Astronomy & Astrophysics (A&A)

Intra-Day Variability of Sagittarius A* at Multi-Wavelengths

Z. Q. Shen, J. Li, A. Miyazaki, et al.
Journal of Astrophysics and Astronomy 32 (1-2) 13 (2011)
DOI: 10.1007/s12036-011-9070-z
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Flares in the Galactic Centre – I. Orbiting flux tubes in magnetically arrested black hole accretion discs

O Porth, Y Mizuno, Z Younsi and C M Fromm
Monthly Notices of the Royal Astronomical Society 502 (2) 2023 (2021)
DOI: 10.1093/mnras/stab163
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Bright X-ray flares from Sgr A*

G. D. Karssen, M. Bursa, A. Eckart, et al.
Monthly Notices of the Royal Astronomical Society 472 (4) 4422 (2017)
DOI: 10.1093/mnras/stx2312
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On the tidal evolution of the orbits of low-mass satellites around black holes

A. Čadež, M. Calvani and U. Kostić
Astronomy & Astrophysics 487 (2) 527 (2008)
DOI: 10.1051/0004-6361:200809483
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SPITZER/IRAC OBSERVATIONS OF THE VARIABILITY OF Sgr A* AND THE OBJECT G2 AT 4.5 μm

J. L. Hora, G. Witzel, M. L. N. Ashby, et al.
The Astrophysical Journal 793 (2) 120 (2014)
DOI: 10.1088/0004-637X/793/2/120
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Sixteen years of X-ray monitoring of Sagittarius A*: Evidence for a decay of the faint flaring rate from 2013 August, 13 months before a rise in the bright flaring rate

Enmanuelle Mossoux and Nicolas Grosso
Astronomy & Astrophysics 604 A85 (2017)
DOI: 10.1051/0004-6361/201629778
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A 600 Minute Near-Infrared Light Curve of Sagittarius A*

L. Meyer, T. Do, A. Ghez, et al.
The Astrophysical Journal 688 (1) L17 (2008)
DOI: 10.1086/593147
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Effect of Electromagnetic Interaction on Galactic Center Flare Components

Arman Tursunov, Michal Zajaček, Andreas Eckart, et al.
The Astrophysical Journal 897 (1) 99 (2020)
DOI: 10.3847/1538-4357/ab980e
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The extreme luminosity states of Sagittarius A*

N. Sabha, G. Witzel, A. Eckart, et al.
Astronomy and Astrophysics 512 A2 (2010)
DOI: 10.1051/0004-6361/200913186
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Soft gamma-ray constraints on a bright flare from the Galactic Center supermassive black hole

G. Trap, A. Goldwurm, R. Terrier, et al.
Advances in Space Research 45 (4) 507 (2010)
DOI: 10.1016/j.asr.2009.09.025
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THE TWO STATES OF Sgr A* IN THE NEAR-INFRARED: BRIGHT EPISODIC FLARES ON TOP OF LOW-LEVEL CONTINUOUS VARIABILITY

K. Dodds-Eden, S. Gillessen, T. K. Fritz, et al.
The Astrophysical Journal 728 (1) 37 (2011)
DOI: 10.1088/0004-637X/728/1/37
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The sub-millimeter emission and the visibility of Sagittarius A*

Lei Huang, Z-Q Shen, S Liu, et al.
Journal of Physics: Conference Series 131 012005 (2008)
DOI: 10.1088/1742-6596/131/1/012005
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Flares and variability from Sagittarius A*: five nights of simultaneous multi-wavelength observations

X. Haubois, K. Dodds-Eden, A. Weiss, et al.
Astronomy & Astrophysics 540 A41 (2012)
DOI: 10.1051/0004-6361/201117725
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Oscillation Phenomena in the Disk around the Massive Black Hole Sagittarius A*

