G. Witzel

发表

Submillimeter and radio variability of Sagittarius A* - A statistical analysis

A. Eckart, C. Straubmeier, B. Shahzamanian, 2017 .

Testing General Relativity with Stellar Orbits around the Supermassive Black Hole in Our Galactic Center.

Jessica R. Lu, A. M. Ghez, G. Witzel, 2017, Physical review letters.

AN IMPROVED DISTANCE AND MASS ESTIMATE FOR SGR A* FROM A MULTISTAR ORBIT ANALYSIS

Jessica R. Lu, A. M. Ghez, G. Witzel, 2016, 1607.05726.

Millimeter to X-ray flares from Sagittarius A*

J. A. Zensus, Gunther Witzel, Christian Straubmeier, 2012 .

Intrinsic Near-Infrared Properties of the Variable Source Sagittarius A*

G. Witzel, 2012 .

EXTENDED SUBMILLIMETER EMISSION OF THE GALACTIC CENTER AND NEAR-INFRARED/SUBMILLIMETER VARIABILITY OF ITS SUPERMASSIVE BLACK HOLE

A. Weiss, M. Bremer, K. Mužić, 2011 .

Coordinated NIR/mm observations of flare emission from Sagittarius A*

J. A. Zensus, A. Eckart, C. Straubmeier, 2010, 1008.1560.

Near infrared flares of Sagittarius A* - Importance of near infrared polarimetry

K. Mužić, A. Eckart, V. Karas, 2009, 0911.4659.

The extreme luminosity states of Sagittarius A

Bonn, Granada, H Germany, 2010, 1001.1351.

A 600 Minute Near-Infrared Light Curve of Sagittarius A*

A. Eckart, R. Schoedel, A. Ghez, 2008, 0809.2580.

Coordinated multi-wavelength observations of Sgr A*

K. Mužić, T. Bertram, W. Duschl, 2007, 0810.0168.

Simultaneous X-Ray and Infrared Observations of Sagittarius A*'s Variability

G. Fazio, E. Becklin, M. Morris, 2018, The Astrophysical journal.

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. Fazio, E. Becklin, C. Gammie, 2018, The Astrophysical journal.

LUMINOUS ACCRETION ONTO THE DARK MASS AT THE CENTER OF THE MILKY WAY

K. Mužić, A. Eckart, D. Kunneriath, 2009 .

Near-infrared proper motions and spectroscopy of infrared excess sources at the Galactic center

K. Mužić, A. Eckart, J. Moultaka, 2012, 1208.1907.

Multiwavelength Light Curves of Two Remarkable Sagittarius A* Flares

M. Gurwell, G. Fazio, E. Becklin, 2018, The Astrophysical journal.

THE X-RAY FLUX DISTRIBUTION OF SAGITTARIUS A* AS SEEN BY CHANDRA

N. Barrière, C. Gammie, J. Dexter, 2014, 1412.3106.

Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Marcos Emir Moreno Nolasco, Chih-Wei L. Huang, P. K. Leung, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

Multiwavelength Variability of Sagittarius A* in 2019 July

M. Gurwell, A. Eckart, T. Do, 2022, The Astrophysical Journal.

Merging Binaries in the Galactic Center: The eccentric Kozai-Lidov mechanism with stellar evolution

A. Ghez, T. Do, B. Kocsis, 2016, 1603.02709.

High-frequency VLBI observations of Sgr A* during a multi-frequency campaign in May 2007

A. Eckart, T. Krichbaum, J. Zensus, 2008, 0809.2463.

First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI

Daniel C. M. Palumbo, Michael F. Wondrak, P. K. Leung, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

SPITZER/IRAC OBSERVATIONS OF THE VARIABILITY OF Sgr A* AND THE OBJECT G2 AT 4.5 μm

G. Fazio, E. Becklin, J. Ingalls, 2014, 1408.1951.

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Marcos Emir Moreno Nolasco, Chih-Wei L. Huang, P. K. Leung, 2022, The Astrophysical Journal Letters.

Envisioning the next decade of Galactic Center science: a laboratory for the study of the physics and astrophysics of supermassive black holes

Jessica R. Lu, W. E. Kerzendorf, R. Beaton, 2019, 1903.05293.

First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

Chih-Wei L. Huang, P. K. Leung, Alexander W. Raymond, 2022, The Astrophysical Journal Letters.

The Post-periapsis Evolution of Galactic Center Source G1: The Second Case of a Resolved Tidal Interaction with a Supermassive Black Hole

A. Ghez, J. Lu, T. Do, 2017, 1707.02301.

Observations of NIR polarized light from Sagittarius A*

A. Eckart, B. Shahzamanian, G. Witzel, 2013, Proceedings of the International Astronomical Union.

An Adaptive Optics Survey of Stellar Variability at the Galactic Center

Jessica R. Lu, E. Becklin, K. Matthews, 2018, The Astrophysical Journal.

