SAI 175 anniversary . ... Moscow University . Search for in SAI Moscow University Search for in Russian astronomical resources . ... SAI Astronomical Databases . ... Browse SAI Software archive(ftp.sai.msu.su) . ASTRONET.RU - Russian Astronomical Network (available in translit also) . ... SAI Supernovae Research Group . ... Department of the Galaxy and Variable Stars (in Russian) . Sternberg Astronomical Institute Seminars . ... All-Russian Astronomical Olympiad (in Russian) . ...

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• APOD: 2006 April 12 - Binary Black Hole in 3C 75
• APOD: December 30, 1995 - LMC X-1: A Black Hole Candidate
• APOD: 2010 March 14 - Binary Black Hole in 3C 75

home education > resources . ... Resources . ... Astronomy Education Bibliography . ... Black Holes: An Introductory Resource List . ... Castelvecchi, D. "A New Breed of Black Hole" in Sky Telescope , Apr. 2006, p. 36. ... Charles, P. Wagner, R. "Black Holes in Binary Stars: Weighing the Evidence" in Sky Telescope , May 1996, p. 38. ... Nadis, S. "The Secret Lives of Black Holes" in Astronomy , Nov. 2007, p. 28. ... Nadis, S. "Black Holes: Seeing the Unseeable" in Astronomy , Apr. 2007, p. 26. ...

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• ASP: Book Review
• ASP: Educational Resources

... CfA Home | ... Research | ... The Smithsonian Astrophysical Observatory (SAO) is a "research institute" of the Smithsonian Institution . It is joined with the Harvard College Observatory (HCO) to form the Harvard-Smithsonian Center for Astrophysics (CfA). Because these research activities share Harvard and Smithsonian staff and resources, the links at this website will take you to information posted on the "CfA" pages. Michael R. Garcia . ... michael.r.garcia at nasa.gov Research . ...

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• Candidate Black Hole X-ray Binaries
• Black Hole X-ray Binaries with Low Mass Companions
• Black Hole X-ray Binaries with Massive Companions

... General information . ... Staff . Research staff . Technical, administrative & librarian staff . ... Staff in alphabetic order . Research . ... Solar physics . ... Information . Resources and catalogs . ... Historical highlights . Historical research . Historical archive . ... Online resources . Friends of Arcetri . ... NSSDC - National Space Science Data Center . ... a rXiv e-Prints archive . ... High Energy Astrophysics Science Archive Research Center . ...

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• INAF - Arcetri Astrophysical Observatory
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• Dust grains from the heart of supernovae

... The Milky Way Neighborhood: The Local Group of Galaxies . 06/01/2004: STScI Open House Lecture Series (Baltimore, MD, USA) . The Dynamics of the Galaxies in the Local Group . ... 09/18/2008: Kavli Institute for Theoretical Astrophysics, University of California at Santa Barbara (USA) . The Internal Dynamics of the Local Group . ... The Hubble Space Telescope Proper Motion Collaboration HSTPROMO: Local Group Galaxy Dynamics . ... Intermediate Mass Black Holes . ... Black Holes in Galaxies . ...

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• The Document Resources of Purple Mountain Observatory Library
• Useful Links for Astronomers
• HST this week: 066

... This page is intended for those with a technical background who want more detail than was available in the press releases. 23) 5% of the sources. ... Radio quiet quasars have essentially uniform B-K colours (around 2.5) while these Parkes sources had B-K ranging from 2.5 out to 8! ... Dust: these actually are typical blue quasars obscured by dust somewhere along the line of sight. ... They appear pink to the human eye (I combined out BVR imaging weighted such that a sun-like star would appear white)...

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• Pink Black Holes: Frequently Asked Questions
• ANU - Research School of Astronomy and Astrophysics - 5th Stromlo Symposium
• Designated Observatory Application

... Seminar archive . ... The structure of the X-ray sources in the hard spectral state of accreting black-hole binaries has been a subject of intense debate. The paradigm dominant for many years postulated that the accretion disc in the hard state is truncated at some radius >> the innermost stable orbit (ISCO) whereas the disc reaches the ISCO in the soft state. ... On the other hand, there have been numerous claims in recent years that the disc extends to the ISCO in the hard state. ...