Makoto Miyoshi, Zhi-Qiang Shen, Tomoaki Oyama, Rohta Takahashi and Yoshiaki Kato
Publications of the Astronomical Society of Japan 63 (5) 1093 (2011)
DOI: 10.1093/pasj/63.5.1093
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SOURCE-INTRINSIC NEAR-INFRARED PROPERTIES OF SGR A*: TOTAL INTENSITY MEASUREMENTS

G. Witzel, A. Eckart, M. Bremer, et al.
The Astrophysical Journal Supplement Series 203 (2) 18 (2012)
DOI: 10.1088/0067-0049/203/2/18
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New opportunities for astronomical polarimetry

J.H. Hough
Journal of Quantitative Spectroscopy and Radiative Transfer 106 (1-3) 122 (2007)
DOI: 10.1016/j.jqsrt.2006.12.012
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The black hole at the Galactic Center: Observations and models

Alexander F. Zakharov
International Journal of Modern Physics D 27 (06) 1841009 (2018)
DOI: 10.1142/S0218271818410092
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Measuring Distance and Properties of the Milky Way’s Central Supermassive Black Hole with Stellar Orbits

A. M. Ghez, S. Salim, N. N. Weinberg, et al.
The Astrophysical Journal 689 (2) 1044 (2008)
DOI: 10.1086/592738
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Polarimetric imaging of Sgr A* in its flaring state

Fulvio Melia, Maurizio Falanga and Andrea Goldwurm
Monthly Notices of the Royal Astronomical Society 419 (3) 2489 (2012)
DOI: 10.1111/j.1365-2966.2011.19902.x
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Low angular momentum flow model for Sgr A*

T. Okuda and D. Molteni
Monthly Notices of the Royal Astronomical Society 425 (4) 2413 (2012)
DOI: 10.1111/j.1365-2966.2012.21571.x
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Dynamical Imaging with Interferometry

Michael D. Johnson, Katherine L. Bouman, Lindy Blackburn, et al.
The Astrophysical Journal 850 (2) 172 (2017)
DOI: 10.3847/1538-4357/aa97dd
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Millimeter to X-ray flares from Sagittarius A*

A. Eckart, M. García-Marín, S. N. Vogel, et al.
Astronomy & Astrophysics 537 A52 (2012)
DOI: 10.1051/0004-6361/201117779
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Multiwavelength VLBI observations of Sagittarius A*

R.-S. Lu, T. P. Krichbaum, A. Eckart, et al.
Astronomy & Astrophysics 525 A76 (2011)
DOI: 10.1051/0004-6361/200913807
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An evolving hot spot orbiting around Sgr A*

M Zamaninasab, A Eckart, L Meyer, et al.
Journal of Physics: Conference Series 131 012008 (2008)
DOI: 10.1088/1742-6596/131/1/012008
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SIMULTANEOUS MULTI-WAVELENGTH OBSERVATIONS OF Sgr A* DURING 2007 APRIL 1-11

F. Yusef-Zadeh, H. Bushouse, M. Wardle, et al.
The Astrophysical Journal 706 (1) 348 (2009)
DOI: 10.1088/0004-637X/706/1/348
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Monitoring the Galactic Centre with the Australia Telescope Compact Array

A. Borkar, A. Eckart, C. Straubmeier, et al.
Monthly Notices of the Royal Astronomical Society 458 (3) 2336 (2016)
DOI: 10.1093/mnras/stw362
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Exploring plasma evolution during Sagittarius A* flares

S. Dibi, S. Markoff, R. Belmont, et al.
Monthly Notices of the Royal Astronomical Society 441 (2) 1005 (2014)
DOI: 10.1093/mnras/stu599
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Flare emission from Sagittarius A*

A Eckart, M García-Marín, S N Vogel, et al.
Journal of Physics: Conference Series 372 012022 (2012)
DOI: 10.1088/1742-6596/372/1/012022
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Sagittarius A* in the Infrared

Rainer Schödel
Journal of Physics: Conference Series 372 012020 (2012)
DOI: 10.1088/1742-6596/372/1/012020
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Near infrared variability of Sgr A* - spectral index measurements

