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1. harak_e
The beam pattern and the polarization characteristics . of the radio telescope RATAN-600 . The Mueller matrix elements was computed via formulas [1]: . ... The BP were computed by the aperture method, proceeding from the fild distribution in the aperture of the primary mirror. The components of the main and cross-polarization components of the electric field in the vertical aperture of the primary mirror was computed in Frenel diffraction approximation. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/len/harak_e.htm -- 11.5 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/len/harak_e.htm -- 11.5 Кб -- 24.02.2010
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/len/harak_e.htm -- 11.5 Кб -- 24.02.2010
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2. Does the time it takes different methods to create all the elements coincide
... Does the time it takes different methods to create all the elements coincide with the universeт??s accepted age? ... Illinois Urbana-Champaign) Different kinds of stars create elements at different rates, all of which are consistent with the age of the universe. Get instant access to subscriber content on Astronomy.com! ... Registration is FREE and takes only a few seconds to complete. If you are already registered on Astronomy.com, please log in below. ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/magazine/ask-astro/2011/02/cosmic-chemistry -- 63.2 Кб -- 10.04.2016
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3. The INTERBALL Auroral PROBE orbital elements collections
... Format of the orbital elements | Estimation of the extrapolation errors | Version 1" of the orbital elements collection, determined by KIAM during flight and used for operations planning . Version 2" of the of the orbital elements collection, modified by IKI during flight and recommended for the orbital calculations during scientific data processing . ... Three kinds of the INTERBALL Auroral probe (IB_AUR) orbital elements' collections are presented here. ... IKI RAN | SSC IKI RAN | ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/vprokhor/indap.htm -- 6.0 Кб -- 07.01.2000
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/vprokhor/indap.htm -- 6.0 Кб -- 07.01.2000
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4. Font Style Elements
... The <B> element specifies that the enclosed text should be displayed in a boldface. ... The <I> element specifies that the enclosed text should be displayed, if practical, in an italic font (or slanted). ... The <SMALL> element specifies that the enclosed text should be displayed, if practical, using a small font (compared with normal text). ... The <SUB> element specifies that the enclosed text should be displayed as a subscript, and if practical, using a smaller font (compared with normal text). ...
[ Сохраненная копия ]  Ссылки http://comet.sai.msu.ru/webdesign/html-3.0/emphasis.html -- 3.2 Кб -- 19.12.1996
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5. APOD: 2002 July 25 - NGC 1569: Heavy Elements from a Small Galaxy
... 2002 July 25 . NGC 1569: Heavy Elements from a Small Galaxy . ... Still, heavy elements can profoundly influence galaxy and star formation ... not to mention the formation of planets and people. In this tantalizing false-color x-ray image from the orbiting Chandra Observatory , small dwarf galaxy NGC 1569 is surrounded by x-ray emitting clouds of gas thousands of light-years across. ... About APOD | ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap020725.html -- 5.4 Кб -- 01.10.2012
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6. Tabular Reference Data
... Chapter 13: Wide Field Camera 3(WFC3) > 13.4 Tabular Reference Data . ... 13.4.1 Spectral Elements for WFC3/UVIS . 13.4.2 Spectral Elements for WFC3/IR . ... The UVIS channel has 12 filter wheels with four spectral elements each. ... Table 13.5: Spectral Elements for use with WFC3/UVIS . ... Clear; grism reference . ... UV Wide . ... The IR channel has a single filter wheel with 17 spectral elements. ... Table 13.6: Spectral Elements for use with WFC3/IR . ... Wide JH gap; red grism reference . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/ftp/documents/p2pi/HTMLjavahelp21/ch15_wfc35.html -- 283.3 Кб -- 24.05.2013
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7. ASP: An Ancient Universe - The Age of the Chemical Elements
An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . ... d) The Age of the Chemical Elements . ... Some isotopes (forms of the element with different numbers of neutrons in the nucleus) of these elements are radioactive; they change into other isotopes at a rate that can be measured accurately in the laboratory. ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/56/ancient4.html -- 8.8 Кб -- 02.10.2012
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8. http://www.naic.edu/~astro/sdss7/talks/Phased_Array_Feeds.pdf
... 0 GBT PAF Demonstration System Single channel only represented 1 Element Patterns 1 Elevat ion ( Degrees ) -1 0.8 0.6 0 0.4 1 -1 0 1 Cross Elevat ion ( Degrees ) 0.2 0 1 Elevat ion ( Degrees ) 1 Elevat ion ( Degrees ) Elevat ion ( Degrees ) -1 0.8 0.6 0 0.4 1 -1 0 1 Cross Elevat ion ( Degrees ) 0.2 0 -1 0 1 Cross Elevat ion ( ...
[ Текст ]  Ссылки http://www.naic.edu/~astro/sdss7/talks/Phased_Array_Feeds.pdf -- 2411.5 Кб -- 15.07.2013
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9. Laboratory static Fourier-spectrometer
We have designed the laboratory model of static Fourier spectrometer for onboard usage for spectral study of atmosphere and ionosphere. The gain of model is to simulate onboard FS which will not have any moving elements (all its optical elements will be mounted at fused quartz monolithic construction), to compare experimental results with theoretical estimations and to measure MTF of CCD array. ... This fact connected with low frequency response of CCD array due to small format of it. ...
