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1. Spin up of a Supermassive Black Hole
... Spin up of a Supermassive Black Hole . ... 12.03.2013 . ... This prediction was tested recently by NASA's NuSTAR and ESA's XMM satellites by observing the supermassive black hole at the center of spiral galaxy NGC 1365 . ... Since matter randomly falling into the black hol e should not spin up a black hole this much, the NuSTAR and XMM measurements also validate the existence of the surrounding accretion disk . ... Publications with keywords: black hole - accretion disk . ... Orbiting a Black Hole ....
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/apod/2013-03-12 -- 16.2 Кб -- 13.03.2013
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2. APOD: 2013 March 12 - Spin up of a Supermassive Black Hole
... 2013 March 12 . Spin up of a Supermassive Black Hole . ... If any object made of regular matter spins too fast -- it breaks apart. ... This prediction was tested recently by NASA's NuSTAR and ESA's XMM satellites by observing the supermassive black hole at the center of spiral galaxy NGC 1365 . ... Since matter randomly falling into the black hol e should not spin up a black hole this much, the NuSTAR and XMM measurements also validate the existence of the surrounding accretion disk . ...
[ Сохраненная копия ]  Ссылки http://www.sai.msu.su/apod/ap130312.html -- 6.0 Кб -- 28.02.2014
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3. Strong Gravity in the Vicinity of Supermassive Black Holes - by Eamon Scullion,
... Black holes are found at the centres of galaxies which are similar in size to our own Milky Way Galaxy or larger. When black holes collide and merge they form supermassive black holes which are events among the most powerful in the universe. ... 55, No. 1, pages 1-5, 'Observational Effects of Strong Gravity in Vicinity of Supermassive Black Holes' . ... International Year of Astronomy, Ireland National Node . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/scholars/iya/news/strong_gravity_in_the_vicin.html -- 12.2 Кб -- 31.12.2009
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4. Evidences of supercritical accretion onto black hole in SS433
... SS433 is a close binary system, one star is a supergiant, a second one is a black hole. ... Even a black hole cannot accept such an enormous mass flux, a supercritical accretion disk appears, all the excess gas glows up to several tens of thousands degrees and is ejected off the disk with enormous velocities. ... SAO researchers have found an evidence of the supercritical accretion onto a black hole in SS433, which follows from a brightness variability of the SS433 disk. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/SciNews/2014/Fabrika2/ -- 7.1 Кб -- 10.04.2016
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/SciNews/2014/Fabrika2/ -- 7.1 Кб -- 10.04.2016
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5. ASP: Black Holes
The radius of the event horizon of a black hole with the mass of the Sun would be about 3 kilometers, about the same size as your city, town or village. If the Earth could be compressed into a black hole, the radius of its event horizon would be 1/330,000 of this, because the mass of the Earth is 1/330,000 times the mass of the Sun. ... 30,000,000 . ... 20,000 . ... Black hole event horizon . ... MYTH: All stars collapse to become black holes upon their death. ... MYTH: Black holes are very dense. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/24/blackhole4.html -- 11.5 Кб -- 02.10.2012
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6. Dust disk around a black hole in galaxy NGC 7052
... HUBBLE UNCOVERS DUST DISK AROUND A MASSIVE BLACK HOLE . Resembling a gigantic hubcap in space, a 3,700 light-year-diameter dust disk encircles a 300 million solar-mass black hole in the center of the elliptical galaxy NGC 7052. ... Because the jets in NGC 7052 are not perpendicular to the disk, it may indicate that the black hole and the dust disk in NGC 7052 do not have a common origin. ... NGC 7052 is located in the constellation of Vulpecula, 191 million light-years from Earth. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~marel/n7052photo.html -- 5.2 Кб -- 10.05.2000
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7. Black Hole Mass Estimates of Radio-selected Quasars
The black hole (BH) masses in the centers of active galactic nuclei (AGNs) have been estimated for a sample of radio-selected, flat-spectrum quasars to investigate the relationship between BH mass and radio properties of quasars. ... In contrast to previous studies, we find no correlation between BH mass and radio power in these AGNs. We find a range in BH mass similar to that seen in radio-quiet quasars from previous studies. ... You can now find me in room 99 at Epping. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Matthew.Whiting/papers/html_abstracts/black_hole_mass_abs.html -- 3.5 Кб -- 26.12.2007
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8. Hubble Uncovers Dust Disk Around a Massive Black Hole (STScI-PRC98-22) A
... Resembling a gigantic hubcap in space, a 3,700 light-year-diameter dust disk encircles a 300 million solar-mass black hole in the center of the elliptical galaxy NGC 7052. ... Because the front end of the disk eclipses more stars than the back, it appears darker. ... Despite its size, the disk is 100 times less massive than the black hole. ... The bright spot in the center of the disk is the combined light of stars that have crowded around the black hole due to its strong gravitational pull. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/Galassie/BlackHole.html -- 8.2 Кб -- 04.03.2001
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9. Ask Astro: What are the chances of dark matter or a black hole ripping apart
... Ask Astro . ... Supernova showered Earth with radioactive debris . Behemoth black hole found in an unlikely place . ... black holes . ... Asteroid DayУ?т??т??s Don Yeomans: Will asteroid 2013 TX68 strike Earth? ... Ask Astro: What are the chances of dark matter or a black hole ripping apart Earth? ... Get instant access to subscriber content on Astronomy.com! ... Receive full access to our Ask Astro answers . ... A gamma-ray burst hints that LIGO's double black holes started as one massive star . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/magazine/2011/06/ask-astro-black-hole-ripping-apart-earth -- 62.6 Кб -- 10.04.2016
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10. 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. ...