G. Witzel, M. Morris, A. Ghez, et al.
Proceedings of the International Astronomical Union 9 (S303) 274 (2013)
DOI: 10.1017/S1743921314000738
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Results of optical monitoring of 5 SDSS double QSOs with the Nordic Optical Telescope

D. Paraficz, J. Hjorth and Á. Elíasdóttir
Astronomy & Astrophysics 499 (2) 395 (2009)
DOI: 10.1051/0004-6361/200811387
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DETECTING FLARING STRUCTURES IN SAGITTARIUS A* WITH HIGH-FREQUENCY VLBI

Sheperd S. Doeleman, Vincent L. Fish, Avery E. Broderick, Abraham Loeb and Alan E. E. Rogers
The Astrophysical Journal 695 (1) 59 (2009)
DOI: 10.1088/0004-637X/695/1/59
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Constraints on Jet‐driven Disk Accretion in Sagittarius A*

Erin J. D. Jolley and Zdenka Kuncic
The Astrophysical Journal 676 (1) 351 (2008)
DOI: 10.1086/527312
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Coordinated mm/sub-mm observations of Sagittarius A* in May 2007

D Kunneriath, A Eckart, S Vogel, et al.
Journal of Physics: Conference Series 131 012006 (2008)
DOI: 10.1088/1742-6596/131/1/012006
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Rubrik

S. Britzen, A. Eckart, C. Lämmerzahl, et al.
Astronomische Nachrichten 336 (5) 471 (2015)
DOI: 10.1002/asna.201512178
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The near-infrared spectral index of Sagittarius A* derived fromKs- andH-band flare statistics

M. Bremer, G. Witzel, A. Eckart, et al.
Astronomy & Astrophysics 532 A26 (2011)
DOI: 10.1051/0004-6361/201016134
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The instrumental polarization of the Nasmyth focus polarimetric differential imager NAOS/CONICA (NACO) at the VLT

G. Witzel, A. Eckart, R. M. Buchholz, et al.
Astronomy & Astrophysics 525 A130 (2011)
DOI: 10.1051/0004-6361/201015009
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Concurrent X-ray, near-infrared, sub-millimeter, and GeV gamma-ray observations of Sagittarius A*

G. Trap, A. Goldwurm, K. Dodds-Eden, et al.
Astronomy & Astrophysics 528 A140 (2011)
DOI: 10.1051/0004-6361/201015157
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SYNCHROTRON BLOB MODEL OF INFRARED AND X-RAY FLARES FROM SAGITTARIUS A*

Masaaki Kusunose and Fumio Takahara
The Astrophysical Journal 726 (1) 54 (2011)
DOI: 10.1088/0004-637X/726/1/54
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NEAR-INFRARED POLARIMETRY OF FLARES FROM Sgr A* WITH SUBARU/CIAO

Shogo Nishiyama, Motohide Tamura, Hirofumi Hatano, et al.
The Astrophysical Journal 702 (1) L56 (2009)
DOI: 10.1088/0004-637X/702/1/L56
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SAGITTARIUS A* ACCRETION FLOW AND BLACK HOLE PARAMETERS FROM GENERAL RELATIVISTIC DYNAMICAL AND POLARIZED RADIATIVE MODELING

Roman V. Shcherbakov, Robert F. Penna and Jonathan C. McKinney
The Astrophysical Journal 755 (2) 133 (2012)
DOI: 10.1088/0004-637X/755/2/133
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THE VARIABILITY OF SAGITTARIUS A* AT 3 MILLIMETER

Juan Li, Zhi-Qiang Shen, Atsushi Miyazaki, et al.
The Astrophysical Journal 700 (1) 417 (2009)
DOI: 10.1088/0004-637X/700/1/417
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The origin of hotspots around Sgr A*: orbital or pattern motion?

