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1. Huge Void Implicated in Distant Universe
... Huge Void Implicated in Distant Universe . ... Credit Copyright: Bill Saxton, NRAO , AUI , NSF NASA Explanation: What has created this huge empty area in the universe? ... The void's existence is being postulated following scientific curiosity about how unusually cold spots came to appear on WMAP's map of cosmic microwave background (CMB) radiation. ... An artist's depiction of the huge cosmic void is shown above . ... The CMB Cold Spot . ... Cosmic Ripples Implicate Dark Universe . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1223246 -- 15.6 Кб -- 27.08.2007
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2. APOD: 2007 August 27 - Huge Void Implicated in Distant Universe
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2007 August 27 . Huge Void Implicated in Distant Universe . Drawing Credit: Bill Saxton, U. Minnesota , NRAO , AUI , NSF NASA . ... The void's existence is being postulated following scientific curiosity about how unusually cold spots came to appear on WMAP's map of cosmic microwave background (CMB) radiation. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap070827.html -- 6.0 Кб -- 02.10.2012
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3. A collection of images
... The TRACE images may be used without restrictions in publications of any kind. ... These two images, taken on 18 November 2000 at 15:54UT and 16:11UT, respectively, show such an event: the red circle in the image to the left shows a region where many loops are cooling, with bright loop tops (the intensity scales with the square root of the image to reduce the dynamic range). ... See also a collection of images related to the Sun, other cool stars, and solar-terrestrial effects . ... Images | ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sun/T171_20001101_101547.html -- 13.0 Кб -- 28.12.2000
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4. http://www.stsci.edu/ftp/science/m87/press.txt
EMBARGOED UNTIL: 9:20 AM CST, January 6, 1999 CONTACT: John Biretta Space Telecsope Science Institute, Baltimore, MD (Phone: (410) 338-4917; Internet: biretta@stsci.edu) HUBBLE DETECTS FASTER-THAN-LIGHT MOTION IN GALAXY M87 Astronomers reported today discovering clouds which appear to move many times faster than the speed of light, shooting out from the region of a black hole at the center of the M87 galaxy. ... It's an illusion created by the finite speed of light and rapid motion," Biretta said. ...
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Ссылки http://www.stsci.edu/ftp/science/m87/press.txt -- 6.7 Кб -- 05.01.1999
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5. http://xmm.vilspa.esa.es/sas/6.5.0/doc/backcorr.ps.gz
XMM-Newton Science Analysis System Page: 1 backcorr August 16, 2005 Abstract backcorr makes a background spectrum appropriate to the accumulation region used for a given source spectrum. The task calls arfgen twice; once for the source region and once for the background region. ... EPIC backcorr corrected background spectrum [1] 8 Algorithm subroutine backcorr Arfgen computes the effective area curves for both the source (arf_in_src.arf) and background (arf_in_bkg.arf) regions. ...
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Ссылки http://xmm.vilspa.esa.es/sas/6.5.0/doc/backcorr.ps.gz -- 50.7 Кб -- 16.08.2005
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6. LMC HII Region Luminosities versus Observed Ionizing Stars
... About ATNF overview . ... Australia Telescope Steering Committee . ... LMC H II Region Luminosities versus . Observed Ionizing Stars . ... These values are compared to the observed H II region luminosities, yielding an estimate for the mean fraction of H-ionizing photons that escape the local nebulae in this sample. We formally estimate that, overall, 0-51% of the ionizing radiation escapes the local H II regions and is available to ionize the warm, ionized medium in the LMC. ...
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Ссылки http://www.atnf.csiro.au/pasa/15_1/oey/paper/index.html -- 51.7 Кб -- 08.04.2016
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7. Phil Plait's Bad Astronomy: Bitesize Astronomy
... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...
