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1. RBSC-NVSS SAMPLE. I. RADIO AND OPTICAL IDENTIFICATIONS
... astro-ph/0003002 We cross-identified the ROSAT Bright Source Catalog (RBSC) and the NRAO VLA Sky Survey (NVSS) to construct the RBSC-NVSS sample of the brightest X-ray sources (~0.1 counts s^{-1} ~= 10^{-12} ergs cm^-2s^-1 in the 0.1--2.4 keV band) that are also radio sources (S ~= 2.5 mJy at 1.4 GHz) in the 7.8 sr of extragalactic sky with |b| > 15deg and DEC > -40deg. ... We used the more accurate radio positions to make reliable X-ray/radio/optical identifications down to the POSS plate limits. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/doc/RBSC-NVSS.html -- 6.7 Кб -- 18.03.2015
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2. Chandra Images for G011.2-00.3
True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . ... 1988 ) . ... Radio Images Page . Link to Green's Catalog page . PDF version of this page : 1 column per page , 2 columns per 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 . ... see fit detail page for more about the fit. see chandra spectrum page for region used. ... True Color Image . ... 5.9" . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/ChandraSNR/G011.2-00.3/ -- 13.4 Кб -- 27.02.2014
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3. The completeness and reliability of threshold and false-discovery-rate source
The process of determining the number and characteristics of sources in astronomical images is so fundamental to a large range of astronomical problems that it is perhaps surprising that no standard procedure has ever been defined that has well understood properties with a high degree of statistical rigour on completeness and reliability. ... In this analysis we present results from testing such algorithms as implemented in the SExtractor, Selavy (Duchamp), and sfind tools on simulated data. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Matthew.Whiting/papers/html_abstracts/continuumSF_Minh.html -- 4.8 Кб -- 05.02.2013
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4. 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. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/6.1.0/doc/omsrclistcomb/node6.html -- 5.4 Кб -- 22.11.2004
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5. The 7C(G) survey
... Full details of the observations, data reduction and calibration of this survey, and the production of the 7C(G) compact source list, are described in Vessey & Green (1998, MNRAS, 294, 607) . ... b |<5њ, with a resolution of about 1.2 ? ... The survey consisted of 24 fields, spaced 3њ.5 in l , and alternating between b = +3њ and -3њ, but with a gap near l = 110њ. ... Please refer to the source list description for details of the entries ; the catalogue itself is available as: . ...
[ Сохраненная копия ]  Ссылки http://www.mrao.cam.ac.uk/projects/surveys/7C_G/ -- 8.7 Кб -- 05.04.2000
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6. Texas Survey of radio sources at 365MHz
The Texas survey of radio sources covering -35.5{deg} < {delta} < 71.5{deg} at 365MHz . ... We present the Texas Survey of discrete radio sources between -35.5deg and 71.5deg declination (B1950), which was carried out at 365MHz with the Texas Interferometer during 1974-1983. ... The Texas Survey . ... The sources in the simpler model. ... Right Ascension 1950 . ... field separator . ... Some sources came from Version 6 of the Texas Survey ('TS6' in strp field) or Version 7 ('TS7' in strp field) . ...
[ Сохраненная копия ]  Ссылки http://www.asc.rssi.ru/mdb/stars/8/8042.htm -- 39.0 Кб -- 08.10.1998
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7. 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). ...
[ Сохраненная копия ]  Ссылки http://www.vsop.isas.ac.jp/VLBApls/sample.htm -- 4.1 Кб -- 17.10.2000
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8. 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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9. CCD Position and Orientation on Sky
... The exact directions of the offsets are parallel to the rows and columns of the CCD on which the aperture is specified. ... It is often useful to explicitly specify the desired rotation of the WFPC2 field-of-view on the sky. ... Figure 7.8 shows the CCD orientation and aperture locations relative to the U3 axis. ... Obtain the Position Angle (PA) of the source axis on the sky, measured in the standard way, North through East. ... desired source angle in field-of-view measured CW from +U3 axis) . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/instrument-news/handbooks/wfpc2/W2_74.html -- 6.9 Кб -- 24.07.1996
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10. 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. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/lran/vo/rs_idE.html -- 8.9 Кб -- 02.10.2012
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/lran/vo/rs_idE.html -- 8.9 Кб -- 01.10.2012
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/lran/vo/rs_idE.html -- 8.9 Кб -- 01.10.2012
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11. Calibration Scans on Continuum Sources
Next: CORRELATOR BOARDS Up: OBSERVING PROCEDURES Previous: Frequency Switching . ... Continuum sources in the list used for flux density calibration were selected in an ad-hoc fashion from a variety of places, but primarily from Kuehr et al (A&AS, 45, 367, 1981), the compendium of linearly polarized sources by Tabara & Inoue (A&AS, 39, 379, 1980), and an unpublished list of unconfused calibrator sources prepared from the NVSS survey by Jim Condon and Qi Feng Yin. ... Board 0 . ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~astro/spectral_line/handbook/node12.html -- 12.5 Кб -- 20.03.2002
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12. The same source code used for Fortran 77 and Fortran 90?