Tatsuya Matsumoto, Chi-Ho Chan and Tsvi Piran
Monthly Notices of the Royal Astronomical Society 497 (2) 2385 (2020)
DOI: 10.1093/mnras/staa2095
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Fifty Years of Energy Extraction from Rotating Black Hole: Revisiting Magnetic Penrose Process

Arman Tursunov and Naresh Dadhich
Universe 5 (5) 125 (2019)
DOI: 10.3390/universe5050125
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A polarized infrared flare from Sagittarius A* and the signatures of orbiting plasma hotspots

S. Trippe, T. Paumard, T. Ott, et al.
Monthly Notices of the Royal Astronomical Society 375 (3) 764 (2007)
DOI: 10.1111/j.1365-2966.2006.11338.x
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EVIDENCE FOR A PARSEC-SCALE JET FROM THE GALACTIC CENTER BLACK HOLE: INTERACTION WITH LOCAL GAS

Zhiyuan Li, Mark R. Morris and Frederick K. Baganoff
The Astrophysical Journal 779 (2) 154 (2013)
DOI: 10.1088/0004-637X/779/2/154
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A magnetohydrodynamic model for multiwavelength flares from Sagittarius A⋆ (I): model and the near-infrared and X-ray flares

Ya-Ping Li, Feng Yuan and Q. Daniel Wang
Monthly Notices of the Royal Astronomical Society 468 (3) 2552 (2017)
DOI: 10.1093/mnras/stx655
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A systematicChandrastudy of Sgr A⋆– I. X-ray flare detection

Qiang Yuan and Q. Daniel Wang
Monthly Notices of the Royal Astronomical Society 456 (2) 1438 (2016)
DOI: 10.1093/mnras/stv2778
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Sgr A* near-infrared flares from reconnection events in a magnetically arrested disc

J Dexter, A Tchekhovskoy, A Jiménez-Rosales, et al.
Monthly Notices of the Royal Astronomical Society 497 (4) 4999 (2020)
DOI: 10.1093/mnras/staa2288
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The 492 GHz emission of Sgr A* constrained by ALMA

Hauyu Baobab Liu, Melvyn C. H. Wright, Jun-Hui Zhao, et al.
Astronomy & Astrophysics 593 A44 (2016)
DOI: 10.1051/0004-6361/201628176
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Equations of Motion in Relativistic Gravity

A. Eckart, S. Britzen, M. Valencia-S., et al.
Fundamental Theories of Physics, Equations of Motion in Relativistic Gravity 179 759 (2015)
DOI: 10.1007/978-3-319-18335-0_22
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Modeling mm- to X-ray flare emission from Sagittarius A*

A. Eckart, F. K. Baganoff, M. R. Morris, et al.
Astronomy & Astrophysics 500 (3) 935 (2009)
DOI: 10.1051/0004-6361/200811354
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Impact of intrinsic polarization of Sgr A* historical flares on (polarization) properties of their X-ray echoes

Ildar Khabibullin, Eugene Churazov and Rashid Sunyaev
Monthly Notices of the Royal Astronomical Society 498 (3) 4379 (2020)
DOI: 10.1093/mnras/staa2619
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Probing the properties of the Milky Way's central supermassive black hole with stellar orbits

A. M. Ghez, S. Salim, N. Weinberg, et al.
Proceedings of the International Astronomical Union 3 (S248) 52 (2007)
DOI: 10.1017/S1743921308018620
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Near-infrared polarimetry setting constraints on the orbiting spot model for Sgr A* flares

L. Meyer, A. Eckart, R. Schödel, et al.
Astronomy & Astrophysics 460 (1) 15 (2006)
DOI: 10.1051/0004-6361:20065925
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The structure of the nuclear stellar cluster of the Milky Way

R. Schödel, A. Eckart, T. Alexander, et al.
Astronomy & Astrophysics 469 (1) 125 (2007)
DOI: 10.1051/0004-6361:20065089
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First proper motions of thin dust filaments at the Galactic center