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Blackholes2 Forum Message . ... Black Holes As A Source Of Dark Matter/energy? ... Would it be possible that they actually convert the physical matter and energy we're familiar with to dark matter? As our only means of detecting dark matter is gravitational lensing it would not be distinguishable from a black hole's gravity. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Astronomy articles, forums, listings, and other resources about Astronomy.
• Black Holes And RedShift - an Astronomy Net Blackholes Forum Message

... Binary Black Hole in 3C 75 . ... Credit: X-Ray: NASA / CXC / D. Hudson, T. Reiprich et al. ... Radio: NRAO / VLA/ NRL Explanation: What's happening in the middle of this massive galaxy? ... At the cores of two merging galaxies in the Abell 400 galaxy cluster they are some 300 million light-years away. ... Publications with keywords: black hole - 3C 75 - colliding galaxies . Publications with words: black hole - 3C 75 - colliding galaxies . ... GRO J1655 40: Evidence for a Spinning Black Hole . ...

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• Galactic Center Flicker Indicates Black Hole
• Астронет > Binary Black Hole in 3C 75
• Астронет > Galactic Center Flicker Indicates Black Hole

... Furthermore, they are all radio sources and in two cases, Sco X-1 and Cir X-1, the radio emission has been resolved into relativistic jets. Figure 1: X-ray colour-colour diagram for the newly-discovered source XTE J1701-462, displaying the three branches characteristic of a "Z source". ... In January 2006, for the first time, a new, transient, Z source was discovered: XTE J1701-462 was rapidly identified as a member of this exclusive class by its characteristic X-ray timing behaviour (Homan et al. ...

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• ATNF Colloquium
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• Southern Cross Astrophysics Conference Series

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Equatorial coronal hole (top left), polar CH (top right), quiet Sun (bottom left) and quiet Sun with TCHs (bottom right) with the positions of all the corresponding identified brightening pixels over-plotted. ... We found that in comparison to the quiet Sun, the boundaries of coronal holes are abundant with brightening events including areas inside the coronal holes where closed magnetic field structures are present. ...

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• Astronomy Links
• Armagh Observatory: Chris Winter [ lte-codes ]
• Black Holes

... Evolution of the coalescence rate of double neutron stars (NS) and neutron star - black hole (BH) binaries are computed for model galaxies with different star formation rates. Assuming gamma-ray bursts (GRB) to originate from NS+NS or NS+BH merging in distant galaxies, theoretical - distributions for gamma-ray bursts (GRB) are calculated for the first time taking the computed merging rates into account. ... Effect of sources evolution on - distribution and -test. ...

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• Astronomical Resources
• My activity
• Periodic radiosource LSI+61 303

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

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... PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Black hole accretion versus star burst episodes: what is the engine of powerful active galaxies? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... ESO HST Image Galleries . ... The aim of this research project is to understand the emission mechanism(s) in these active galaxies: . how much power is ultimately due to accretion onto supermassive black holes and how much is due to star formation processes ? ...

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• ESO - bh99
• ESO - Thesis Topic: How much can a supermassive black hole consume?
• ESO - Central Massive Objects: The Stellar Nuclei - Black Hole Connection

... 2015: . Explanation of the Origin of Ultraluminous X-Ray Sources . Using optical spectroscopy, we revealed the origin of unusual objects: ultraluminous X-ray sources in other galaxies, which radiate in the X-ray range thousands times stronger than the black holes in our Galaxy. ... Detection of Radio Transients and Variable Radio Sources using the Archive Data of the Cold Surveys . ... O.Zhelenkova ), E.Majorova, A.Temirova . ... E.Majorova, O.Zhelenkova. ... Archive . ...

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• Detection of unique bright radio flare of X-ray binary
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• Scientific achievements

... Special Reports Giant space cloud may be powered by black holes 17:57 23 April 2007 NewScientist.com news service David Shiga An enormous cloud of roiling plasma in space may be drawing its energy from black holes, new observations suggest. Such clouds might be sources for the mysterious particles that occasionally crash into Earth's atmosphere at ultra - high speed. ... But higher energy particles in the cloud may be able to escape, he says. ...

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• AstroWeb: Astronomy/Astrophysics on the Internet
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• Key Steps to a Successful Survey (2)

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18. Second Spectrum-RG/eROSITA Conference

19. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B9D63A4B4-C7B0-423E-9776-0FFFB52049CA%7D

20. Additional Space Physics Resources