This is possible if you do it in the following way, that is if you use the new continuation sign "&" at the end of the old line, but in position 73 so that it doesn't conflict with Fortran 77, and also choose the "&" sign as the almost arbitrary character in column 6, in order to get continuation according to Fortran 77. ... Comments are an incompatibility problem between Fortran 77 and Fortran 90, but of course not between fixed and free forms of Fortran 90 since the "!" is permitted in both. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/f77to90/c5.html -- 3.0 Кб -- 10.02.1996
[ Сохраненная копия ]  Ссылки http://crydee.sai.msu.ru/f90/c5.html -- 3.0 Кб -- 10.02.1996
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13. The Cross-correlations
... The actual cross-correlations were done as follows: north of WGACAT was correlated with the GB6 catalog with a correlation radius of one arc minute. ... We therefore cross-correlated WGACAT with the GB6 and PMN radio catalogs with a 1.5 arcmin radius. ... As a result of this experiment, we then added to the WGACAT/PMN candidate list the 29 unclassified sources obtained from the 1.5 arcmin correlation and having PSPC offsets arcmin, ratio between X-ray/radio offset and positional error , and . ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~ppadovan/survey/dxrbs_paper/node5.html -- 11.3 Кб -- 03.12.2003
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14. 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. ...
[ Сохраненная копия ]  Ссылки http://vo.astronet.ru/arxiv/?get_articles=1&author=He -- 15.7 Кб -- 13.04.2016
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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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16. 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) . ...
[ Сохраненная копия ]  Ссылки http://astro.uni-altai.ru/~aw/stellarium/api/GenericVertexTypes_8hpp_source.html -- 15.1 Кб -- 28.02.2014
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17. lsst.tcc: python/tcc/mov/checkSegment.py Source File
lsst.tcc љ 1.2.2-3-g89ecb63 . ... Files . FileљList . ... python . ... mov . checkSegment.py . ... 11 љ @param[in] pA position of starting point at time t = 0 . ... 13 љ @param[in] pB position of ending point at time t = dt . ... 16 љ @param[in] doPos log test position? . ... 20 љ @param[in] axisLim axis limits (a tcc.base.AxisLim) . ... 36 љ Even if you request that position limits be checked, some paths . ... 63 љ # check position limits; expand the limit to include the starting position . ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Telescopes/TCC/html/check_segment_8py_source.html -- 20.2 Кб -- 14.09.2015
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18. Astronomy Picture of the Day's Educational Links
What follows is a list of resources that excel in astronomy education. ... We believe the list is topologically complete in that there are no publicly advertised astronomy resources on the WWW that cannot be found by following the internal links of these resources. ... How Astronomy Picture of the Day (APOD) is being used as a learning tool by teachers and students. ... Bad Astronomy Blog . ... Dr. Jeff's Blog on the Universe . ... Detailed pictures and explanations of Hubble Space Telescope results. ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/lib/edlinks.html -- 6.4 Кб -- 10.04.2016
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19. Program parameters
Next: Program use Up: Description of program searchdup Previous: Description of program searchdup . Parameter input is done with a graphic user interface. ... Input file: Name of the input catalog file. It has to be formatted, one record per source/observation, according to the format used in the Arcetri observations and source archives. ... Minimum number of observations per source Source with less than this number of independent observations are not included in the output file . ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/science/Radio/red/searchdup/node2.html -- 8.0 Кб -- 30.06.2000
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20. ASP: Astronomical Pseudo-science: A Skeptic's Resource List
home education > resources . SEARCH ASP SITE: Match ALL words Match ANY word . ... Astronomy Education Bibliography . ... Astronomical Pseudo-Science . ... Astronomy of Many Cultures Resource Guide . ... Black Holes: An Introductory Resource List . ... Astronomy Education Review . Space Science Education Resource Directory . ... This is a selected list of resources for those who want to examine with a skeptical eye some of the claims at the fringes of science that seem connected to astronomy. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/resources/pseudobib.html -- 21.3 Кб -- 02.10.2012
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