Erratum: “Simultaneous X-Ray and Infrared Observations of Sagittarius A*'s Variability” (2019, ApJ, 871, 161)

M. Morris, D. Haggard, G. Ponti, 2021, The Astrophysical Journal.

Second-scale Submillimeter Variability of Sagittarius A* during Flaring Activity of 2019: On the Origin of Bright Near-infrared Flares

L. Murchikova, G. Witzel, 2021, The Astrophysical Journal Letters.

The Keplerian orbit of G2

E. Becklin, A. Ghez, J. Lu, 2013, Proceedings of the International Astronomical Union.

Galactic Center Source G1 and other G2-like Sources

Jessica R. Lu, K. Matthews, A. Ghez, 2015 .

The Keplerian orbit of G 2

E. Becklin, A. Ghez, J. Lu, 2014 .

Resolving the Inner Parsec of the Blazar J1924–2914 with the Event Horizon Telescope

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal.

Constraining particle acceleration in Sgr A* with simultaneous GRAVITY, Spitzer, NuSTAR, and Chandra observations

G. Perrin, R. Abuter, W. Brandner, 2021, Astronomy & Astrophysics.

AIROPA II: modeling instrumental aberrations for off-axis point spread functions in adaptive optics

Jessica R. Lu, P. Turri, M. Fitzgerald, 2022, Journal of Astronomical Telescopes, Instruments, and Systems.

AIROPA III: testing simulated and on-sky data

Jessica R. Lu, P. Turri, S. Ragland, 2022, Journal of Astronomical Telescopes, Instruments, and Systems.

Sensitivity of astrometry and photometry estimation to spatial variations of the PSF

P. Turri, J. Lu, G. Witzel, 2019 .

Flaremodel: An open-source python package for one-zone numerical modelling of synchrotron sources

P. D. Zeeuw, R. Genzel, F. Eisenhauer, 2021, Astronomy & Astrophysics.

Unprecedented variability of Sgr A* in NIR

Caltech, E. Becklin, K. Matthews, 2019, 1908.01777.

OJ287 taken to pieces: the origin of a precessing and rotating jet

I. Pashchenko, A. Eckart, M. Aller, 2017 .

Sub-Millimeter View of the Galactic Center

M. Bremer, K. Mužić, W. Duschl, 2011 .

AIROPA IV: Validating point spread function reconstruction on various science cases

Jessica R. Lu, P. Turri, M. Fitzgerald, 2022, Journal of Astronomical Telescopes, Instruments, and Systems.

AIROPA: Off-axis adaptive optics PSF reconstruction in simulation, on-bench, and on-sky.

Jessica R. Lu, P. Turri, A. Ghez, 2022, Adaptive Optics Systems VIII.

Adaptive Optics for Extremely Large Telescopes 4 – Conference

P. Wizinowich, L. Jolissaint, S. Ragland, 2016 .

Near-infrared polarization in the central parsec of the galactic center

K. Mužić, A. Eckart, R. Buchholz, 2012 .

KECK OBSERVATIONS OF THE GALACTIC CENTER SOURCE G2: GAS CLOUD OR STAR?

E. Becklin, K. Matthews, A. Ghez, 2013, 1304.5280.

A precessing and nutating jet in OJ287

I. Pashchenko, A. Eckart, M. Aller, 2018, Proceedings of the International Astronomical Union.

Near infrared flares of Sagittarius A*

A. Eckart, M. Bremer, V. Karas, 2010 .

SOURCE-INTRINSIC NEAR-INFRARED PROPERTIES OF SGR A*: TOTAL INTENSITY MEASUREMENTS

R. Lenzen, A. Eckart, V. Karas, 2012, 1208.5836.

Relativistic redshift of the star S0-2 orbiting the Galactic Center supermassive black hole

Jessica R. Lu, Gunther Witzel, Tuan Do, 2019, Science.

Modeling mm- to X-ray flare emission from Sagittarius A*

W. Brandt, K. Mužić, G. Ricker, 2009, 0904.2460.

Flare emission from Sagittarius A*

K. Mužić, P. Teuben, A. Eckart, 2012, 1208.1135.

An evolving hot spot orbiting around Sgr A

A. Eckart, R. Schoedel, V. Karas, 2008, 0810.0138.

Near-infrared polarimetry as a tool for testing properties of accreting supermassive black holes

K. Mužić, A. Eckart, R. Schoedel, 2011, 1102.0775.

The Galactic Center: An Improved Astrometric Reference Frame for Stellar Orbits around the Supermassive Black Hole

Jessica R. Lu, Gunther Witzel, Tuan Do, 2019, The Astrophysical Journal.

