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http://hea-www.harvard.edu/ChandraSNR/SNRJ0049.1-7314/.
http://hea-www.harvard.edu/ChandraSNR/SNRJ0049.1-7314/.
1. Chandra Images for SNR J0550.4-6823
True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . ... Description: large, diffuse, X-ray and radio brighter in northern half . Radio . ... Radio Images Page . ... Exposure uf . ... Exposure uf Exposure time of unfiltered event file . Exposure f Exposure time of filtered event file . ... Event 2 FITS File . ... AUX file . ... 0.3 - 10.0 . ... see fit detail page for more about the fit. see chandra spectrum page for region used. ... True Color Image . ... Radio Images . ...
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Ссылки http://hea-www.harvard.edu/ChandraSNR/SNRJ0550.4-6823/ -- 11.2 Кб -- 27.02.2014
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2. Source Positions
Next: Catalog Construction Up: Observations and Analysis Previous: Source Detections . ... It was assumed that the highest signal gives the most likely position of the source. ... Comparing the summed map with the maps from the individual energy ranges, the one which produced the smallest error box was chosen to represent the source position, as long as was greater than 4, a level chosen to reflect a reasonable degree of confidence in the detection. ...
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Ссылки http://www.sao.ru/cats/doc/EGRET2/node7.html -- 9.0 Кб -- 08.05.1998
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3. General source table layout
... This is followed by astrometric columns - ie columns for the Right Ascension, declination, position error, galactic longitude and galactic latitude. There then follows columns for the computed significance (signal-to-noise) of each source for each of the filters present. Columns for the instrumental magnitudes and colours for each filter, follow. ... Columns for the standard magnitudes and errors, for each filter, follow. ... Standard colours and errors then follow. ...
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Ссылки http://xmm.vilspa.esa.es/sas/6.1.0/doc/omsrclistcomb/node6.html -- 5.4 Кб -- 22.11.2004
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4. Target Count Rates
... We now consider estimation of count rates for objects with stellar, power law, and emission line spectra. To estimate the number of electrons collected from a point source of apparent visual magnitude V, one can use the equation: . ... If one knows the spectral index a (which is zero for a source with a flat continuum), V + AB_nu can also be calculated as the monochromatic Oke system magnitude at the corrected mean wavelength of the filter: . ... 6.3.3 - Count Rates for Emission Line Sources . ...
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Ссылки http://www.stsci.edu/instrument-news/handbooks/wfpc2/W2_59.html -- 5.4 Кб -- 24.07.1996
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5. An Extragalactic Point Source Simulator for SIRTF Pipeline Testing
... Up: Science Data Pipelines . ... We designed and developed a package which simulates extragalactic point source data within a given field of view and SIRTF band. ... The simulator is modular and extensible to enable multi-wavelength simulations, has been optimized by utilizing parallel processing capabilities, and will be used to test pipeline software. ... The extragalactic simulator is capable of generating large numbers of galaxies within a given patch of sky for SIRTF pipeline testing. ...
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Ссылки http://www.adass.org/adass/proceedings/adass00/P2-48/ -- 13.3 Кб -- 29.05.2001
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6. http://www.naic.edu/~phil/mbeam/calibration/06may05_ohamps_performance.html
... comparison of the system performance for alfa and lbw at OH (.ps) ( .pdf ) (no amps in) . comparison of the system performance for alfa and lbw at OH (.ps) ( .pdf ) (with amps in) . ... On 01apr05 the system performance was measured using the continuum source CTA21 (B0316+162. ... The plots show the comparison of the system performance for alfa and lbw at OH (.ps) ( .pdf ) (no amps installed). ... Black is polA, red is polB. ... G/T alfa)/(G/T lbw) . ... The polB/polA performance ratios are: . ...
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Ссылки http://www.naic.edu/~phil/mbeam/calibration/06may05_ohamps_performance.html -- 8.4 Кб -- 10.05.2005
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7. A Post-Correlation equivalent to an Adaptive Filter
... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Parkes | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...
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Ссылки http://www.atnf.csiro.au/people/Michael.Kesteven/INTMIT/ska_rfi/tsld002.htm -- 50.8 Кб -- 28.02.2014
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8. http://www.mrao.cam.ac.uk/~kjbg1/lectures/lect1_1.pdf
... Luminosity (L) · · · · A source's luminosity is the power that it emits in radiation. ... NB Astronomers often say `flux' when they mean `flux density' · SI units are Wm-2Hz -1 -26 filter · Also used are Jy 10 Wm-2Hz -1 E= РРРF d dA dt Specific Intensity, Surface Brightness (I) · Specific intensity (or surface brightness) is the power received (or emitted) per unit area per unit frequency per unit solid angle. ч F at surface of a spherical source = I · · Specific intensity is independent of distance...
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Ссылки http://www.mrao.cam.ac.uk/~kjbg1/lectures/lect1_1.pdf -- 117.5 Кб -- 07.10.2002
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9. 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" . ...
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10. Lecture Series 2010-2011 ? ?Greening the Earth Using Space Resources? by Greg
Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Greening the Earth Using Space Resources? by Greg Matloff . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...
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Ссылки http://www.aaa.org/lectures/lecture-series-2010-2011/lecture-series-2010-2011-greening-the-earth-using-space-resources-by-greg-matloff/ -- 100.9 Кб -- 10.04.2016
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11. astro-ph
... astro-ph . ... Statistical Characterization of the Chandra Source Catalog . ... The first release of the Chandra Source Catalog (CSC) contains ~95,000 X-ray sources in a total area of ~0.75% of the entire sky, using data from ~3,900 separate ACIS observations of a multitude of different types of X-ray sources. ... In addition to these traditional catalog elements, for each X-ray source the CSC includes an extensive set of file-based data products that can be manipulated interactively. ...
