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http://hea-www.harvard.edu/ChandraSNR/G001.9+00.3/.
http://hea-www.harvard.edu/ChandraSNR/G001.9+00.3/.
1. Chandra Images for G326.3-01.8
True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . ... Position of Central Source (J2000) : ( 15 52 12.7, -56 18 58.5 ) . ... Radio Images Page . ... Exposure uf . ... 1965 . ... Exposure uf Exposure time of unfiltered event file . Exposure f Exposure time of filtered event file . images and spectra only for central region . ... Event 2 FITS File . ... AUX file . ... 12.7 MB . ... see fit detail page for more about the fit. see chandra spectrum page for region used. ...
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Ссылки http://hea-www.harvard.edu/ChandraSNR/G326.3-01.8/ -- 10.8 Кб -- 27.02.2014
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2. Appendix B: Point Source SNR Plots
In this section we present plots which may be used to rapidly estimate signal-to-noise ratio (SNR) for point sources with stellar spectra observed through popular WFPC2 filters. ... One uses these plots as follows: . ... Dotted lines across the top of each plot indicate the onset of saturation. ... We look at Figure B.10 and find this value on the horizontal axis. ... This exposure is well below the saturation lines in the plot, so saturation is not a concern. ... 0.45 Figure B.1: Point Source SNR vs. ...
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Ссылки http://www.stsci.edu/instruments/wfpc2/Wfpc2_hand_current/ch999_appendix_b_snr.html -- 26.7 Кб -- 06.11.2007
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3. Point-like Sources
... When the source-detection algorithms has run omdetect will compute raw count-rates for each detected source. For point-sources (ie those sources having widths consistent with those of the point-spread function) the count-rates are obtained by aperture photometry. For binned and unbinned images the aperture is 6 and 12 pixels, respectively. ... Extrapolate (if necessary) the source count-rate to the 12 unbinned pixel aperture, using the point-spread function for the filter. ...
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Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/omdetect/node40.html -- 7.0 Кб -- 22.10.2008
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4. 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
[ 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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[ 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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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. 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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7. A fast-scan extragalactic source survey at 4.755 GHz
... 88, Jan. 1983, p. 1-15. l. A survey of extragalactic radio sources made using driven declination scans is reported covering an area of about 0.07 sr to a limiting flux density of 35 mJy. The fast-scan survey was carried out at a galactic latitude greater than 17 deg with the NRAO 91-m telescope operating at 4.755 GHz, and the 480 sources detected were reobserved at 1.4 GHz with the National Astronomy and Ionosphere Center 305-m telescope at Arecibo. ...
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Ссылки http://www.sao.ru/cats/doc/SRC_Owen.html -- 5.2 Кб -- 18.03.2015
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8. Planetary Picture List
These pages collect together references to many pictures of the solar system that can be found on the Net. ... Since I originally compiled this list the number of relevant images has grown tremendously. ... http://www.jpl.nasa.gov/pictures/ . ... ftp://dftnic.gsfc.nasa.gov/images/gifs/ . ... http://www.jpl.nasa.gov/galileo/images.html . http://www.jpl.nasa.gov/magellan/images.html . ... http://nssdc.gsfc.nasa.gov/image/planetary/ . ... NASA Image Access Homepage (Planetary Photojournal) . ...
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Ссылки http://www.iki.rssi.ru/nineplanets/picturelist.html -- 10.3 Кб -- 07.05.1999
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9. casacore: casa/Logging/LogSinkInterface.h Source File
... Files . ... File List . ... casa . Logging . ... Sink from its common usage ("source/sink") as a thing 00055 // which can accept some substance or energy. ... 00105 LogSinkInterface ( const LogFilterInterface filter ); 00106 00107 // Copy semantics - copy the filter from src other / src to src this / src 00108 // group 00109 LogSinkInterface ( const LogSinkInterface other); 00110 LogSinkInterface operator= ( const LogSinkInterface ); 00111 // /group 00112 00113 ...
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Ссылки http://www.atnf.csiro.au/computing/software/casacore/casacore-1.2.0/doc/html/LogSinkInterface_8h_source.html -- 28.1 Кб -- 14.02.2011
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10. pdev_birdies_25jun07
... noise (a/d rms=43 counts) , and noise (43 counts) + sine waves (31 + 35MHz) with a/d rms=150 counts. ... Dana's noise source with a -4db sine wave at 31MHz and 35 MHz. ... Page 1: dana's noise source with A/D rms of 43 noise counts + sine waves of 31 and 35 MHz (which are digitally mixed to 1,5 MHz). ... The rms of the output data was 1274 counts (with an output shift enable of 7). the top plot is linear while the bottom plot has a db scale. ... Page 4: danas noise source with A/D rms of 43 counts. ...
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Ссылки http://www.naic.edu/~phil/hardware/rdev/filterShape_07mar08.html -- 4.5 Кб -- 08.03.2008
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11. "Exploration" as a Classroom Resource
... a) As source material for the high-school or college curriculum, especially in physics. astronomy and their history. (b) As a source of supplemental projects by high school students or by undergraduates. (c) As material for independent studies, In particular by motivated students who seek to know more about space . ... Those wishing to look up specific topics are advised to use the index file, accessible from the end of any "Exploration" file. ... files not listed and at other resource material. ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/Education/wteach.html -- 9.5 Кб -- 21.12.2007
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/Education/wteach.html -- 9.5 Кб -- 22.09.2005
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12. 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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13. Fast search through RTT150 data archive
RTT150 . ... This search system is designed for generating the necessary information on series of pointings (observations of each source consist of sets of exposures with different filters and sometimes with different exposure times) for observed sources. Search results appear at the separate page as a table with the following data: . DATE - real (not evening!) observations date (in YYYY-MM-DD format); . ... Bin - minimal CCD binning mode (may vary during the observations); . ...