K. Mužić, A. Eckart, R. Schödel, L. Meyer and A. Zensus
Astronomy & Astrophysics 469 (3) 993 (2007)
DOI: 10.1051/0004-6361:20066265
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Variability Timescale and Spectral Index of Sgr A* in the Near Infrared: Approximate Bayesian Computation Analysis of the Variability of the Closest Supermassive Black Hole

G. Witzel, G. Martinez, J. Hora, et al.
The Astrophysical Journal 863 (1) 15 (2018)
DOI: 10.3847/1538-4357/aace62
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Simultaneous NIR/sub-mm observation of flare emission from Sagittarius A*

A. Eckart, R. Schödel, M. García-Marín, et al.
Astronomy & Astrophysics 492 (2) 337 (2008)
DOI: 10.1051/0004-6361:200810924
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RELATIVE ASTROMETRY OF COMPACT FLARING STRUCTURES IN Sgr A* WITH POLARIMETRIC VERY LONG BASELINE INTERFEROMETRY

Michael D. Johnson, Vincent L. Fish, Sheperd S. Doeleman, et al.
The Astrophysical Journal 794 (2) 150 (2014)
DOI: 10.1088/0004-637X/794/2/150
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The Milky Way’s Supermassive Black Hole: How Good a Case Is It?

Andreas Eckart, Andreas Hüttemann, Claus Kiefer, et al.
Foundations of Physics 47 (5) 553 (2017)
DOI: 10.1007/s10701-017-0079-2
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A two component hot spot/ring model for the NIR flares of Sagittarius A*

Leonhard Meyer, Andreas Eckart, Rainer Schodel, et al.
Journal of Physics: Conference Series 54 443 (2006)
DOI: 10.1088/1742-6596/54/1/069
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On the orientation of the Sagittarius A* system

L. Meyer, R. Schödel, A. Eckart, et al.
Astronomy & Astrophysics 473 (3) 707 (2007)
DOI: 10.1051/0004-6361:20078009
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PROSPECTS FOR TESTING THE NATURE OF Sgr A*'s NEAR-INFRARED FLARES ON THE BASIS OF CURRENT VERY LARGE TELESCOPE—AND FUTURE VERY LARGE TELESCOPE INTERFEROMETER—OBSERVATIONS

N. Hamaus, T. Paumard, T. Müller, et al.
The Astrophysical Journal 692 (1) 902 (2009)
DOI: 10.1088/0004-637X/692/1/902
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Near-infrared polarimetry as a tool for testing properties of accreting supermassive black holes

M. Zamaninasab, A. Eckart, M. Dovčiak, et al.
Monthly Notices of the Royal Astronomical Society 413 (1) 322 (2011)
DOI: 10.1111/j.1365-2966.2010.18139.x
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The mean infrared emission of Sagittarius A*

R. Schödel, M. R. Morris, K. Muzic, et al.
Astronomy & Astrophysics 532 A83 (2011)
DOI: 10.1051/0004-6361/201116994
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Correlation between Flux and Spectral Index during Flares in Sagittarius A*

Jonathan M. Bittner, Siming Liu, Christopher L. Fryer and Vahe Petrosian
The Astrophysical Journal 661 (2) 863 (2007)
DOI: 10.1086/516743
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Polarized infrared emission from X-ray binary jets

David M. Russell and Rob P. Fender
Monthly Notices of the Royal Astronomical Society 387 (2) 713 (2008)
DOI: 10.1111/j.1365-2966.2008.13254.x
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A NEAR-INFRARED VARIABILITY STUDY OF THE GALACTIC BLACK HOLE: A RED NOISE SOURCE WITH NO DETECTED PERIODICITY

T. Do, A. M. Ghez, M. R. Morris, et al.
The Astrophysical Journal 691 (2) 1021 (2009)
DOI: 10.1088/0004-637X/691/2/1021
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An X‐Ray, Infrared, and Submillimeter Flare of Sagittarius A*

D. P. Marrone, F. K. Baganoff, M. R. Morris, et al.
The Astrophysical Journal 682 (1) 373 (2008)
DOI: 10.1086/588806
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Schwarze Löcher in Galaxienzentren