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Ссылки http://vo.astronet.ru/arxiv/?get_articles=1&author=He -- 15.7 Кб -- 13.04.2016
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12. Unusual Emission near a Compact Source in Orion
... One striking feature is a small source of almost pure H 2 line emission, which is located near one of the compact sources in Orion reported by O'Dell and collaborators (HST-18 = 203-504). ... H-H objects, Proplyds, Orion Bar, H 2 . ... We obtained a series of images across the bright rim of the Orion Bar near the peaks of mm-wave molecular line emission with NICMOS cameras 1-3 (NIC1, NIC2, NIC3) in several filters on 1998 February 18. ... The suggestion of an H-H object does not seem compelling. ...
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Ссылки http://www.stecf.org/conferences/sardinia/node23.html -- 19.0 Кб -- 12.06.2006
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13. On line Resources
... General information . ... Staff . Research staff . Technical, administrative & librarian staff . ... Staff in alphabetic order . Research . ... Solar physics . ... Information . Resources and catalogs . ... Historical highlights . Historical research . Historical archive . ... Online resources . Friends of Arcetri . ... NSSDC - National Space Science Data Center . ... a rXiv e-Prints archive . ... High Energy Astrophysics Science Archive Research Center . ...
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Ссылки http://www.arcetri.astro.it/en/services/library/resources-and-catalogs/198-services/library/370-on-line-resources -- 29.5 Кб -- 11.04.2016
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14. 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 . ...
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Ссылки http://zebu.uoregon.edu/energy.html -- 6.5 Кб -- 05.04.2000
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15. lsst.tcc: python/tcc/parse/getPVTPxPMRadVel.py Source File
lsst.tcc љ 1.2.2-3-g89ecb63 . ... Files . ... python . ... parse . getPVTPxPMRadVel.py . ... 15 љ and the following qualifiers: /Distance /Px /PM /RV. 16 љ . ... 19 љ @param[in] defTAI TAI date to use if time not specified (MJD, seconds) . ... 25 љ - /Distance and /Px are both specified . ... 31 љ if not parsedCmd.qualDict[ "distance" ].boolValueDefaulted: . 32 љ raise CommandError( "Must specify new position to specify /Distance" ) . ... tcc.parse.getPVTPxPMRadVel.getPVTPairPxPMRadVel . ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/TCC/html/get_p_v_t_px_p_m_rad_vel_8py_source.html -- 19.3 Кб -- 14.09.2015
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16. VISTA - Visible and Infrared Survey Telescope for Astronomy
... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...
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17. VLBApls source sample
... The VSOP Survey Continuum Source List . The radio sample for the VSOP continuum survey was defined to include all extragalactic radio sources with: . a total flux density at 5 GHz, S>=1.0 Jy . ... The sample also included all sources in the sky with a 5 GHz flux density S>5 Jy, regardless of spectral index and galactic latitude. ... The source would then be included in the VSOP sample (three of the sources were found with a flux density above 1 Jy and added to the sample). ...
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Ссылки http://www.vsop.isas.ac.jp/VLBApls/sample.htm -- 4.1 Кб -- 17.10.2000
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18. Radio sources identfification
... LABORATORY OF RADIO ASTRONOMICAL OBSERVATIONS . Radio sources identification is one of the most important tasks of the current radio astrophysics. ... Optical idetification. ... Optical identifications of subsample of steep spectra radio sources from RC catalog using 6m SAO telescope of SAO RAS: optical observations. ... Astronomy Reports. ... Identification of radio sources with data of various radio catalogs allows one to construct continual spectrum of the object and its radio structure. ...
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Ссылки http://mavr.sao.ru/hq/lran/vo/rs_idE.html -- 8.9 Кб -- 02.10.2012
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19. Effect of sources evolution on
... 172 ] Briefly, the count rate at the detector from a source at a redshift z is . ... Figure 55 shows the ``Green functions'' for the double compact binary merging rate evolution assuming no collapse anisotropy. ... Another way that diverse peculiarities in the - distribution induced by the sources evolution could arise is connected with a possible non-monotonic character of the star formation rate in galaxies. ... 22 ] Figure 56 shows two-dimensional cuts through the parameter space. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node98.html -- 16.9 Кб -- 29.03.1997
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20. Stellarium: core/renderer/GenericVertexTypes.hpp Source File
Stellarium 0.12.3 . ... Renderer . FileљStructure . ... core . ... 29 љ Vec2f position; . ... 32 љ VertexP2 ( const Vec2f position) : position(position) {} . ... 43 љ Vec2f texCoord; . ... 46 љ VertexP3T2 ( const Vec3f & position, const Vec2f texCoord) . ... 50 љ VertexP3T2 ( const Vec2f pos, const Vec2f texCoord) . ... 64 љ VertexP3T2C4 ( const Vec3f & position, const Vec2f texCoord, const Vec4f & color) . ... 68 љ VertexP3T2C4 ( const Vec2f pos, const Vec2f texCoord, const Vec4f & color) . ...
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Ссылки http://astro.uni-altai.ru/~aw/stellarium/api/GenericVertexTypes_8hpp_source.html -- 15.1 Кб -- 28.02.2014
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