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Ссылки http://hea.iki.rssi.ru/AZT22/ENG/fsearch.htm -- 9.7 Кб -- 10.07.2008
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14. SIMBA image of the infrared source IRAS 17271-3439 | ESO
... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . Travel to ESO Headquarters . ... Green ESO . ... Survey Telescopes . ... Images . ... Usage of ESO Images and Videos . ... Usage of ESO Videos and Images . ... ESO Science Newsletter . ... Astronomy Communication Resources . ... This SIMBA image is centered on IRAS 17271-3439 and includes an extended bright source that is associated with several compact HII regions as well as a cluster of weaker sources. ...
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Ссылки http://www.eso.org/public/images/eso0131c/ -- 89.9 Кб -- 10.04.2016
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15. lsst.tcc: python/tcc/cmd/showInstrument.py Source File
lsst.tcc љ 1.2.2-3-g89ecb63 . ... Files . ... python . ... cmd . showInstrument.py . ... 35 љ kwStrs.append( "Inst=%s; InstPos=%s; GCView=%s" % ( . ... 48 љ kwStrs.append( "IImScale=%0.4f, %0.4f; IImCtr=%0.2f, %0.2f; IImLim=%0.2f, %0.2f, %0.2f, %0.2f" % ( . ... 61 љ kwStrs.append( "GImScale=%0.4f, %0.4f; GImCtr=%0.2f, %0.2f; GImLim=%0.2f, %0.2f, %0.2f, %0.2f" % ( . ... 69 љ kwStrs.append( "GImScale=NaN, NaN; GImCtr=NaN, NaN; GImLim=NaN, NaN, NaN, NaN" ) . ... tcc.cmd.showFocus.showFocus . ...
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Ссылки http://www.apo.nmsu.edu/Telescopes/TCC/html/show_instrument_8py_source.html -- 23.7 Кб -- 14.09.2015
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16. G315.4-2.3
... Flux density at 1 GHz (/Jy): 49 . ... Notes: Possibly the remnant of the SN of AD 185? ... Optical: Bright, radiative filaments, with some faint Balmer dominated filaments. X-ray: Partial shell, with thermal and non-thermal emission. ... Distance: Optical observations imply 2.3 kpc. ... 1973, ApJS, 26, 19. Optical observations. ... Leibowitz & Danziger 1983, MNRAS, 204, 273. ... Einstein observations ADS . ... Chandra observations. ... X-ray and optical observations of compact X-ray sources. ...
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Ссылки http://www.mrao.cam.ac.uk/projects/surveys/snrs/snrs.G315.4-2.3.html -- 9.1 Кб -- 10.04.2016
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17. Open Source Convention
. Previous . Next . Because an index has not been defined, the previous query is searching using a sequential scan over each row. This will be slow for large tables. Seq Scan on ts_readme (cost=0.00..7.63 rows=1 width=89) (actual time=0.117..0.391 rows=11 loops=1) Filter: (ts_vec @@ '\'databas\' | \'queri\''::tsquery) Total runtime: 0.516 ms
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Ссылки http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/docs/oscon_tsearch2/readme_overview_06.html -- 2.8 Кб -- 22.12.2007
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18. ASP: Black Holes: An Introductory Resource List
home education > resources . ... Resources . ... Astronomy Education Bibliography . ... Black Holes: An Introductory Resource List . ... http://hubblesite.org/explore_astronomy/black_holes/home.html . ... The Universe in the Classroom (The ASP's Newsletter on Teaching Astronomy) Issue on Black Holes by John Percy: . ... For a set of black hole information guides and demonstration activities from the ASP's and JPL's Night Sky Network, click on the link below and check the box on black holes: . ...
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Ссылки http://www.astrosociety.org/edu/resources/blackholes4.html -- 20.3 Кб -- 02.10.2012
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19. Radiopulsars as Sources of Cosmic Rays
Next: Population Synthesis of X-ray Up: Cosmic Rays and Evolution Previous: Supernova Explosions . Immediately after the discovery of pulsars, especially of the Crab pulsar, it became clear that rapidly rotating NS are copious sources of relativistic particles. ... Figure 37: Evolution of magnetorotational energy of NS in elliptical and spiral galaxies. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node71.html -- 5.4 Кб -- 03.03.1997
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20. Other WWW Astronomy Resources
... Space Organizations . Image Archives . ... Space Related Software Archives . ... Net Resources . ... National Solar Observatory Public Relations . NASA Historical Space Archive . ... NASA Home Page . NASA/Kennedy Space Center . ... SETI Institute Home Page . ... NASA Image eXchange (NIX) . ... NASA Solar Data Analysis Center . ... Selected Deep Space Images . ... Software from explorer.arc.nasa.gov . ... Space Settlement Home Page . ... Overview of Space Resources at CERN . ...
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Ссылки http://www.iki.rssi.ru/solar/eng/net.htm -- 8.2 Кб -- 15.10.1997
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/net.htm -- 9.1 Кб -- 15.03.1998
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/net.htm -- 9.1 Кб -- 15.03.1998
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