... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

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• Abstract
• HST Observer Monthly
• M51 Release

... Black Holes in Merging Galaxies . ... 29.05.2010 . ... Maryland ) Explanation: Violent galaxy mergers can feed supermassive black holes. ... New results from a premier sky survey by NASA's Swift satellite at hard (energetic) X-ray energies now solidly show a strong association of AGN with merging galaxies , though. ... In fact, these panels show the location (circled) of Swift X-ray detected supermassive black holes in a variety of merging galaxy systems. ... Centaurus A: The Galaxy Deep Inside ...

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• J1502 1115: A Triple Black Hole Galaxy
• NGC 4696: Energy from a Black Hole
• M82 s Middle Mass Black Hole

... 2006 April 12 . Binary Black Hole in 3C 75 . Credit: X-Ray: NASA / CXC / D.Hudson, T.Reiprich et al. ... Radio: NRAO / VLA/ NRL . Explanation: The two bright sources at the center of this composite x-ray (blue)/ radio (pink) image are co-orbiting supermassive black holes powering the giant radio source 3C 75 . Surrounded by multimillion degree x-ray emitting gas, and blasting out jets of relativistic particles the supermassive black holes are separated by 25,000 light-years. ...

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• APOD: April 5, 1997 - A Black Hole in M87?
• APOD: 2013 April 4 - M64: The Black Eye Galaxy
• APOD: 2006 April 27 - NGC 4696: Energy from a Black Hole

... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Merging Black Holes in Galaxies: Galaxy Evolution, AGN and Gravitational Waves . ... The first meeting in an annual series of international astrophysics conferences, co-organized by the Anglo-Australian Observatory and the Australia Telescope National Facility, is now scheduled for 15 to 20 June with the title, "Merging Black Holes in Galaxies: Galaxy Evolution, AGN and Gravitational Waves". ...

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• Evolutionary Paths in Galaxy Morphology
• ATNF Colloquium
• Southern Cross Astrophysics Conference Series

... Tonight's Sky . ... Sky this Month . ... space physics . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Sky Events . Get to Know the Night Sky . Tour the Deep Sky . Sky Guide . ... Observing springtime deep-sky objects with a large telescope . ... Johns Hopkins University Applied Physics Lab, Laurel, Maryland . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Space: women neednт??t apply? | Astronomy.com
• Winding spiral arms reveal black hole mass | Astronomy.com
• What does т??black hole spinт?? mean, and how do astronomers measure it? |

... 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. ...

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... The highest redshift X-ray jet discovered . by Chandra in GB 1428+4217 at z = 4.72 . X-ray jet discovered by Chandra . ... Science Papers on ADS . ... Chandra Press Release . The paper describing the details nas been published in ApJ and it is available also on astro-ph Feb. ... The jet paper published in ApJ Letters is available on astro-ph Oct. ... ApJ Letters paper available on astro-ph: Paper 2003 Feb. ... ApJ papers available on astro-ph: Paper 1, 2002 and Paper 2, 2007 . ...

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... The event horizon is the boundary of a black hole) . ... When the supermassive star implodes (collapses under it?s own gravity) a black hole is formed. Many black holes have been found in the centres of galaxies. ... It was thought that black holes don?t give out any energy at all (except when engulfing stars). ... It is thought that as the stars pass near to the centre, they are pulled in by the black hole and forced to remain orbiting around the black hole. ...

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• Strong Gravity in the Vicinity of Supermassive Black Holes - by Eamon Scullion,
• Armagh Observatory

... Astronomy news . ... NASA's Spitzer Images Out-of-This-World Galaxy . ... It is spiral-shaped like our Milky Way, with long, spindly arms of stars. The "eye" at the center of the galaxy is actually a monstrous black hole surrounded by a ring of stars. In this color-coded infrared view from Spitzer, the area around the invisible black hole is blue and the ring of stars, white. ... The ring around the black hole is bursting with new star formation. ...

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... April 12, 1999 . Nearby Spiral Galaxy NGC 4945 . Credit: 2P2 Team , WFI , MPG/ESO 2.2-m Telescope , La Silla , ESO . Explanation: For such a close galaxy, NGC 4945 is easy to miss. NGC 4945 is a spiral galaxy in the Centaurus Group of galaxies, located only six times farther away than the prominent Andromeda Galaxy . ... Therefore galaxy-gazers searching the southern constellation of Centaurus need a telescope to see it. ... About APOD > . ...

