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1. USS radio sources
... (Roettgering+, 1994) ============================================================================ Samples of ultra-steep spectrum radio sources ROETTGERING H.J.A., LACY M., MILEY G.K., CHAMBERS K.C., SAUNDERS R. 15mJy z: A bright serendipitous source in the VLA field ---------------------------------------------------------------------------- Notes on individual sources : 0141+356 A serendipitous double ... 1718+630 Component '1' serendipitous or related to double radio source? ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/doc/USS_Rottgering.html -- 10.9 Кб -- 18.03.2015
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2. casacore: components/ComponentModels/FluxStandard.h Source File
... Files . ... File List . File Members . components . ComponentModels . Go to the documentation of this file. 00001 //# FluxStandard.h: Compute flux densities for standard reference sources 00002 //# Copyright (C) 1996,1997,1999,2001 00003 //# Associated Universities, Inc. ... See the GNU Library General Public 00013 //# License for more details. ... Generated on Fri Sep 3 2010 13:06:59 for casacore by 1.7.1 ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/casacore/casacore-1.2.0/doc/html/FluxStandard_8h_source.html -- 19.5 Кб -- 14.02.2011
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3. Linked Computer Related Resources
.
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/irlab/hotlist/computer_res.html -- 1.9 Кб -- 28.07.2005
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4. Systematic Uncertainties Special Cases
... Data . ... HST Overview . ... Cycle 24 Announcement . ... There are various sources of uncertainties when performing photometry with NICMOS that could affect the final accuracy of the measurements. In the following, several systematic uncertainties and special cases are mentioned. ... In summary, the accuracy of the absolute spectral energy distribution of NICMOS primary standards introduces a systematic uncertainty of about 2% - 3% in the absolute calibration of the filters. = 2.0 ?m) in NIC3. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/hst/nicmos/performance/photometry/uncertain.html -- 23.0 Кб -- 11.04.2016
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5. http://www.naic.edu/~phil/calcb/cbCalib.html
On/off position switching on continuum sources was done at cband using the correlator. ... One minute integration's on and then off source followed by a 10 second cal on/off in the off source position. ... Record 4 25 Mhz bands centered at RF frequencies: 5000, 4900, 5100, and 5200 Mhz. Use the total power information, cal values, and source flux to compute tsys, gain, sefd. ... 5000 . ... Tsys - fit. ... For gainAvg there is just one fit while gain,tsys,sefd have a separate fit for polA and polB. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~phil/calcb/cbCalib.html -- 34.2 Кб -- 04.01.2002
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6. 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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7. The AstroStat Slog ICA
... I happened to observe a surge of principle component analysis (PCA) and independent component analysis (ICA) applications in astronomy. ... Category: Algorithms , arXiv , Astro , Cross-Cultural , Data Processing , Jargon | ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/ica/index.html -- 29.3 Кб -- 01.03.2014
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8. Plasma source [Oulu]
... There is no question about the source of ionospheric plasma , since it is created from the ambient neutral atmosphere by ionization. However, the source of magnetospheric plasma is a much more complicated question: although it seems obvious that both solar wind and ionosphere feed it, the relative importance of these two sources is unclear. ... Protons (H + ) are the primary ions in solar wind and one of the major components in ionospheric outflows, and thus not good indicators of their source. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/SPPHTEXT/plasma_source.html -- 5.5 Кб -- 21.12.2007
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9. satvelsrc: SATellite VELocity in SouRCe direction
... satvelsrc computes as a function of time the component of the spacecraft velocity vector in the direction of given celestial source. ... SAS_ODF . or named via the generic command line parameters -o or -odfdir (see taskmain for details). ... The source coordinates obtained from the ODF can be overridden with the command line paramters withsrccoord=yes srcra=<ra> srcdec=<dec> and withorthosrc=yes defines a fictitious source in the direction perpendicular to the orbital plane. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/tools/node9.html -- 5.8 Кб -- 02.07.2008
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10. Introduction to SCons Bojan Nikolic web pages (r. 329)
... Bojan Nikolic web pages (r. 329) . ... SCons user manual http://www.scons.org/doc/1.2.0/HTML/scons-user/book1.html . SCons man page (on web at http://www.scons.org/doc/HTML/scons-man.html , or man scons ) . ... SCons is a tool to build compile source code into (closer-to) executable format. ... Curiously, the shared-library SCons builder will accept multiple identical sources and pass them all to the linker, which will normally lead to ?multiple definition? errors. ... Introduction to SCons . ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/~bn204/alma/sweng/sconsintro.html -- 16.1 Кб -- 04.04.2016
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11. A New PROS Task for Calculating HRI Source Intensities or Upper Limits
... Next: The PROS Big Up: Software Systems Previous: Data Reduction Software . ... The srcinten task provides PROS users with a tool to compute count rates for point sources in the ROSAT High Resolution Imager (HRI). ... Corrected upper limits are cited at locations where the count rate falls below the source detection threshold. ... Srcinten is a new PROS task that computes and applies the above correction factors to the net counts in a user-specified aperture. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass94/chenj.html -- 11.4 Кб -- 03.11.2000