[ Сохраненная копия ]  Ссылки http://space.univ.kiev.ua/~lapchuk/my_web/labfs.htm -- 8.8 Кб -- 15.02.2000
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10. The AstroStat Slog light curve
... Posts tagged ?light curve? ... Posted by hlee . ... Tags: book , Brieman , cigar , Clinton , data mining , Friedman , Hastie , KDD , light curve , machine learning , SCMA , shaking hands , SN , statistical learning , Supernova , Tibshirani . Category: Algorithms , Cross-Cultural , High-Energy , Jargon , Methods , Quotes , Stat , Uncertainty | Comment . ... Click for what was appeared in arXiv this week. ... Category: arXiv , Data Processing , gamma-ray , Objects , Spectral , Timing , X-ray | ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/light-curve/index.html -- 34.2 Кб -- 01.03.2014
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12. (Untitled)
To construct two-dimension distribution of minor planets user should specify elements/ parameters/ function that will be plotted as abscissas and ordinates. In three-dimension case one should add to them the element plotted on Z axis. ... Though you may choose elements plotted along different axes at will, often there is good reason to plot such elements as a, n, or n" along X axis (two-dimension distributions) and to plot them along Y axis in three-dimension case. ...
[ Сохраненная копия ]  Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user8zse.htm -- 3.4 Кб -- 10.04.2016
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13. Description
... It lists the coefficients defining the colour transformations, the zero points for the different filters and the aperture radii used in the photometric calibration analysis. ... The AB system zero point of the filter FilterID is stored in the keyword ABM0 FilterID , e.g. the AB zero point of the the U-filter is stored in ABM0U. The flux conversion factor derived from White Dwarfs of the filter FilterID is stored in the keyword FCF FilterID . ... description . ... AB Flux conversion factor of U . ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/calibration/documentation/CALHB/node922.html -- 17.2 Кб -- 20.09.2011
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14. http://www.eso.org/public/news/eso1235/kids/
... Bringing news from across the Universe to children all around the world . ... Yet, all of these things are made from the same stuff: chemical elements. ... In total, there are only 118 chemical elements. That means that everything in your room and everything that we can see on Earth is made up from different amounts of some of these chemical elements. ... There might be some extra chemical elements out there, but astronomers only know about 118 chemical elements so far. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/public/news/eso1235/kids/ -- 11.3 Кб -- 11.04.2016
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15. Proposed Facility
... Clearly, what we need is big telescopes with high resolution spectrographs, to get good data on QSO absorption-lines. With bigger and better telescopes, you could measure the clustering and 3D distribution of gas in the early universe, by looking at lots of faint QSOs in the same parts of the sky. ... With the high resolutions made possible by big telescopes, you could look at the internal velocity structure of the absorbing clouds. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/pfrancis/roleplay/html_dir/firstlight/node25.html -- 3.9 Кб -- 02.10.2012
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16. http://www.atnf.csiro.au/projects/askap/archive/magic_carpet_is_a_dingo.doc
... Bruce MacA Thomas 11 February 1999 Introduction In this discussion document, the antenna principles underpinning some of the concepts discussed in Ref 1 for the LF-SKA are extended to illustrate the potential difficulty of achieving constant collecting area, and hence the practical realisation of the "magic-carpet" concept. Applications to the "randomised" antenna-element approach to array-station design, and the trade-offs that need to be considered, are briefly discussed. ...
[ Текст ]  Ссылки http://www.atnf.csiro.au/projects/askap/archive/magic_carpet_is_a_dingo.doc -- 27.5 Кб -- 12.08.1999
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17. Primary mirror support
... The axial support is provided by 78 air pistons. ... The transverse support is provided by 38 air pistons, supported by cantilevers from the mirror cell, that act on the mirror local center of gravity surface. ... The locations where the transverse mirror support forces should be applied to the mirror are listed in Table 1 and illustrated in Figure 1. ... Figure 1: CAD drawing showing the 2.5-m primary mirror and the locations of the transverse support posts (black) and axial pneumatic pistons (blue...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Telescopes/SDSS/eng.papers/19980713_1rySupportIII/19980713.html -- 9.9 Кб -- 25.08.1998
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18. Age of the Universe
There are at least 3 ways that the age of the Universe can be estimated. ... The age of the oldest star clusters. The age of the oldest white dwarf stars. ... When a rock solidifies, the chemical elements often get separated into different crystalline grains in the rock. ... But if the elements are made continuously at a constant rate, then the mean age of stuff in the Solar System is (t o + t SS )/2 = 8-11 Gyr which we can solve for the age of the Universe giving t o = 11.5-17.5 Gyr . ... Age | ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/~satr/cosmo/age.html -- 10.3 Кб -- 16.10.2000
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19. RadioAstron Mission Element Overview
Next: RSOG Pre-Observation Products . ... Mission Elements . ... The main mission elements (ME) are: . The RSOG, based at ASC, which is responsible for the science operation of the RadioAstron Mission. ... The Main Ballistic(Navigation) Center (MBC) belonging to Lavochkin Association coordinates preparation and exchange of orbit determination and orbit reconstraction ptoducts. ... Experiment codes of five characters are used in naming GRT related files. ... RSOG . ... Corr (GTS?) ... Corr (RSOG?) ...
[ Сохраненная копия ]  Ссылки http://www.asc.rssi.ru/RadioAstron/documents/rmoh/eng/rameo.htm -- 14.7 Кб -- 30.08.2001
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20. DIGITAL WDC EXCHANGE FORMAT FOR OBSERVATORY 1.0 MINUTE VALUES
DIGITAL WDC EXCHANGE FORMAT . FOR OBSERVATORY 1.0 MINUTE VALUES 1. ... DATA-1 .. DATA-60 are 1-minute values of the given element for that hour. ... Typically, digital 1-minute values received by WDCs from organizations operating automatic magnetic observatory instruments are averages of more frequendy sampled values, e.g. 10-second point samples. ... If the method used to obtain 1-minute average values is important to a user, the WDC will assist in determining the exact procedure applied. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/HTML/WDCFORM.HTM -- 6.6 Кб -- 03.07.2001
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