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1. Solar Energetic Particles
... Magnetic Storms . ... Cosmic Rays . ... Energetic Particles . ... Solar fast 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. ... Should we be concerned about solar energetic radiation? ...
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Ссылки http://www.cosmos.ru/mirrors/stern/Education/wsolpart.html -- 12.2 Кб -- 24.03.2006
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2. Solar Energetic Particles
... Magnetic Storms . ... Cosmic Rays . ... Energetic Particles . ... Solar fast 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. ... Should we be concerned about solar energetic radiation? ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/Education/wsolpart.html -- 12.1 Кб -- 21.12.2007
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3. 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://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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4. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... We present the numerical simulations for an electron-beam-driven and loss-cone-driven electron cyclotron maser (ECM) with different plasma parameters and different magnetic field strengths for a relatively small region and short time-scale in an attempt to interpret the recent discovered intense radio emission from ultracool dwarfs. ... A wide frequency band should therefore be covered by future radio observations. ...
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Ссылки http://star.arm.ac.uk/highlights/2012/600.html -- 6.2 Кб -- 24.04.2012
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5. 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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6. 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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7. PhD Thesis Abstract
... This thesis sets out to explain this observation by the presence of optical non-thermal synchrotron emission, connected with the relativistic jet that powers the radio emission in these quasars. ... We find that about 40% of the sources have power-law SEDs, while a similar number show evidence for two primary components: a blue power law and optical synchrotron emission. The blue power law is similar to the dominant component observed in the spectra of optically-selected QSOs. ...
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Ссылки http://www.atnf.csiro.au/people/Matthew.Whiting/thesis/thesis_abstract.html -- 6.0 Кб -- 23.12.2007
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8. Magnetospheric Emission From Isolated Pulsars
Most current theories for magnetospheric emission can be grouped into polar cap, outer gap, and nebular models. These models, at least in some cases, need not be mutually exclusive; the Crab pulsar (among others), for example, shows clear evidence for pulsed emission from the magnetosphere and unpulsed emission from the surrounding nebula. ... This suggestion is strengthened by observation of a distinct soft emission component, consistent with the cooling scenario, from several of these pulsars. ...
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Ссылки http://hea-www.harvard.edu/~slane/psr/PSR_magnet.html -- 8.0 Кб -- 01.10.2012
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9. First Galfa H I Map
... The GALFA Continuum Transit Survey group ( GALFACTS ; PI: A. R. Taylor) has conducted several test observations and will begin an all-sky full-Stokes continuum survey later this year with the new P-ALFA spectrometer. ... Sample Perseus images of GALFA H I 21cm-line and full-Stokes continuum emission are shown below along with maps of molecular (CO) gas, thermal dust, and ionized gas optical emission for comparison. ... The GALFA H I emission appears to envelop the molecular cloud gas traced by CO. ...
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Ссылки http://www.naic.edu/alfa/galfa/highlights/per/ -- 11.4 Кб -- 04.02.2013
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10. October-November 2003
... Extreme strong microwave S-component (F10.7 cm) -- enhanced emission in strong magnetic fields of the transition region and low corona; thermal and nonthermal components; . Extreme strong metric-wavelength noise storm -- permanent particle acceleration in strong evolving coronal magnetic fields; . CME/flare-associated events: intense metric emission (type II/IV bursts) and predominated post-eruptive microwave component; . ...
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Ссылки http://www.izmiran.rssi.ru/~ichertok/Radio_Oct03/conclud%20.html -- 2.8 Кб -- 30.06.2004
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11. MIT-GB catalog
... 105Lawrence+ Nearly 1000 sources from the 5 GHz MIT-Green Bank (MG) survey have been observed with the VLA. ... About 1000 sources, selected as described in IIa from a prelimenary version of the MIT-GB I catalog, have been observed with VLA. ... About 20 sources observed at the VLA are within the MG sky area and above the 106 mJy completeness limit, even allowing for the large flux-density errors in the preliminary list, but do not appear in the MG catalog. ... 1 Source name in IAU B1950.0 format. ...
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Ссылки http://www.sao.ru/cats/doc/MG_VLA.html -- 9.6 Кб -- 18.03.2015
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12. http://www.gao.spb.ru/english/publ-s/viii-rfs/p099.pdf
... Galaxies 99 Cosmic background with model of cloudy interstellar medium Yu. ... Figure 1: Averaged spectrum of the cosmic background I f in frequency range 0.25 200 MHz for the Galactic poles. ... First interpretation of the cosmic noise background spectrum at broad band frequency range 0.25 200 MHz with a model of the cloudy interstellar medium ISM is presented here. ... Synthesized background spectra I f for regions of the Galactic poles at the frequency range 0.25 200 MHz is presented in Fig. ...
