf/archive/en/2015/obzor20150105.en.txt
... 78.0, THAT GIVES FOR 65 MONTHS (2014, JUNE) DEVELOPMENT CURRENT 24 CYC- LES OF SOLAR ACTIVITY THE SMOOTHED MONTHLY MEAN SUNSPOT NUMBER W*June = 79.7 THE BEGINNING 24 CYCLES OF SOLAR ACTIVITY - I 2009 with W*=1.8 THE TIME OF THE CURRENT CYCLE MAXIMUM - IV 2014 THE HEIGHT OF THE MAXIMUM - Wmax = 81.9 THE INTERNATIONAL DAILY VALUE OF RELATIVE SUNSPOT NUMBER FOR 2014, DECEMBERR ACCORDING DATA OF 71 SOLAR OBSERVATORIES HAS MADE: 1.. 96 6.. 42 11.. 75 16..119 21.. 93 26.. 60 31.. 65 2.. 85 7.. 39m 12.. ...
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Ссылки http://www.izmiran.rssi.ru/services/saf/archive/en/2015/obzor20150105.en.txt -- 9.0 Кб -- 05.01.2015
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37. AAL Homepage
MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...
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Ссылки http://www.aal.lu/HIGHLIGHTS_1970-2000/ -- 22.1 Кб -- 09.04.2016
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38. http://www.issp.ac.ru/iao/2015/booklet/b10_ia15_p_en_a.pdf
... A star was observed at different zenith distances during one night at the Engelgardt's Astronomical Observatory in the program of atmospheric extinction study at blue. ... The determination of the star's brightness was performed with the method of photon counting. ... Variable star. ... The brightness of the variable star was measured occasionally during the other nights, and moments of maximal values of brightness (15.59m) were received on nights 25, the 2nd table. ... JD 2452805. ...
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Ссылки http://www.issp.ac.ru/iao/2015/booklet/b10_ia15_p_en_a.pdf -- 173.2 Кб -- 03.12.2015
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39. ESO reveals end of cosmic Dark ages | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Stars . ... Space Flight . ... New observations with the European Southern Observatory (ESO)тАЩs Very Large Telescope of some of the most distant galaxies ever detected are revealing the mysteries of this important phase of the early Universe. ... These powerful instruments are essential for exploring this early period in cosmic history as they alone can enable the accurate observations of €аthese extremely distant and faint galaxies. ...
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Ссылки http://www.armaghplanet.com/blog/light-from-the-end-of-the-dark-ages.html -- 46.5 Кб -- 09.04.2016
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40. http://site2010.sai.msu.ru/static/doc/BSafonov_site2010.pdf
Twilight observations with MASS/DIMM B. Safonov Sternberg Astronomical Institute Moscow State University Comprehensive Characterization of Astronomical Sites, 2010 B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 1 / 17 Why observe in twilight with MASS/DIMM? ... ASM includes 3 devices sensitive to background: guider, DIMM and MASS. B. Safonov (Moscow State University) Twilight observations with MASS/DIMM SITE 2010 2 / 17 Background in guider. ...
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Ссылки http://site2010.sai.msu.ru/static/doc/BSafonov_site2010.pdf -- 705.7 Кб -- 18.10.2010
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