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astronomy & astrophysics (61) 61
astrophysics (50) 50
galaxies: active (43) 43
galaxies: jets (43) 43
high energy astrophysical phenomena (43) 43
active galactic nuclei (34) 34
astrophysics - high energy astrophysical phenomena (32) 32
physics - high energy astrophysical phenomena (32) 32
cosmology and extragalactic astrophysics (26) 26
galaxies: individual (25) 25
radio continuum: galaxies (25) 25
galaxy astrophysics (22) 22
techniques: interferometric (20) 20
astrophysics - astrophysics of galaxies (19) 19
jets (18) 18
galaxies (17) 17
physics - astrophysics of galaxies (17) 17
emission (14) 14
physics - instrumentation and methods for astrophysics (13) 13
radio (13) 13
physics - cosmology and nongalactic astrophysics (10) 10
physics - earth and planetary astrophysics (10) 10
physics - solar and stellar astrophysics (10) 10
techniques: high angular resolution (10) 10
astrophysics, cosmology and astronomy (9) 9
physics (9) 9
radiation mechanisms: non-thermal (9) 9
supermassive black-hole (9) 9
astronomy and astrophysics (8) 8
black hole physics (8) 8
gamma rays: galaxies (8) 8
relativistic jets (8) 8
accretion disks (7) 7
advection-dominated accretion (7) 7
arrays (7) 7
basic electric elements (7) 7
cladding or plating by soldering or welding (7) 7
climate change mitigation technologies in the production orprocessing of goods (7) 7
climate change mitigation technologies related totransportation (7) 7
cutting by applying heat locally, e.g. flame cutting (7) 7
cygnus-a (7) 7
electricity (7) 7
evolution (7) 7
flux (7) 7
gamma-ray emission (7) 7
general tagging of cross-sectional technologies spanning over several sections of the ipc (7) 7
general tagging of new technological developments (7) 7
machine tools (7) 7
metal-working not otherwise provided for (7) 7
performing operations (7) 7
processes or means, e.g. batteries, for the direct conversionof chemical into electrical energy (7) 7
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (7) 7
soldering or unsoldering (7) 7
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (7) 7
technologies or applications for mitigation or adaptation againstclimate change (7) 7
transporting (7) 7
welding (7) 7
working by laser beam (7) 7
accretion (6) 6
astrophysics - instrumentation and methods for astrophysics (6) 6
particle-acceleration (6) 6
polarization (6) 6
solar and stellar astrophysics (6) 6
x-ray (6) 6
x-ray-emission (6) 6
acceleration of particles (5) 5
accretion, accretion disks (5) 5
astronomy (5) 5
astrophysics - cosmology and nongalactic astrophysics (5) 5
black-hole (5) 5
galaxy nuclei (5) 5
inner jet (5) 5
jet (5) 5
large-area telescope (5) 5
magnetic fields (5) 5
magnetic-field strengths (5) 5
models (5) 5
radio galaxies (5) 5
astronomi, astrofysik och kosmologi (4) 4
astronomy, astrophysics and cosmology (4) 4
black holes (4) 4
dynamics (4) 4
elliptic galaxies (4) 4
extragalactic radio-sources (4) 4
flux density (4) 4
galactic-center (4) 4
galaxies: ism (4) 4
gamma radiation (4) 4
interferometry (4) 4
lobes (4) 4
m87 jet (4) 4
millimeter (4) 4
ngc 1275 (4) 4
positrons (4) 4
radiation mechanisms: nonthermal (4) 4
radio-sources (4) 4
relativistic magnetohydrodynamic simulations (4) 4
sagittarius-a-asterisk (4) 4
spectra (4) 4
천문학 (4) 4
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Nature, ISSN 0028-0836, 09/2011, Volume 477, Issue 7363, pp. 185 - 187
Powerful radio jets from active galactic nuclei are thought to be powered by the accretion of material onto the supermassive black hole (the 'central... 
GALAXY M87 | RELATIVISTIC JETS | 3C 279 | MOTION | FLARE | ACTIVE GALACTIC NUCLEI | GAMMA-RAY EMISSION | CENTRAL ENGINE | MULTIDISCIPLINARY SCIENCES | INNER JET | ACCRETION | Analysis | Frequencies of oscillating systems | Astrophysics | Black holes | Stars & galaxies | Astronomy | Origins | Position measurement | Upstream | Jets | Black holes (astronomy) | Radio | Position (location) | Engines
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 03/2016, Volume 457, Issue 1, p. 1124
  We examine the plasma composition of relativistic jets in four Fanaroff-Riley type II (FRII) radio galaxies by analysing the total cocoon pressure in terms... 
Protons | Positrons | Star & galaxy formation | Astronomy | Electrons
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 03/2016, Volume 457, Issue 1, pp. 1124 - 1124
We examine the plasma composition of relativistic jets in four Fanaroff-Riley type II (FRII) radio galaxies by analysing the total cocoon pressure in terms of... 
Plasma composition | Constraints | Radio galaxies | Dynamics | Positrons | Plasma pressure | Jets | Density
Journal Article
ASTROPHYSICAL JOURNAL, ISSN 0004-637X, 06/2019, Volume 878, Issue 1, p. 27
Imaging the immediate vicinity of supermassive black holes (SMBHs) and extracting a BH-spin signature is one of the grand challenges in astrophysics. M87 is... 
