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1. 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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2. GRANAT Home Page
GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...
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Ссылки http://hea.iki.rssi.ru/GRANAT/granat.html -- 2.5 Кб -- 03.11.2009
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3. FM-3I Instrument
Magnetic field measurements onboard the Interball Tail spacecraft are carried out by the FM-3I instrument which consists of two flux-gate magnetometers covering two different ranges: [-200, +200] nT and [-1000, +1000] nT. Besides scientific goals, the FM-3I experiment data is used to perform the attitude control of the Interball Tail spacecraft. ... August 22, 1995 . ... October 18, 1995 . Top of the page . ... Back to the Interball Home Page . ...
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Ссылки http://www.iki.rssi.ru/fm-3i.html -- 2.7 Кб -- 24.05.1996
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4. Determination of the relative orientation between radio and dynamical reference
... The experience of determination of the link between radio sources and dynamical reference frames is presented. To obtain this connection we used a series of very long baseline interferometry (VLBI) observations of the spacecraft Phobos-2 and angularly nearby quasars. ... The dynamical reference frame is determined by equator and equinox of these ephemerides. ... References . ... The relative orientation of the radio and dynamical reference frames can be described by a sequence of three rotations . ...
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Ссылки http://www.mrao.cam.ac.uk/yerac/shuygina/shuygina.html -- 13.7 Кб -- 08.12.2003
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5. Proposal ID 6897: GHRS Cycle 6: CRIMP1-- Condensed-Regimen Integrated
... Purpose: The purpose of this program is to monitor the sensitivity, wavelength and detector calibrations of Side 1. Description: Four times per year (twice in Cycle 6) the following observations will be done: . ... The sensitivity calibration of the GHRS Side 1 grating G140L will be monitored with the UV spectrophotometric standard star BD+28D4211. ... Fraction of GO Programs Supported: All GHRS programs using gratings G140M (10%) and G140L (27%) for wavelengths and sensitivities. ...
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Ссылки http://www.stsci.edu/ftp/instrument_news/GHRS/Ghrs_isr/ghrs_isr074/ghrs_isr074_5.html -- 3.9 Кб -- 30.05.1996
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6. Multipoint correlations of the solar wind parameters observed by several
The problem of solar wind data correlation for the observations onboard several spacecraft is very important for three points of view: . ... This problem is studied now in detail by systematic determination of ion flux and ion velocity data correlations by INTERBALL-1 (IKI group), WIND and IMP 8 (both - MIT group). ... Solar wind plasma correlation lengths from IMP 8, WIND and INTERBALL-1. ... Correlation of solar wind observations onboard several spacecraft: INTERBALL-1, IMP 8 and WIND data. ...
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Ссылки http://www.iki.rssi.ru/tail/results/vdp/correla.html -- 5.6 Кб -- 21.01.1997
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/tail/results/vdp/correla.html -- 5.6 Кб -- 21.01.1997
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/tail/results/vdp/correla.html -- 5.6 Кб -- 21.01.1997
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7. http://www.naic.edu/alfa/ealfa/meeting2/handouts/ultra_precursor.pdf
Going Deep with ALFA E-ALFA Ultra-deep field group February 17, 2004 Abstract The improved sensitivity, RFI excisions and baselines expected with ALFA will open a new area of high sensitivity observations for the Arecibo Telescope. There is a significant scientific interest in single sight-line observations to unprecedented depth with integration times up to about 100 hours per beam. ... The total proposed integration time is 35 hours per beam. ... Higher sensitivity to unresolved sources. ...
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Ссылки http://www.naic.edu/alfa/ealfa/meeting2/handouts/ultra_precursor.pdf -- 72.2 Кб -- 12.05.2006
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8. Procedures for Observations
... The J, H and K bands are characterized by a bright background, such a background is mainly due to the emission of atmospheric lines and of thermal radiation. ... If the source cover a large fraction of the slit, spectra off-source must be observed to adequately sample the sky background. ... The on chip integration time (time spent in each position of the slit) must not exceed 40 seconds in J and H bands and 60 seconds in K band. ... We suggest a sequence of 10 for each elementary integration time. ...
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Ссылки http://www.arcetri.astro.it/irlab/instr/longsp/doc/proc_ob.html -- 7.9 Кб -- 16.02.2000
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9. Distributed Software for Observations in the Near Infrared
... We have developed an integrated system that performs astronomical observations in Near Infrared bands operating two-dimensional instruments at the Italian National Infrared Facility's ARNICA and LONGSP . ... The user interface is organized as widget-based X11 client. ... 1993; Di Giacomo et al. 1993). ... Moreover, if the interprocess communication interface includes support for networking, the software immediately becomes network distributed software. ... DESQview/X User Guide 1993, Quarterdeck . ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/gavryusevv.html -- 9.9 Кб -- 03.11.2000
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10. Spacecraft Integration with Dnepr SHM
... ISC Kosmotras . ... Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. Dnepr Cluster Mission 2014 6 November 2014. ... Mission profile SHM configuration Reliability Dnepr LV Performance Launch Sites . ... Dnepr Space Head Module integration with customers spacecraft was successfully completed in the Yasny Launch Base AITB on November 13, 2013. 14.11.2013 . ... Mission profile . ...