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Ссылки http://www.badastronomy.com/bitesize/jetplane.html -- 21.9 Кб -- 09.04.2016
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8. Astronomy Electronic Preprints and Publications
... Circumstellar disc of beta Pictoris: constraints on grain properties from polarization. To appear in the Astronomy & Astrophysics . abs , src , ps ] . ... Dust influx to Titan from Hyperion . ... abs ] . ... Characteristics of bulges and disks in interacting galaxies . ... Dust grains around Herbig Ae/Be stars: porous, cometary-like grains? ... To appear in the Astronomy & Astrophysics Supplement . ... Finally, Links may lead you to more options (e.g. via the LANL preprint system). ...
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Ссылки http://www.astro.spbu.ru/staff/ilin2/E-PREP/e-prep.html -- 9.9 Кб -- 19.11.2010
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9. Solar Energetic Particles
We cannot observe the way the distant universe accelerates cosmic rays or produces energetic photons, but acceleration processes also occur on our Sun , though on a much more moderate scale. ... That is why such events are often missed by cosmic ray detectors near the equator, where the lowest energies are excluded by the Earth's magnetic field. The best detectors for observing solar particles are therefore those sensitive to the lowest energies of the cosmic radiation. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wsolpart.html -- 8.6 Кб -- 21.12.2007
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10. Sunspots and active regions August 09, 2014
... Sun images . ... Active areas . August : 2014 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Beta . ... Coordinates and other characteristics of active regions are issued for August 09, 2014 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for August 09, 2014 00:31 UT . ...
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Ссылки http://www.tesis.lebedev.ru/en/active_areas.html?m=8&d=9&y=2014 -- 26.7 Кб -- 11.04.2016
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11. The AstroStat Slog PDF
... Posts tagged ?PDF? ... Probability density functions are another way of summarizing the consequences of assuming a Gaussian error distribution when the true distribution is Poisson. ... The figure below ( AAS 472.09 ) compares the pdfs for the Poisson intensity (red curves) and the Gaussian equivalent (black curves) for two cases: when the number of counts in the source region is 50 (top) and 8 (bottom) respectively. ... Tags: background , gaussian , PDF , Poisson . ... ArXiv] 4th week, Nov. 2007? ...
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Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/tag/pdf/index.html -- 25.7 Кб -- 01.03.2014
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12. Why do Radiopulsars not Usually Form Pairs with Normal Stars?
Next: Caverns in Binary Systems Up: Ejectors in Massive Binary Previous: The Number of Ejectors . In the very first years after the discovery of radiopulsars, it became clear that for some reason they avoid forming binary systems. ... Illarionov and Sunyaev (1975)[ 76 ] noted the fact that coherent radiowaves with a wavelength longer than 75 cm, which make it possible to observe most of the radiopulsars, are absorbed effectively in the stellar wind of a normal star. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node54.html -- 7.3 Кб -- 26.02.1997
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13. publications
... Extended Narrow-line Emission in the Bright Seyfert 1.5 Galaxy HE 2211-3903 Scharw chter, J. , Dopita, M.A., Zuther, J., Fischer, S., Komossa, S., Eckart, A. 2011, AJ, v. 142, Issue 2, August 2011, pp. ... The nearby QSO host I Zw 1: the stellar disk and adjacent objects Scharw chter, J. , Eckart, A., Pfalzner, S., Saviane, I., Zuther, J. 2007, A , v. 469, Issue 3, July III 2007, pp. ... Krips, M., Eckart, A., Neri, R., Zuther, J., Downes, D. Scharw chter, J. 2005, A , v. 439, Issue 1, pp. ...
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Ссылки http://www.mso.anu.edu.au/~julia/journals.html -- 5.0 Кб -- 01.10.2012
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14. Chains and CMEs
Solar Large-Scale Chains: Some Events . ... The chains appear to light up separators or quasi-separatrix layers between different interacting large-scale magnetic flux systems in the global solar magnetosphere and, in particular, to outline large-scale coronal structures involved in the CME process. ... Some features of the chains and their relations to CMEs are illustrated for a number of halo CME-associated events. 23 events of 1997-2000 . ... Halo-CME-associated events of November 1997 . ...