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12. lsst.tcc: python/tcc/axis/coordConvWithFP.py Source File
lsst.tcc љ 1.2.2-3-g89ecb63 . ... Files . ... python . ... axis . coordConvWithFP.py . ... 22 љ def coordConvWithFP (fromCoordSys, fromPVTPair, fromPxPMRadVel, fromDir, toCoordSys, obj, inst, zeroPM, useGSWavelen): . 23 љ """!Convert a coord from one coordinate system to another . ... 35 љ @param[in] obj object block computed at desired desired TAI date of conversion . ... 50 љ obj = tcc.base.Obj(obj) # make a copy so I can change obj.site if useGSWavelen . ... tcc.axis.rotFromObs.rotFromObs . ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Telescopes/TCC/html/coord_conv_with_f_p_8py_source.html -- 35.1 Кб -- 14.09.2015
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13. Sample Identification
Next: Identifications and Efficiency Up: THE DEEP X-RAY RADIO Previous: Source Classification . ... For some sources which did not have NVSS positions before the time of optical observations, arcsecond positions from the Texas survey (Douglas et al. 1996) and NED (typically based on VLA data) were used. ... All X-ray/radio sources without counterparts on the survey plates were imaged at either the KPNO 0.9m or the CTIO 0.9m telescopes. ... Previously Identified Sources . Sample Properties . ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~ppadovan/survey/dxrbs_paper/node7.html -- 8.0 Кб -- 03.12.2003
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14. source comment
... The derived position here agrees with the position from recent ATCA observations, RA=15h 01m 34.74s, Dec=39 18 39.2" (Tasker, private communication) which found the source unresolved. Because of the relatively large position offset, the reality of the fainter component 0.12" to the west is somewhat in doubt. However, the ATCA centroid position is offset by 0.3" to the south-east of the VLBA position, suggesting that the faint component may be part of more extended structure. ...
[ Сохраненная копия ]  Ссылки http://www.vsop.isas.ac.jp/VLBApls/J1501-3918.comment.htm -- 1.8 Кб -- 16.10.2000
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15. Astronomy articles, forums, listings, and other resources about Astronomy.
The Astronomy Net . Articles | AstroGuide | ... Forums . ... H ere you can find resouces to help understand perhaps the grandest of all sciences. ... Upcoming Sky Events . ... This site includes lists of manufacturers, vendors, software, etc. organized in the AstroGuide to help when you are looking to purchase your tools. ... Astronomy Articles . ... Are you interested in writing an article for the Astronomy Net? ... www.astronomy.net . ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.net/ -- 88.2 Кб -- 09.04.2016
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Еще в разделе: (Показать все результаты (>499) - www.astronomy.net/ )

16. Energy and the Environment: Resources for a Networked World
Links and Resources for Energy and the Environment . The world is finally becoming globally aware that exponential resource usage in combination with finite reserves is a recipe that ensures our great grandchildren won't be born. ... National Environmental Information Service . ... Electronic Energy Journal . ... Sustainable Development Dimensions , including sections on Environmental information , Environmental policy, planning and management and Energy for development . ... Acid Rain Resource . ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/energy.html -- 6.5 Кб -- 05.04.2000
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17. Vladimir Marsakov Abstracts
Authors: T.V. Borkova , V.A. Marsakov , . ... It is found that dispersions of spatial and kinematics characteristics of field stars change abruptly when the metallicity crosses the boundary [Fe/H] -0.95 . ... По опубликованным прецизионным наземным и спутниковым измерениям собственных движений, компилятивным лучевым скоростям и фотометрическим расстояниям вычислены компоненты пространственных скоростей и элементы галактических орбит для 174 переменных звезд типа ab RR Лиры околосолнечной окрестности. ...
[ Сохраненная копия ]  Ссылки http://ip.rsu.ru/~marsakov/abs/abst30.htm -- 6.8 Кб -- 02.02.2007
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18. Study of radio spectra and variability of GPS sources
... The results of long-term monitoring of Gigahertz-Peaked Spectrum sources were found the statistically significant differences (0.05 significance level) in the high-frequency spectral index distribution between subgroups of galaxies and quasars. ... This can mean that the electron energy distribution for GPS galaxies is steeper than for GPS quasars. ... The first area corresponds to GPS-quasars that have statistically larger value of redfhift, second area corresponds to GPS-galaxies. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/SciNews/2011/Mingaliev/ -- 4.9 Кб -- 02.10.2012
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/SciNews/2011/Mingaliev/ -- 4.9 Кб -- 02.10.2012
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19. Further Information and Bibliography
The Network Time Protocol (NTP) is used to synchronize the time of a computer client or server to another server or reference time source, such as a radio or satellite receiver or modem. ... Information on the NTP architecture, protocol and algorithms can be found in the following articles and reports, which are available online . Mills, D.L. Internet time synchronization: the Network Time Protocol. ... Mills, D.L. Network Time Protocol (Version 3) specification, implementation and analysis. ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/~er/xntp/biblio.html -- 10.0 Кб -- 21.12.2007
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20. Database of Optical Constants -- Level: welcome
The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...
[ Сохраненная копия ]  Ссылки http://www.astro.spbu.ru/JPDOC/ -- 10.8 Кб -- 19.11.2010
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