Silke Britzen and Andreas Müller
Physik in unserer Zeit 48 (1) 30 (2017)
DOI: 10.1002/piuz.201601449
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Statistical and theoretical studies of flares from Sagittarius A⋆

Ya-Ping Li, Qiang Yuan, Q. Daniel Wang, et al.
Proceedings of the International Astronomical Union 11 (S322) 31 (2016)
DOI: 10.1017/S1743921316012540
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Tidal effects on small bodies by massive black holes

U. Kostić, A. Čadež, M. Calvani and A. Gomboc
Astronomy & Astrophysics 496 (2) 307 (2009)
DOI: 10.1051/0004-6361/200811059
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Testing for periodicities in near-IR light curves of Sgr A*

Tuan Do, Andrea M Ghez, Mark R Morris, et al.
Journal of Physics: Conference Series 131 012003 (2008)
DOI: 10.1088/1742-6596/131/1/012003
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Probing the Magnetic Field Structure in Sgr A* on Black Hole Horizon Scales with Polarized Radiative Transfer Simulations

Roman Gold, Jonathan C. McKinney, Michael D. Johnson and Sheperd S. Doeleman
The Astrophysical Journal 837 (2) 180 (2017)
DOI: 10.3847/1538-4357/aa6193
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EXTENDED SUBMILLIMETER EMISSION OF THE GALACTIC CENTER AND NEAR-INFRARED/SUBMILLIMETER VARIABILITY OF ITS SUPERMASSIVE BLACK HOLE

M. García-Marín, A. Eckart, A. Weiss, et al.
The Astrophysical Journal 738 (2) 158 (2011)
DOI: 10.1088/0004-637X/738/2/158
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NuSTARDETECTION OF HIGH-ENERGY X-RAY EMISSION AND RAPID VARIABILITY FROM SAGITTARIUS A⋆FLARES

Nicolas M. Barrière, John A. Tomsick, Frederick K. Baganoff, et al.
The Astrophysical Journal 786 (1) 46 (2014)
DOI: 10.1088/0004-637X/786/1/46
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Wisps in the Galactic center: Near-infrared triggered observations of the radio source Sgr A* at 43 GHz

C. Rauch, E. Ros, T. P. Krichbaum, et al.
Astronomy & Astrophysics 587 A37 (2016)
DOI: 10.1051/0004-6361/201527286
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The power of new experimental techniques in astronomy: zooming in on the black hole in the Center of the Milky Way

Reinhard Genzel
Proceedings of the International Astronomical Union 2 (14) (2006)
DOI: 10.1017/S1743921307009854
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TIME-DEPENDENT MODELS OF FLARES FROM SAGITTARIUS A*

Katie Dodds-Eden, Prateek Sharma, Eliot Quataert, et al.
The Astrophysical Journal 725 (1) 450 (2010)
DOI: 10.1088/0004-637X/725/1/450
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Galactic center research: manifestations of the central black hole

Mark R. Morris, Leo Meyer and Andrea M. Ghez
Research in Astronomy and Astrophysics 12 (8) 995 (2012)
DOI: 10.1088/1674-4527/12/8/007
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The possibility of detecting Sagittarius A* at 8.6$\,\mu$m from sensitive imaging of the Galactic center

R. Schödel, A. Eckart, K. Mužić, et al.
Astronomy & Astrophysics 462 (1) L1 (2007)
DOI: 10.1051/0004-6361:20066590
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Low angular momentum flow model of Sgr A* activity

B Czerny and M Mościbrodzka
Journal of Physics: Conference Series 131 012001 (2008)
DOI: 10.1088/1742-6596/131/1/012001
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How to hide large-scale outflows: size constraints on the jets of Sgr A

S. Markoff, G. C. Bower and H. Falcke
Monthly Notices of the Royal Astronomical Society 379 (4) 1519 (2007)
DOI: 10.1111/j.1365-2966.2007.12071.x
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A Constant Spectral Index for Sagittarius A* during Infrared/X‐Ray Intensity Variations