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Ссылки http://www.izmiran.rssi.ru/~ichertok/Nov_1997/default.html -- 8.4 Кб -- 22.03.2001
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15. astro-ph
... astro-ph . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . ... Quasar Variability in the Framework of Poissonian Models . ... It is shown that in this very general framework the well established anti-correlation between variability amplitude and wavelength can only be understood as an effect of an underlying spectral component which remains stable on long time-scales, and is redder than the variable component. ...
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Ссылки http://vo.astronet.ru/arxiv/?get_articles=1&author=Jr -- 12.6 Кб -- 06.02.2013
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16. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B78CD630D-C628-450D-B70F-3DF9E53A29CD%7D
The red colors in this image show the galaxy M66 as it appears at the submillimeter wavelength of 850 microns, while the white background shows the galaxy as it appears in visible light. Regions of cold dust that appear as dark streaks in the white image glow brightly in the red image. ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B78CD630D-C628-450D-B70F-3DF9E53A29CD%7D -- 3.9 Кб -- 10.04.2016
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17. Photo album: Japan: Kyoto and Nara, August 1997
... Day-by-day lines contain complete set and intended for those who have been there (I mean, in Kyoto :) . ... Large format is mainly for 1600x1200 screens and fast link (pictures are up to 150K in size). Normal is for typical 1024x768 screen (i.e. 15" monitors). ... Photos look incredible on it. ... Large . ... Normal . ... Thumbnails . ... Contents with thumbnails: Large | ... Nara, one of the historical cities of Japan . ... August 17, Sunday. ... Nara. ... return to photo album contents | ...
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Ссылки http://crydee.sai.msu.ru/photo/japan/ -- 9.3 Кб -- 10.05.1998
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18. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Noctilucent clouds as photographed by Mark Bailey from Lisdoart on 14th July 2006 at 11.30 pm. ... These so-called noctilucent (night glowing) clouds (NLCs), are formed by sunlight reflecting off ice crystals high in the atmosphere, and usually appear in the northwest, through north to northeast during twilight in the late spring and summer months at our latitude. ...
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Ссылки http://star.arm.ac.uk/press/2006/NLC170706_pr.html -- 7.5 Кб -- 09.03.2010
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19. http://zebu.uoregon.edu/1999/ph161/mflood.html
... a major flood of the entire Upper Mississippi River basin which resulted in very wide spread agricultural and commercial damage. On August 10, an enormous plume of turbid river water was detected extending eastward from the Mississippi River delta region. River water discharged on the western side of the delta flowed eastward around the south side of the delta, joining additional river water discharged from passes on the south and east sides of the delta. ...
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Ссылки http://zebu.uoregon.edu/1999/ph161/mflood.html -- 2.6 Кб -- 23.02.1999
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20. Fabry-Perot Interferometer: Gallery Old
... Here some data observed on the 6m telescope with IFP installed in the OLD focal reducer are presented. ... Mkn 3: velocity field . ... NGC 5252: [OIII] image . ... NGC 5252 was observed 23 Feb. 1998 in the [OIII]5007 emission line with CCD TK1024 as detector. ... We observed the ionized gas velocity fields of the spiral galaxies with two purpose. ... Restored velocity field of NGC 157 in the reference frame rotating with the pattern speed overlaid on the Ha image of the galaxy . ... NGC 4100 . ...
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Ссылки http://mavr.sao.ru/hq/lsfvo/devices/scorpio/galleries/gal_ifp.html -- 9.9 Кб -- 28.12.2007
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/lsfvo/devices/scorpio/galleries/gal_ifp.html -- 9.9 Кб -- 11.09.2010
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/lsfvo/devices/scorpio/galleries/gal_ifp.html -- 9.9 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/lsfvo/devices/scorpio/galleries/gal_ifp.html -- 9.9 Кб -- 02.10.2012
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