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21. On-The-Fly Re-Calibration of HST Observations
... Previous: Pipeline Processing and Quality Control for Echelle Data . ... On-the-fly re-calibration of HST data (OTF) has now been available at the CADC and ST-ECF for about 18 months. ... The calibration can only be executed using the calibration reference files which are available at that time. ... On-the-fly re-calibration has another advantage for our archive sites: we only need to keep the raw data and calibration reference files on-line for the process to be automatic. ...
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Ссылки http://www.stecf.org/conferences/adass/adassVII/pirenneb.html -- 8.0 Кб -- 12.06.2006
[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass97/pirenneb.html -- 8.0 Кб -- 15.05.1998
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[ Сохраненная копия ] Ссылки http://www.adass.org/adass/proceedings/adass97/pirenneb.html -- 8.0 Кб -- 15.05.1998
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22. Accuracy of World positional CCD observations of the numbered minor planets
... Contact A Problem of an estimation of accuracy of the asteroid CCD observations . The Minor Planet Center supported by the Interntional Astronomical Union is the main office for keeping observational data of the small Solar System bodies and their investigations. ... At Pulkovo Observatory we are estimating an accuracy of the CCD asteroid observations obtained by amateurs and professional astronomers all over the World using the MPC database. ...
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Ссылки http://www.accuracy.puldb.ru/PROBLEM.HTM -- 3.9 Кб -- 05.12.2007
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23. THE AUSTRALIAN NATIONAL UNIVERSITY
... NOTE TO EDITORS: GALAXY FLY-THROUGH AVAILABLE ONLINE . HUGE GALAXY STRING CHALLENGES SPACE THEORY . An enormous string of galaxies 300 million light-years long has been discovered in the remote Universe, challenging existing theories about how the Universe evolved. ... ANU astronomer Dr Paul Francis, who coordinated the international research team, said the galaxy string lay 10,800 million light-years away. ... The research was funded by NASA and the Australian National University. ...
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Ссылки http://www.mso.anu.edu.au/pfrancis/string/ausrelease.htm -- 5.8 Кб -- 06.01.2004
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24. Optimization of spectroscopic observations
... Let us first find out which way -- rise in spectral resolution with some loss in the S/N ratio or increase in the S/N ratio with a fixed spectral resolution -- is better for the purpose of reduction of equivalent width determination errors. ... N -- number of counts for 1 ? ... line equivalent width, . ... Thus if the spectral resolution is managed to be increased (i.e. to decrease )without loss in the number of counts falling at 1 ?, the equivalent width measurement error is then proportional to . ...
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Ссылки http://mavr.sao.ru/hq/ssl/PFES/node2.html -- 13.9 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/PFES/node2.html -- 13.9 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/PFES/node2.html -- 13.9 Кб -- 01.10.2012
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25. http://selena.sai.msu.ru/Symposium/RadioMoonE.pdf
TEMPERATURE OF REGOLITH IN COLD TRAPS ON THE MOON A.A. Berezhnoi Sternberg Astronomical Institute Moscow, Russia The hypothesis of the existence of the lunar ice in cold traps was stated in (Watson et al., ... Arnold, 1979) estimated the mean temperature on the surface of lunar cold traps as 40-90 K. We plotted the dependence of regolith mean temperature on depth for these two values of mean temperature on the surface (see figure 1). ... Arnold J.R. Ice in the lunar polar regions, J. Geophys. ...
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Ссылки http://selena.sai.msu.ru/Symposium/RadioMoonE.pdf -- 17.4 Кб -- 06.10.2008
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26. GOODS
... What's GOODS . ESO Data Products . Other Data Products . ... ESO dataset on GOODS/CDF-S . ... FoV . ... link to RAW data] . Data . ... 2.2m / WFI . ... U<26.0, B<26.4, V<25.4, R<25.5, I<24.7 . ... VLT / FORS . ... VLT/ISAAC . ... FOV Layout ] . ... 168.A-0485(A) . ... Send comments to <goods@eso.org> . ...