S. D. Hornstein, K. Matthews, A. M. Ghez, et al.
The Astrophysical Journal 667 (2) 900 (2007)
DOI: 10.1086/520762
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Unstable mass-outflows in geometrically thick accretion flows around black holes

Toru Okuda and Santabrata Das
Monthly Notices of the Royal Astronomical Society 453 (1) 147 (2015)
DOI: 10.1093/mnras/stv1626
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POLARIZED EMISSION OF SAGITTARIUS A*

Lei Huang, Siming Liu, Zhi-Qiang Shen, et al.
The Astrophysical Journal 703 (1) 557 (2009)
DOI: 10.1088/0004-637X/703/1/557
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FAR INFRARED VARIABILITY OF SAGITTARIUS A*: 25.5 hr OF MONITORING WITHHERSCHEL

Jordan M. Stone, D. P. Marrone, C. D. Dowell, et al.
The Astrophysical Journal 825 (1) 32 (2016)
DOI: 10.3847/0004-637X/825/1/32
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Using infrared/X-ray flare statistics to probe the emission regions near the event horizon of Sgr A*

S. Dibi, S. Markoff, R. Belmont, et al.
Monthly Notices of the Royal Astronomical Society 461 (1) 552 (2016)
DOI: 10.1093/mnras/stw1353
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Modelling the black hole silhouette in Sagittarius A* with ion tori

O. Straub, F. H. Vincent, M. A. Abramowicz, E. Gourgoulhon and T. Paumard
Astronomy & Astrophysics 543 A83 (2012)
DOI: 10.1051/0004-6361/201219209
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Magnetic fields in the galactic Universe, as observed in supershells, galaxies, intergalactic and cosmic realms

Jacques P. Vallée
New Astronomy Reviews 55 (3-4) 91 (2011)
DOI: 10.1016/j.newar.2011.01.002
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Results from an Extensive Simultaneous Broadband Campaign on the Underluminous Active Nucleus M81*: Further Evidence for Mass‐scaling Accretion in Black Holes

Sera Markoff, Michael Nowak, Andrew Young, et al.
The Astrophysical Journal 681 (2) 905 (2008)
DOI: 10.1086/588718
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Coordinated multi-wavelength observations of Sgr A*

A Eckart, R Schödel, F K Baganoff, et al.
Journal of Physics: Conference Series 131 012002 (2008)
DOI: 10.1088/1742-6596/131/1/012002
See this article

The Galactic Center massive black hole and nuclear star cluster

Reinhard Genzel, Frank Eisenhauer and Stefan Gillessen
Reviews of Modern Physics 82 (4) 3121 (2010)
DOI: 10.1103/RevModPhys.82.3121
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Accretion of low angular momentum material onto black holes: radiation properties of axisymmetric MHD flows

M. Moscibrodzka, D. Proga, B. Czerny and A. Siemiginowska
Astronomy & Astrophysics 474 (1) 1 (2007)
DOI: 10.1051/0004-6361:20077703
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Polarized light from Sagittarius A* in the near-infraredKs-band

B. Shahzamanian, A. Eckart, M. Valencia-S., et al.
Astronomy & Astrophysics 576 A20 (2015)
DOI: 10.1051/0004-6361/201425239
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EVIDENCE FOR X-RAY SYNCHROTRON EMISSION FROM SIMULTANEOUS MID-INFRARED TO X-RAY OBSERVATIONS OF A STRONG Sgr A* FLARE

K. Dodds-Eden, D. Porquet, G. Trap, et al.
The Astrophysical Journal 698 (1) 676 (2009)
DOI: 10.1088/0004-637X/698/1/676
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Resolved magnetic-field structure and variability near the event horizon of Sagittarius A

M. D. Johnson, V. L. Fish, S. S. Doeleman, et al.
Science 350 (6265) 1242 (2015)
DOI: 10.1126/science.aac7087
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