Ks- and Lp-band polarimetry on stellar and bow-shock sources in the Galactic center

A. Eckart, R. Schoedel, R. Buchholz, 2013, 1308.0956.

Adaptive-optics assisted near-infrared polarization measurements of sources in the Galactic center

K. Mužić, A. Eckart, R. Buchholz, 2011, 1107.3781.

Polarized light from Sagittarius A* in the near-infrared K_{s}-band

A. Eckart, J. Moultaka, V. Karas, 2014, 1411.0006.

THE INTRINSIC TWO-DIMENSIONAL SIZE OF SAGITTARIUS A*

H. Falcke, A. Ghez, G. Bower, 2014, 1405.1456.

The near-infrared spectral index of Sagittarius A* derived from Ks- and H-band flare statistics

W. Duschl, A. Eckart, R. Buchholz, 2011 .

The instrumental polarization of the Nasmyth focus polarimetric differential imager NAOS/CONICA (NACO) at the VLT - Implications for time-resolved polarimetric measurements of Sgr A*

R. Lenzen, A. Eckart, C. Straubmeier, 2010, 1010.4708.

UvA-DARE ( Digital Academic Repository ) Simultaneous NIR / sub-mm observation of flare emission from Sagittarius A *

K. Mužić, T. Bertram, W. Duschl, 2008 .

The Event Horizon Telescope Image of the Quasar NRAO 530

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal.

Confusing Binaries: The Role of Stellar Binaries in Biasing Disk Properties in the Galactic Center

Jessica R. Lu, A. Ghez, T. Do, 2018, 1801.03934.

Investigating the Binarity of S0-2: Implications for Its Origins and Robustness as a Probe of the Laws of Gravity around a Supermassive Black Hole

Jessica R. Lu, K. Matthews, A. Ghez, 2017, 1709.04890.

DETECTION OF GALACTIC CENTER SOURCE G2 AT 3.8 μm DURING PERIAPSE PASSAGE

P. Wizinowich, A. Ghez, T. Do, 2014, 1410.1884.

Off-axis PSF reconstruction for integral field spectrograph: instrumental aberrations and application to Keck/OSIRIS data

Jessica R. Lu, Michael P. Fitzgerald, Gunther Witzel, 2018, Astronomical Telescopes + Instrumentation.

Rapid Variability of Sgr A* across the Electromagnetic Spectrum

M. Gurwell, G. Fazio, E. Becklin, 2020, 2011.09582.

General relativistic MHD simulations of non-thermal flaring in Sagittarius A*

A. Tchekhovskoy, T. Do, D. Haggard, 2020, Monthly Notices of the Royal Astronomical Society.

Consistency of the Infrared Variability of SGR A* over 22 yr

Jessica R. Lu, E. Becklin, K. Matthews, 2019, The Astrophysical Journal.

Improving Orbit Estimates for Incomplete Orbits with a New Approach to Priors: with Applications from Black Holes to Planets

O. Paris, Q. Konopacky, E. Becklin, 2018, The Astronomical Journal.

Coordinated mm/sub-mm observations of Sagittarius A* in May 2007

K. Mužić, T. Bertram, W. Duschl, 2008, 0810.0177.

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Daniel C. M. Palumbo, Marcos Emir Moreno Nolasco, Michael F. Wondrak, 2023, 2311.08680.

First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multi-wavelength Observations, Data Processing, and Calibration

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, 2311.08679.

OJ287: deciphering the ‘Rosetta stone of blazars’

I. Pashchenko, A. Eckart, M. Aller, 2018 .

Comparison of Polarized Radiative Transfer Codes Used by the EHT Collaboration

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal.

General relativistic effects and the near-infrared and X-ray variability of Sgr A* I

G. Perrin, E. Ros, M. Bordoni, 2023, Astronomy & Astrophysics.

Kinematic Structure of the Galactic Center S Cluster

A. Eckart, M. Zajaček, F. Peißker, 2020, The Astrophysical Journal.

The S-star cluster at the center of the Milky Way - On the nature of diffuse NIR emission in the inner tenth of a parsec

A. Eckart, D. Merritt, R. Buchholz, 2012, 1203.2625.

First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal Letters.

First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal Letters.

Multiwavelength VLBI observations of Sagittarius A

Sven Koenig, A. Eckart, T. Krichbaum, 2010, 1010.1287.

A Search for Pulsars around Sgr A* in the First Event Horizon Telescope Data Set

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2023, The Astrophysical Journal.

First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

Daniel C. M. Palumbo, Michael F. Wondrak, Chih-Wei L. Huang, 2022, The Astrophysical Journal Letters.

Comet-shaped sources at the Galactic center - Evidence of a wind from the central 0.2 pc

K. Mužić, A. Eckart, R. Schoedel, 2010, 1006.0909.

UvA-DARE (Digital Academic Repository) A search for pulsars around Sgr A* in the first Event Horizon Telescope data set

Guangyao Zhao, J. Zensus, A. Young, 2022 .

Unprecedented Near-infrared Brightness and Variability of Sgr A*

E. Becklin, K. Matthews, A. Ghez, 2019, The Astrophysical Journal.

First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring

Chih-Wei L. Huang, K. Souccar, T. Lauer, 2024, The Astrophysical Journal Letters.

A Collection of German Science Interests in the Next Generation Very Large Array

National Radio Astronomy Observatory, Bochum, Iap, 2023, 2311.10056.

First Sagittarius A* Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring

Chih-Wei L. Huang, K. Souccar, T. Lauer, 2024, The Astrophysical Journal Letters.