IMAGE | black hole physics | galaxies: jets | accretion, accretion disks | galaxies: active | ELECTRONS | radiative transfer | DISKS | ASTRONOMY & ASTROPHYSICS | EVENT-HORIZON | ACCRETION | SYNCHROTRON EMISSION
Journal Article
Astrophysical Journal, ISSN 0004-637X, 09/2013, Volume 775, Issue 1, pp. 70 - 7
We investigated the detailed inner jet structure of M87 using Very Long Baseline Array data at 2, 5, 8.4, 15, 23.8, 43, and 86 GHz, especially focusing on the... 
galaxies: individual (M87) | galaxies: jets | galaxies: active | radio continuum: galaxies | Collimation | Construction | Radio | Arrays | Imaging | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | ASTROPHYSICS | RESOLUTION | JETS | SENSITIVITY | RADIOASTRONOMY | GALAXIES | GHZ RANGE | FREQUENCY DEPENDENCE | SCHWARZSCHILD RADIUS | VISIBLE RADIATION | BLACK HOLES
Journal Article
Monthly Notices of the Royal Astronomical Society, ISSN 0035-8711, 05/2019
The narrow-line Seyfert 1 (NLS1) galaxy PMN J0948+0022 is an archetype of gamma-ray-emitting NLS1s in active galactic nuclei (AGNs). In this study, we... 
Journal Article
Astronomy & Astrophysics, ISSN 0004-6361, 02/2018, Volume 610, p. L5
We study the centimeter- to millimeter-wavelength synchrotron spectrum of the core of the radio galaxy M 87 at ≲0.8 mas ~ 110Rs spatial scales using four years... 
Flux | Fluctuations | Event horizon | Radio galaxies | Galaxies
Journal Article
Astrophysical Journal, ISSN 0004-637X, 12/2018, Volume 868, Issue 2, p. 82
This paper theoretically investigates the relations between the structure of relativistic jets and produced synchrotron images, by using a steady, axisymmetric... 
relativistic processes | methods: analytical | galaxies: jets | galaxies: active | ELECTRODYNAMICS | M87 | ACCELERATION | ENERGY EXTRACTION | FORCE | HYDROMAGNETIC FLOWS | ASTRONOMY & ASTROPHYSICS | ACCRETION | SCHWARZSCHILD RADII | SCALE | RELATIVISTIC MAGNETOHYDRODYNAMIC SIMULATIONS
Journal Article
Monthly Notices of the Royal Astronomical Society: Letters, ISSN 1745-3925, 03/2011, Volume 412, Issue 1, pp. L20 - L24
Journal Article
The Astrophysical Journal, ISSN 1538-4357, 12/2017, Volume 850, Issue 2, p. 193
Journal Article
Astrophysical Journal Letters, ISSN 2041-8205, 04/2018, Volume 857, Issue 1, p. L6
We report the discovery of a local convergence of a jet cross section in the quasi-stationary jet feature in the gamma-ray-emitting narrow-line Seyfert 1... 
galaxies: Seyfert | galaxies: individual (1H 0323+342) | gamma rays: galaxies | galaxies: jets | galaxies: Active | radio continuum: galaxies | M87 JET | MOJAVE | RADIO-LOUD | ACTIVE GALACTIC NUCLEI | galaxies: active | IMAGES | ASTRONOMY & ASTROPHYSICS | INNER JET | EMISSION
Journal Article
Astrophysical Journal, ISSN 0004-637X, 06/2015, Volume 806, Issue 2, pp. 241 - 9
Journal Article
Monthly Notices of the Royal Astronomical Society: Letters, ISSN 1745-3925, 03/2011, Volume 412, Issue 1, pp. L20 - L24
ABSTRACT Recent radio observations reveal the existence of mini‐radio lobes in active galaxies with scales of ∼10 pc. The lobes are expected to be filled with... 
galaxies: jets | galaxies: active | gamma‐rays: galaxies | Gamma-rays: galaxies | Galaxies: active | Galaxies: jets | gamma rays: galaxies | ASTRONOMY & ASTROPHYSICS | Particle accelerators
Journal Article
Astrophysical Journal, ISSN 0004-637X, 02/2013, Volume 764, Issue 2
We explore non-thermal emission from a shocked interstellar medium, which is identified as an expanding shell, driven by a relativistic jet in active galactic... 
TELESCOPE COUNTERS | GAMMA ASTRONOMY | ENERGY DENSITY | PHOTON EMISSION | COSMIC GAMMA SOURCES | GAMMA DETECTION | RELATIVISTIC RANGE | CHERENKOV COUNTERS | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY | GEV RANGE | ASTROPHYSICS | X-RAY DETECTION | JETS | COSMIC PHOTONS | GALAXIES | GALAXY NUCLEI
Journal Article
천문학회보, ISSN 1226-2692, 2017, Volume 42, Issue 1, pp. 45.2 - 45.3
3C 84 (NGC 1275) is one of the most famous radio galaxies and a lot of VLBI observations have been conducted to date because of its brightness and proximity (z... 
Journal Article