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1. APOD: October 8, 1996 - ROSAT Explores The X-Ray Sky
... October 8, 1996 . ROSAT Explores the X-Ray Sky . ... Explanation: Launched in 1990, the orbiting ROSAT observatory explored the Universe by viewing the entire sky in x-rays - photons with about 1,000 times more energy than visible light . This ROSAT survey produced the sharpest, most sensitive image of the x-ray sky to date. The all-sky image is shown with the plane of our Milky Way Galaxy running horizontally through the center. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap961008.html -- 5.2 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ViaLattea/xallsky_rosat_big.html -- 5.1 Кб -- 02.03.2001
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ViaLattea/xallsky_rosat_big.html -- 5.1 Кб -- 02.03.2001
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2. ROSAT Explores The X-Ray Sky
... ROSAT Explores The X-Ray Sky . ... Credit: S. Digel and S. Snowden ( GSFC ), ROSAT Project , MPE, NASA Explanation: Launched in 1990, the orbiting ROSAT observatory explored the Universe by viewing the entire sky in x-rays - photons with about 1,000 times more energy than visible light . ... The all-sky image is shown with the plane of our Milky Way Galaxy running horizontally through the center. ... Over large areas of the sky a general diffuse background of x-rays dominates . ...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/1996-10-08 -- 14.1 Кб -- 05.10.2003
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3. 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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4. APOD: 2000 August 19 - ROSAT Explores The X-Ray Sky
... 2000 August 19 . ROSAT Explores The X-Ray Sky . ... Explanation: Launched in 1990, the orbiting ROSAT observatory explored the Universe by viewing the entire sky in x-rays -- photons with about 1,000 times more energy than visible light. This ROSAT survey produced the sharpest, most sensitive image of the x-ray sky to date. The all-sky image is shown with the plane of our Milky Way Galaxy running horizontally through the center. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap000819.html -- 5.5 Кб -- 01.10.2012
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5. Analysis of very bright sources
XMM-Newton Science Analysis System . ... A different approach is done via the setting withctisrcpos =Y: all event energy corrections do not use the actual RAWY coordinate but the corresponding RAWY location of the source ( SRCPOS ) as determined by the task epframes (either automatically or via setting withsrccoords =Y). ... The task epchain may be used with the setting ccds =4 withctisrcpos =Y to process only the CCD 4 where usually the bright source is located that causes the Out-of-Time events. ...
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Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/epevents/node8.html -- 4.7 Кб -- 02.07.2008
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6. Astronomy articles, forums, listings, and other resources about Astronomy.
... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...
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Ссылки http://www.astronomy.net/meteors/ -- 24.4 Кб -- 09.04.2016
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7. http://www.mrao.cam.ac.uk/galevol/best_longairconf_2013.pdf
... Sunday , October 6, 2013 Standard quasar-like AGN Standard AGN have: · · · · · Luminous accretion disk (with X-ray corona) Bright line emission (ionised by disk) Dusty obscuring torus (emits in IR/sub-mm) Orientation-dependent observed properties Sometimes, extended radio jets Sunday , October 6, 2013 Another class of AGN Other AGN , exemplified by weak radio ... Sunday, October 6, 2013 Summary · · · · · · Not all AGN follow the "standard" accretion disk picture. ...
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Ссылки http://www.mrao.cam.ac.uk/galevol/best_longairconf_2013.pdf -- 1111.3 Кб -- 06.10.2013
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8. Scientific Interests
The Variable Gamma-Ray Source 2CG 135+01 ApJ, 497:L89-L91, 1998 7 h gamma AGN variability . gamma-radio-AGN-variability ADS query . ... Model for the High-Energy Emission from Blazars 1993ApJ.. ... Possible Production of High-Energy Gamma Rays from Proton Acceleration in the Extragalactic Radio Source Markarian 501 astro-ph/9803241 K.Mannheim . ... A theoretical unifying scheme for gamma-ray bright blazars astro-ph/9807317 G. Ghisellini, A. Celotti, G. Fossati, L. Maraschi, A. Comastri . ...
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Ссылки http://xray.sai.msu.ru/~galja/references/gamma_AGN.html -- 16.4 Кб -- 25.10.1998
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9. ASP: Family ASTRO: Resource Lists and Background Reading
Family ASTRO Event Leaders can follow the links below to find a number of resources and more background reading to help them with their Astronomy Events and expand their knowledge on the topics covered in our series of Leader Kits for educators. ... Print and Web Resources on the Night Sky . ... If you have questions about Family ASTRO, see our Frequently Asked Questions for Educators and Astronomers page , or our Frequently Asked Questions for Families and Friends page. ...