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Ссылки http://www.gao.spb.ru/english/publ-s/viii-rfs/p099.pdf -- 100.3 Кб -- 21.05.2007
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13. Marc White - Astrophysicist - The Australian National University
Marc White . ... Turbulent entrainment processes may play an important role in the outflows from young stellar objects at all stages of their evolution. In particular, lateral entrainment of ambient material by high-velocity, well-collimated protostellar jets may be the cause of the multiple emission-line velocity components observed in the microjet-scale outflows driven by classical T Tauri stars. ... University of Amsterdam; STARPLAN, Copenhagen, Jul 2013 . ... E marc.white@anu.edu.au . ...
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Ссылки http://www.mso.anu.edu.au/~mwhite/publications.php -- 12.6 Кб -- 09.04.2016
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14. Technique
Next: Examples and Photometric Up: Image Restorations of High Previous: Introduction . ... where is the intensity of the point sources (mainly zero apart from -functions at the positions of designated sources) and is the intensity of the background. ... When is zero the objective function becomes the same as that of the standard Lucy-Richardson technique. takes the form of an entropy expression which may be calculated in two ways, relative to a flat background: . ...
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Ссылки http://www.stsci.edu/stsci/meetings/irw/proceedings/hookr.dir/section3_2.html -- 5.8 Кб -- 15.04.1994
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15. Optical component of GRB080319B
Seven months ago, on Mar 19, 2008, at 09:12 Moscow time, a new star appeared on the sky. The Sun had already risen over the Russia, but people of the Western hemisphere might be able to see by their eyes a faint starlet near one of Bootes constellation stars. This starlet appeared and faded by an order of magnitude in a minute. Astronomers named it GRB080319B or, informally, the Naked-Eye Burst, as it was twice as bright as human eye can see a star. ... Royal Astronomical Society . ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/GRB080319B/ -- 3.9 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/GRB080319B/ -- 3.9 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/GRB080319B/ -- 3.9 Кб -- 02.10.2012
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16. Project: PAHs
Polycyclic aromatic hydrocarbons in HII regions: correlation with metallicity . ... We have perfomed the aperture photometry of HII regions using infrared images from telescopes Spitzer and Herschel at passbands 3.6, 4.5, 5.8, 8.0, 24, 70 and 160 m. Emission of PAHs are observed at passbands 3.6 - 8.0 m, 24 m is emission likely of hot small particles and finally large particles are responsible for emission at 70 and 160 m. We determine abundances of PAHs using model of Draine Li (2007) . ...
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Ссылки http://www.inasan.rssi.ru/~khramtsova/project_PAH.html -- 5.6 Кб -- 23.02.2015
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17. SPECTRUM ANALYZER OF MAGNETIC PHENOMENA SAMW
SPECTRUM ANALYZER OF MAGNETIC PHENOMENA SAMW . Spectrum analyzer allows onboard computation of electromagnetic waves spectra registered (observed) in the ionosphere and magnetosphere in the ELF/VLF frequency band. ... It consists of magnetic antenna, preamplifier, 16 bit sigma delta AD converter, DSP processor and telemetry interface. ... The channels of lower frequencies are averaged and transmitted with lower repetition rate so the telemetry volume is reduced. ... Dynamic range: 90 dB . ...
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Ссылки http://space.univ.kiev.ua/projects/warning/samw.html -- 5.6 Кб -- 15.02.2000
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18. The Galaxy Gallery: Messier Objects
M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...
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Ссылки http://zebu.uoregon.edu/messier.html -- 7.0 Кб -- 23.07.2004
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19. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B93EBDED7-A58C-467A-A972-B6761C8F2F88%7D
This all-sky image shows the spatial distribution over the whole sky of the galactic haze at 30 and 44 GHz, extracted from the Planck observations. In addition to this component, other foreground components such as charged particles accelerated radially, known as synchrotron radiation, thermal dust, spinning dust, and extragalactic point sources contribute to the total emission detected by Planck at these frequencies. ... ESA/Planck Collaboration ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B93EBDED7-A58C-467A-A972-B6761C8F2F88%7D -- 3.9 Кб -- 10.04.2016
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20. Massive X-ray Binaries
Next: Ejectors in Massive Binary Previous: Artificial Galaxy: Full Matrix . The first version of the Scenario Machine was aimed especially at the simulation of massive binary star evolution. ... First, there is a large class of intermediate mass binaries (say, consisting initially of 8 + 5 solar masses) that can also produce NS and thus lead to the formation of a bright X-ray source. ... Next: Ejectors in Massive Binary Previous: Artificial Galaxy: Full Matrix Mike E. Prokhorov . ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node50.html -- 10.3 Кб -- 26.02.1997
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Астронет | Научная сеть | ГАИШ МГУ | Поиск по МГУ | О проекте | Авторам
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