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• APOD: 2000 August 18 - X-Rays From Antennae Galaxies
• Hubble Provides Multiple Views of How to Feed a Black Hole (PRC98-14)
• Hubble Uncovers Dust Disk Around a Massive Black Hole (STScI-PRC98-22) A

... Research . ... A rare hybrid morphology radio galaxy . ... In this project we will be able to investigate the environmental effect on star formation and galaxy evolution in individual galaxies falling into the cluster through radio observations of active galactic nuclei (AGN). Current models of galaxy evolution regulate the star formation rates within the simulated galaxies by invoking radio-mode feedback from AGN. ... Julie.Banfield@anu.edu.au . ...

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• Some Black Holes are Pink
• IAU Commission #34 (Interstellar Matter)
• Designated Observatory Application

home resources > books . SEARCH ASP SITE: Match ALL words Match ANY word . ... Buy The Black Hole at the Center of our Galaxy at Amazon.com! Reviewed by Terrell Kent Holmes . In 1974 astronomers discovered a bright radio source at the center of the Milky Way Galaxy, in the direction of the constellation Sagittarius. It was an unknown quantity then, but astronomers now know that the object is a supermassive black hole causing a maelstrom of activity at the galactic center. ...

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• ASP: Black Holes: An Introductory Resource List
• ASP: Good Astronomy Activities on the WWW
• ASP: Black Holes to Blackboards: Drifting Through Andromeda

... 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. ...

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• Applied Optics - Page 2
• MAO NASU :: Topic: Call for applications to the PhD program of the API/GRAPPA,

... Science . ... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Why most supermassive black holes do not accrete material . ... Implicitly, we will also better understand why most supermassive black holes fail in accreting material. ... 1) Analyse multi-wavelength data for selected galaxies to describe and quantify the different physical phenomena in their centres, and most notably to derive their central supermassive black hole masses....

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• ESO - Thesis Topic: How much can a supermassive black hole consume?
• ESO - Thesis Topic: Black hole accretion versus star burst episodes: what is
• Anja Feldmeier-Krause

... Previous: Substepping and its Application to HST Imaging . ... This is a preliminary report on an application of the co-addition technique based upon the Richardson-Lucy algorithm. The combination of high signal-to-noise ground-based images obtained with the ESO NTT using SUSI with high angular resolution HST FOC f/96 images gives new insights on the properties of galaxy cores and their potential time variability. Cores of galaxies are one of the main thrusts of present extragalactic research. ...

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• Applications
• The Sociology of Astronomical Publication Using ADS and ADAMS
• ADASS 2002 Conference Proceedings

... 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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• Galaxy sector, archive 2015
• RCJ0311+0507
• Metagalaxy sector, archive 2013

... 13th European VLBI Network Symposium . and Users Meeting . on September 20-23, 2016. ... 13th European VLBI Network Symposium and Users Meeting on September 20-23, 2016. ... Year book "Ephemerides of Minor Planets for 2016" on-line . ...

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... 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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• Phil Plait's Bad Astronomy: Misconceptions

Blackholes Forum Message . Forums: . ... Black Holes And RedShift . ... Perhaps black holes really are the reproductive means of the universe.Could the black hole of a Quasar red-shift the electromagnetic energy trying to escape it? ... Perhaps black holes treat electromagnetic energy the same way. ... No one really knows enough about Quasars and black holes to say for sure but ask yourself this: Why would all the Quasars in the universe be moving away from the Milky Way? ... www.astronomy.net . ...

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• Black-hole Galaxy Model Of Dark Matter - an Astronomy Net Blackholes2 Forum
• Ideas On Black Holes - an Astronomy Net Blackholes Forum Message
• Fresh Ideas About Black Holes - an Astronomy Net Blackholes2 Forum Message

... 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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• The Virial Theorem in Self-Gravitating Systems
• AstroPulse: A search for ms scale dispersed pulses with Paul Demorest, Eric
• REU Application Instructions