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Ссылки http://www.stecf.org/goods/imaging/products.html -- 11.4 Кб -- 23.10.2006
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27. Do Frogs Exist there Too ?
... Astronomy index . ... This tour, of the world of astronomy, physics and spaceflight, may just as well end with a light-hearted 1878 poem by the Czech poet Jan Neruda . ... Do Frogs Exist there Too ?" . ... Like moles they dig for learning. ... They call one foot, that's all. ... Do frogs exist there too?" ... star? jim ?ab?k u?en? . ... teprv jim loket jeden. ... Foot" as used here, in Czech "loket," actually means "cubit," the distance from elbow to stretched fingertips, about a foot and a half. ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Sfrogs.htm -- 9.5 Кб -- 03.03.2006
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Sfrogs.htm -- 9.5 Кб -- 22.12.2007
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28. ...no longer exists.
The HyperNews Linux KHG Discussion Pages . Forum: How System Calls Work on Linux/i86 . Re : the directory /usr/src/libc/syscall/ ( vijay gupta ) . Keywords: system call libc . ... The /usr/src/libc/syscall/ directory no longer exists. Instead, they files you need to modify are in the libc/sysdeps/linux/ directory. ... If you need to know more, please ask more.. ... 1. the solution to the problem by Vijay Gupta . ...
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Ссылки http://www.arcetri.astro.it/irlab/library/linux/khg/HyperNews/get/syscall/syscall86/1/1.html -- 3.0 Кб -- 23.03.2000
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29. Black Hole Creation in Massive Binary Systems
Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries . Two different types of stellar BH formation exist: (1) direct core collapse of a massive star and (2) AIC of a NS. A BH of the first type presumably will have a mass comparable to that of the collapsing star and can be born both from a single star and in a binary system. ... Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries Mike E. Prokhorov . ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node64.html -- 8.4 Кб -- 26.02.1997
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30. Extinction properties (transmitted radiation)
Next: Extinction efficiencies: general behaviour Up: Optical properties of cosmic Previous: Optical properties of cosmic . It is now evident that observed interstellar extinction cannot be explain using particles of only one kind. ... The intensity of radiation after passing a dust cloud is equal to . ... The interstellar extinction is . ... Next: Extinction efficiencies: general behaviour Up: Optical properties of cosmic Previous: Optical properties of cosmic root 2003-04-09 ...
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Ссылки http://www.astro.spbu.ru/DOP/8-GLIB/ASTNOTES/node1.html -- 11.6 Кб -- 19.11.2010
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31. Kepler's Second Law
... The motion of a planet around the Sun or of a scientific satellite around Earth follows different equations (though a connection exists), but in many respect it resembles that of the stone. ... Kepler's law states: . ... Illustrating Kepler's 2nd law: . ... As an example, let the drawing on the right represent the orbit of an Earth satellite, and let AB and CD be the portions of the orbit covered in 3 hours near apogee and near perigee, respectively. ... Gravity can also provide energy. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/STARGAZE/Skepl2nd.htm -- 11.2 Кб -- 21.12.2007
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32. Hardware sector, archive 2001
... It allows observations of extended and starlike objects in different modes: CCD photometry, panoramic spectroscopy with the Fabry-Perot interferometer, spectroscopy and spectropolarimetry with a "long-slit", slit-free spectroscopy, multi-object spectroscopy. ... Digital servo drives that were installed have improved the reliability of the complex, extended the range severalfold, and reduced the telescope's speed control step. ... A software and hardware set for the BTA control system was implemented...
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Ссылки http://www.sao.ru/Doc-en/Science/results/ar_facil/res2001.html -- 6.4 Кб -- 10.04.2016
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33. http://www.mccme.ru/~ansobol/otarie/slides/kolesnikov.pdf
Optimal transportation, curvature flows, and related a priori estimates Alexander Kolesnikov Moscow 2010 1 Curvature flow Shrinking family of (convex) surfaces At, where every point x A on the curvature of A at x x = -K (x) · n(x). Here K (x) is the (Gauss) curvature of At at x. Approaches to the curvature flows · 1) Solving a parabolic nonlinear equation with smooth data ( R.S. Hamilton, R. Huisken .. ... curvature flow x = -td where t = (x). ... C1(M ) sup | ... Let F (r, ) be a smooth function. ...