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Ссылки http://www.astrosociety.org/edu/family/resources/resources.html -- 7.0 Кб -- 02.10.2012
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10. http://www.stsci.edu/institute/itsd/information/streaming/archive/IWPSS2006/AndrewCarrel102406Hi_supporting/AndrewCarrel102406.pdf
Adaptive Resource Modelling for Autonomous Planning & Scheduling Andrew Carrel, Phil Palmer Surrey Space Centre, University of Surrey, UK 5th International Workshop on Planning and Scheduling for Space Baltimore, 24th October 2006 Contents Resources types in operations planning. The NEAT planner/scheduler. ... Neural network resource modelling. ... Adaptive Resource Modelling 2 IW PSS, October 2006 Planning with Resources User goals achieved by operations. ... NEAT manages resources effectively. ...
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Ссылки http://www.stsci.edu/institute/itsd/information/streaming/archive/IWPSS2006/AndrewCarrel102406Hi_supporting/AndrewCarrel102406.pdf -- 246.1 Кб -- 25.09.2012
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11. http://hea-www.harvard.edu/AstroStat/Stat310_1213/dj_20130416.pdf
... RJMCMC Similar to Richardson Green 1997 Knowledge of the PSF makes things easier Insensitive to e.g. posterior for ten sources with = 3: Number of Components 9 10 11 12 0.141 0.222 0.220 0.157 0.022 0.029 0.027 0.021 Mean SD 7 0.029 0.018 8 0.058 0.019 13 0.082 0.014 Simulated Data Source region (2 SD) is about 28% of the area and contains about 41% of the observations Positions (-2, 0), (0, 1), (1.5, 0) with intensities ... Approximate the number of sources (2 in this case) 2. ...
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Ссылки http://hea-www.harvard.edu/AstroStat/Stat310_1213/dj_20130416.pdf -- 547.5 Кб -- 16.04.2013
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12. "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/magbase/REFMAN/EAMAGSPH/wteach.html -- 9.3 Кб -- 21.12.2007
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13. "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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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/Education/wteach.html -- 9.5 Кб -- 22.09.2005
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14. source comment
... The source exhibits a mas-scale structure which, according to the USNO multi-epoch monitoring at 2.3 and 8.4 GHz over the period from 1994 July through 1998 April, undergoes considerable changes in the brightness distribution and positions of the major structural features. Our image is qualitatively consistent with the structural pattern of the source. ... We note a difference of ~90 in position angles of secondary components in our image and the 5 GHz VLBI image by Shen et al. 1998). ...
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Ссылки http://www.vsop.isas.ac.jp/VLBApls/J0457-2324.comment.htm -- 2.3 Кб -- 16.10.2000
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15. 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://jet.sao.ru/hq/lran/vo/rs_idE.html -- 8.9 Кб -- 01.10.2012
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16. 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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17. http://www.atnf.csiro.au/research/AT20G/at20g.ReadMe
... This file at20gcat.dat 140 5890 The AT20G Catalogue, Version 1.0 (2009-10-15) -------------------------------------------------------------------------------- See also: J/MNRAS/384/775/ AT20G : Australia Telescope 20GHz ( AT20G ) Survey: Bright Source Sample (Massardi+ 2008) Byte-by-byte Description of file: at20gcat.dat --------------------------------- ... Note (2): The mean uncertainty in Dec is 1.0 arcsec. ... Note (3): See Sec 3.3.2 for calculation of fluxes for extended sources. ...
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Ссылки http://www.atnf.csiro.au/research/AT20G/at20g.ReadMe -- 6.1 Кб -- 15.01.2012
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18. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B67B046B3-CAF9-4B5D-AA62-9790D6A092C7%7D
This all-sky image, constructed from 2 years of observations by NASA's Fermi Gamma-ray Space Telescope, shows how the sky appears at energies greater than 1 billion electron volts (1 GeV). Brighter colors indicate brighter gamma-ray sources. ... A diffuse glow fills the sky and is brightest along the plane of our galaxy (middle). Discrete gamma-ray sources include pulsars and supernova remnants within our galaxy as well as distant galaxies powered by supermassive black holes. ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B67B046B3-CAF9-4B5D-AA62-9790D6A092C7%7D -- 4.0 Кб -- 10.04.2016
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19. 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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20. Recreating Einstein Level One Processing Exposure Masks and Background Maps in
... This paper describes the main algorithms used by the Einstein Level One processing to create the exposure masks and the background maps for Einstein IPC images, and how these algorithms were recreated in the IRAF environment. Our goal was to recreate the algorithms used by the Level One Processing to create exposure masks and background maps for Einstein Image Proportional Counter (IPC) data (cf. sections 2.5 and 2.7 of Harnden et al. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/vanstoned.html -- 11.6 Кб -- 03.11.2000
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