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astronomy & astrophysics (51) 51
astrophysics (40) 40
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high energy astrophysical phenomena (33) 33
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cosmology and extragalactic astrophysics (27) 27
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astrophysics - instrumentation and methods for astrophysics (20) 20
astrophysics, cosmology and astronomy (20) 20
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accretion (17) 17
physics - instrumentation and methods for astrophysics (17) 17
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galaxies: individual (15) 15
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galaxies: jets (12) 12
instrumentation and methods for astrophysics (12) 12
physics - astrophysics of galaxies (12) 12
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general relativity and quantum cosmology (11) 11
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submillimeter: general (10) 10
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astronomy (9) 9
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physics - cosmology and nongalactic astrophysics (9) 9
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advection-dominated accretion (8) 8
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millimeter (7) 7
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vlbi (7) 7
astronomy and astrophysics (6) 6
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astronomi, astrofysik och kosmologi (5) 5
astronomy, astrophysics and cosmology (5) 5
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masers (4) 4
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no-hair theorem (4) 4
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Nature, ISSN 0028-0836, 09/2008, Volume 455, Issue 7209, pp. 78 - 80
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 2019, Volume 882, pp. 1 - 18
Journal Article
Physical Review Letters, ISSN 0031-9007, 01/2016, Volume 116, Issue 3, p. 031101
In general relativity, the angular radius of the shadow of a black hole is primarily determined by its mass-to-distance ratio and depends only weakly on its... 
HORIZON TELESCOPE OBSERVATIONS | MODELS | PHYSICS, MULTIDISCIPLINARY | VLBI | MASS | GALACTIC-CENTER | ACCRETION | SIMULATIONS | NO-HAIR THEOREM | SUPERMASSIVE BLACK-HOLE | SAGITTARIUS-A-ASTERISK | Shadows | Algorithms | Computer simulation | Relativity | Event horizon | Deviation | Arrays | Inclination
Journal Article
Journal Article
Journal Article
Physical Review Letters, ISSN 0031-9007, 08/2016, Volume 117, Issue 9, p. 091101
The Event Horizon Telescope is a global, very long baseline interferometer capable of probing potential deviations from the Kerr metric, which is believed to... 
HORIZON TELESCOPE OBSERVATIONS | PHYSICS, MULTIDISCIPLINARY | SHADOW | MASS | GALACTIC-CENTER | KERR | EMISSION | NO-HAIR THEOREM | SUPERMASSIVE BLACK-HOLE | SAGITTARIUS-A-ASTERISK | BASE | Gravitation | Position measurement | Constraint modelling | Mathematical models | Deviation | Arrays | Inclination | Interferometers
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 04/2009, Volume 695, Issue 1, pp. 59 - 74
Journal Article
Astrophysical Journal, ISSN 0004-637X, 09/2017, Volume 847, Issue 1, p. 55
General relativistic magnetohydrodynamic (GRMHD) simulations of accretion disks and jets associated with supermassive black holes show variability on a wide... 
) | methods: statistical | galaxies: individual (Sgr A | Galaxy: center | techniques: interferometric | MILLIMETER | FLARES | galaxies: individual (Sgr A) | MAGNETIC-FIELD STRUCTURE | SUPERMASSIVE BLACK-HOLE | MODELS | ASTRONOMY & ASTROPHYSICS | X-RAY | JET | ACCRETION | RADIO | EMISSION | Physics - High Energy Astrophysical Phenomena
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 05/2009, Volume 697, Issue 1, pp. 45 - 54
Recent millimeter-VLBI observations of Sagittarius A* (Sgr A*) have, for the first time, directly probed distances comparable to the horizon scale of a black... 
Techniques: interferometric | Accretion | Accretion disks | Galaxy: center | Black hole physics | Submillimeter | STELLAR ORBITS | SGR-A | accretion, accretion disks | LINEAR-POLARIZATION | MODEL | SUPERMASSIVE BLACK-HOLE | HORIZON | RADIATIVE-TRANSFER | submillimeter | black hole physics | ASTRONOMY & ASTROPHYSICS | GALACTIC-CENTER | RADIO | EMISSION | techniques: interferometric
Journal Article