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Ссылки http://www.kosmotras.ru/en/news/141/ -- 10.0 Кб -- 09.04.2016
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11. Archive of VLBI Observations Majordomo List
... About ATNF overview . ... Australia Telescope Steering Committee . Time Assignment Committee . ... Staff list | ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... VLBI . ... CSIRO Radio Astronomy Image Archive . ... Subject: RadioAstron Newsletter 13 . ... Moreover, these observations were organized in a dual-band . ... Coherence time in radio interferometry is the maximum time interval for . ...
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Ссылки http://www.atnf.csiro.au/lists/vlbiobs/2012/06/1400.html -- 32.4 Кб -- 10.04.2016
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12. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The interface between the lower solar atmosphere where energy is generated by subsurface convection and the corona comprises the chromosphere, which is dominated by jet-like, dynamic structures, called mottles when found in quiet regions, fibrils when found in active regions and spicules when observed at the solar limb. ... In addition, how they affect the coronal heating and solar wind need to be further explored. ...
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Ссылки http://star.arm.ac.uk/highlights/2012/609.html -- 7.0 Кб -- 17.07.2012
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13. Conference WPLTN-2012 | Conference page
WPLTN Technical Workshop . ... WPLTN-2012) . ... of the International Scientific Technical Conference WPLTN-2012 . ... Having an opinion that the collocation of various space geodesy measurement technologies has a fundamental role in increasing the accuracy of fundamental and applied positioning, navigation and timing provision, the International Scientific Technical Conference WPLTN-2012 has come to the following conclusions: 2.1. ... Web-page . ... Resolution of the conference WPLTN-2012 . ...
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Ссылки http://www.ipa.nw.ru/conference/wpltn2012/ -- 12.7 Кб -- 09.04.2016
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14. Required observational data
Next: What was the Up: Observational data Previous: Observational data . A certain minimum set of data is required to make observations reducible. These are the identity of the object measured; the identity of the bandpass in which the measurement was made; the time of the observation; and, for integration-type measurements, the duration of the integration. Table describes the basic table-file columns in detail. ... Pascal Ballester . Tue Mar 28 16:52:29 MET DST 1995 ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/94NOV/vol2/node635.html -- 3.3 Кб -- 23.02.1996
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15. The High-Z SN Search Description
... It turns out one possibility is a form of matter/energy invented by Einstein in the 1920s to make sure his equations of General Relativity did not predict the Expansion of the Universe. Although Einstein was willing to predict several things with his equations of General Relativity, he obviously thought an expanding Universe was too much, and so he invented the Cosmological Constant, which repels itself, and was meant to balance the force of gravity, and make the Universe static. ...
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Ссылки http://www.mso.anu.edu.au/~brian/PUBLIC/data.html -- 9.6 Кб -- 01.10.2012
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16. System of zero gravity state on the spacecraft 'Photon M4'
... In spite of the fact that the orbit assumes a zero gravity (the scientists count on it by growing super-clean crystals and other materials impossible on the earth), in fact, none spacecraft provides such conditions. ... This question is answered by the device developed by SSAU scientists - Micro-acceleration Compensation Space System (MCSS). ... Then, the computer will give commands to the magnets that compensate micro-accelerations. ... Tags: 'photon-m4' mcss . ... SAMARA STATE AEROSPACE UNIVERSITY...
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Ссылки http://www.ssau.ru/engnews/10764-System-of-zero-gravity-state-on-the-spacecraft-Photon-M4/ -- 27.0 Кб -- 31.07.2014
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17. Pulkovo NEO Page: Observations
Pulkovo NEO Page . ... Instrumentation and Observations . ... This Windows application serves for determination of spherical coordinates and magnitudes of the objects. ... The objects coordinates are referred to the system of chosen star catalog. ... 2. choice of reference stars with mouse, . 3. measurement of rectangular frame coordinates of objects and reference stars taking account of predefined background parameters, . 4. calculation of the spherical coordinates of objects. ...
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Ссылки http://www.gao.spb.ru/personal/neo/eng/observs/p02.htm -- 10.3 Кб -- 15.11.2013
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18. Cassini Spacecraft Approaches Jupiter
Astronomy Picture of the Day . ... 11.10.2000 . ... Credit: Cassini Imaging Team , Cassini Project , NASA Explanation: A new spacecraft has entered the outer Solar System: Cassini . Launched in 1997 and bound for Saturn in 2004, Cassini sent back the above image last week while approaching the giant planet Jupiter . ... October 2000 . ... 1997 1998 . ... Publications with keywords: Jupiter - spacecraft - cassini spacecraft . Publications with words: Jupiter - spacecraft - cassini spacecraft . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1161443 -- 14.5 Кб -- 18.12.2000
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19. 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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20. MAVEN spacecraft returns first Mars observations | Astronomy.com
... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Observing . ... Astronomy for Kids . ... MAVEN spacecraft returns first Mars observations . ... NASA s Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has obtained its first observations of the extended upper atmosphere surrounding Mars. ... MAVEN is the first spacecraft dedicated to exploring the tenuous upper atmosphere of Mars. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2014/09/maven-spacecraft-returns-first-mars-observations -- 68.1 Кб -- 10.04.2016
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