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Ссылки http://www.mccme.ru/~ansobol/otarie/slides/kolesnikov.pdf -- 142.6 Кб -- 21.05.2010
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34. Solar modeling input physics (thermodynamics, opacity, nuclear reactions)
On this page you can compute thermodynamics, opacity and nuclear reaction rates for conditions which exist inside the Sun. ... Logarithmic partial derivative dlogP/dlogT (hi_t) . Logarithmic partial derivative dlogP/dlogRHO (hi_rho) . Logarithmic partial derivative dlogP/dlogX (hi_x) . Logarithmic partial derivative dlogU/dlogT (ksi_t) . ... Input field size does not limit the amount of data entered; you can type or paste thousands of lines (10,000 lines tested with output size over 5MB). ...
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Ссылки http://crydee.sai.msu.ru/physics/phys.php -- 6.3 Кб -- 01.10.2012
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35. Stellarium: StelShortcutMgr Class Reference
Stellarium 0.12.3 . ... Classes . ... StelShortcutMgr Class Reference . ... voidљ . ... loadShortcuts (const QString &filePath, bool overload=false) . ... addGuiAction (const QString &actionId, bool temporary, const QString &text, const QString &primaryKey, const QString &altKey, const QString &groupId, bool checkable=true, bool autoRepeat=false, bool global=false) . ... if true, if a shortcut in the file already exists, replace its keys with the ones in the file. void StelShortcutMgr::loadShortcuts . ...
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Ссылки http://astro.uni-altai.ru/~aw/stellarium/api/classStelShortcutMgr.html -- 22.0 Кб -- 28.02.2014
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36. Keywords_65
Estimations of the change of the Sun s mass and the gravitation constant based on high-accuracy observations of planets and spacecraft . ... More than 635 000 positional observations of planets and spacecraft of different types have been used for estimating possible changes of the gravitation constant, the solar mass, and semi-major axes of planets. ... gravitation constant, positional observation, Sun's mass. ...
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Ссылки http://www.ipa.nw.ru/PAGE/EDITION/transaction/transaction_ann26/65.htm -- 4.4 Кб -- 09.04.2016
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37. Lunar Drawings
Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...
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Ссылки http://aberrator.astronomy.net/moon/index.html -- 13.5 Кб -- 28.11.2001
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38. wiki:start [SAI Virtual Observatory - Wiki]
. Trace: . start : wiki . navigation . Main . SAI VO Projects . CAS . Web Services . TODO . AstroSearch . AstroDB . AstroKeywords . VOLinks . Our People . User Space . Sandbox . Help on Wiki search . toolbox . Index Recent changes Backlinks Login . Show pagesource Old revisions . You ve followed a link to a topic that doesn t exist yet. If permissions allow, you may create it by using the Create this page button. Back to top . SAI VO | Astronet | SAI MSU | Legal Information .
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Ссылки http://vo.astronet.ru/wiki/wiki/start -- 9.3 Кб -- 01.10.2012
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39. MEMORANDUM
... ON APPLICATION OF MULTI-FREQUENCY SYNTHESIS FOR RADIOASTRON MISSION. ... The first problem for RadioAstron mission for K-band will improved with using a new LNA / probably identical to . ... For RadioAstron mission it is proposed to operate one K-band circular polarized channel at fixed frequency 22.232 GHz. ... B. One circular polarization channel operates at frequency F0 and the opposite polarization channel operates at minimal frequency F-4. ... Signal and LO frequencies. ...
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Ссылки http://www.asc.rssi.ru/RadioAstron/documents/memo/sep99/memo_sep99.htm -- 11.1 Кб -- 15.09.1999
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40. Optical systems and devices
To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...
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Ссылки http://www.mao.kiev.ua/lao/optical_systems_eng.html -- 19.6 Кб -- 12.01.2010
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