[ Сохраненная копия ]  Ссылки http://www.badastronomy.com/bitesize/jetplane.html -- 21.9 Кб -- 09.04.2016
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11. IAU Commission #34 (Interstellar Matter)
... Feeding the Monster: Gas Caught in its Death Spiral into a Massive Black Hole . ... Stromlo Professor Mike Dopita have used the Hubble Space Telescope to discover how a massive Black Hole in a nearby galaxy feeds itself. ... Earlier Hubble Telescope data obtained by another team member, Professor Holland Ford of Johns Hopkins University in Baltimore, Maryland, had found a disk of gas rushing around the Black Hole at a speed of 500 kilometers a second. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/~mad/M87pr.html -- 10.5 Кб -- 09.04.2016
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12. Quicksand As Black Hole Model? - an Astronomy Net Blackholes Forum Message
Blackholes Forum Message . ... Quicksand As Black Hole Model? ... For the hole to be black it must have a fuzzy edge i.e. something one is sinking into (like a black hole is like quicksand that you discover by sinking partly into it?) ... A number of oranges "probes" what it is to be an orange so "black hole" = "number" you might suppose. ... The rest of their body not in the quicksand (i.e. not in the black hole) equates to the "collection of anti-matter near the blackhole"? ... www.astronomy.net . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.net/forums/blackholes/messages/6651.shtml -- 16.7 Кб -- 09.04.2016
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13. ESO - Thesis Topic: How much can a supermassive black hole consume?
... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: How much can a supermassive black hole consume? ... Science Users Information . ... Observing with ESO Telescopes . ... Science Software . ... ESO-MIDAS . ... Data Handling and Products . Quality Control and Data Processing . Data Pipelines and Calibrations . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... ESO Science Newsletter . ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-hatziminaoglou01.html -- 29.2 Кб -- 10.04.2016
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14. (S-7a) The Black Hole at the Center of our Galaxy
... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/mirrors/stern/stargaze/Iblkhole.htm -- 9.5 Кб -- 21.12.2007
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/mirrors/stern/stargaze/Iblkhole.htm -- 9.5 Кб -- 22.12.2007
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15. Black Hole Creation in Massive Binary Systems
Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries . Two different types of stellar BH formation exist: (1) direct core collapse   of a massive star and (2) AIC of a NS. A BH of the first type presumably will have a mass comparable to that of the collapsing star and can be born both from a single star and in a binary system. ... Next: Binary Radiopulsars with Black Up: Black Holes in Binaries Previous: Black Holes in Binaries Mike E. Prokhorov . ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node64.html -- 8.4 Кб -- 26.02.1997
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16. Garcia, Michael R. - Smithsonian High Energy Division - Home Page
... Smithsonian Lead Scientist, SAO/Southampton Masters Program . ... Chandra Uncovers New Evidence For Event Horizons Surrounding Black Holes . ... XTE J1118+480: Chandra Pinpoints Edge Of Accretion Disk Around Black Hole . ... Astronomers Closing in on Black Holes . ... A Black Hole Greater Than 6 Msolar in the X-Ray Nova XTE J1118+480 . Complete and Simultaneous Spectral Observations of the Black Hole X-Ray Nova XTE J1118+480 . Aql X-1: Garcia etal 99, . ... Home" Home Page . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/~garcia/mgarcia.html -- 9.9 Кб -- 01.10.2012
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17. Истомин Яков Николаевич (ФИАН)
... Acceleration of particles in the vicinity of a massive black hole We propose a two-step mechanism for charged particle acceleration in the magnetosphere of a massive black hole surrounded by an accretion disk. Particles first gain energy by stochastic process during the accretion phase. It is shown that effective proton acceleration up to energies eV is possible in the turbulent magnetized accretion disk. ...
[ Сохраненная копия ]  Ссылки http://hea.iki.rssi.ru/conf/hea2007/abstracts/node28.html -- 5.3 Кб -- 19.12.2007
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18. NEW Black Hole Paradigm - Горизонты науки о Вселенной
Добро пожаловать, Гость . ... В теме В разделе По форуму . ... Горизонты науки о Вселенной (Модераторы: Дмитрий Вибе , AlAn ) ? NEW Black Hole Paradigm . предыдущая тема следующая тема . ... 0 Пользователей и 1 Гость просматривают эту тему. Гость . ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.ru/forum/index.php/topic,13306.0.html -- 28.0 Кб -- 10.04.2016
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19. Marat Abubekerov - publications list
... Abubekerov M.K., Lipunov V.M. "The Lower Temperature Limits Of Accretors" Astronomy Reports, 2003, Vol. 47, Issue 8, pp.679-684. ... Abubekerov M.K., Antokhina E.A., Cherepashchuk A.M. "The Masses of X-ray Pulsars in Binary systems with OB Supergiants" Astronomy Reports, 2004, Vol. ... Abubekerov M.K., Antokhina E.A., Cherepashchuk A.M., Shimanskii V.V. "The Mass of the Compact Object in the Low-Mass X-ray Binary 2S 0921-630" Astronomy Reports Astronomy Reports, 2006, Vol.50, Issue 7, pp.544-552. ...
[ Сохраненная копия ]  Ссылки http://lnfm1.sai.msu.ru/~marat/publications.html -- 9.1 Кб -- 12.01.2015
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20. MAO NASU :: Topic: 1st Announcement IAU Symposium 312 Star Clusters and Black
... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... SUBJECT: 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... which will be held in Beijing, P.R. China, from August 25-29, 2014, hosted by Chinese Academy of Sciences . ... China), . ... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. ...
[ Сохраненная копия ]  Ссылки http://www.mao.kiev.ua/index.php/en/forum/info/95-1st-announcement-iau-symposium-312-star-clusters-and-black-holes-across-cosmic-time-beijing-china-aug-25-29-2014 -- 24.6 Кб -- 11.04.2016
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