[HTML][HTML] First Sagittarius A* event horizon telescope results. III. Imaging of the galactic center supermassive black hole

K Akiyama, A Alberdi, W Alef, JC Algaba… - The Astrophysical …, 2022 - iopscience.iop.org
First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center
Supermassive Black Hole - IOPscience Skip to content IOP Science home Accessibility Help …

First Sagittarius A* event horizon telescope results. IV. Variability, morphology, and black hole mass

K Akiyama, A Alberdi, W Alef, JC Algaba… - The Astrophysical …, 2022 - iopscience.iop.org
In this paper we quantify the temporal variability and image morphology of the horizon-scale
emission from Sgr A*, as observed by the EHT in 2017 April at a wavelength of 1.3 mm. We …

First M87 event horizon telescope results. VII. Polarization of the ring

K Akiyama, JC Algaba, A Alberdi, W Alef… - The Astrophysical …, 2021 - iopscience.iop.org
Abstract In 2017 April, the Event Horizon Telescope (EHT) observed the near-horizon region
around the supermassive black hole at the core of the M87 galaxy. These 1.3 mm …

[HTML][HTML] First M87 event horizon telescope results. IV. Imaging the central supermassive black hole

K Akiyama, A Alberdi, W Alef, K Asada… - The Astrophysical …, 2019 - iopscience.iop.org
First M87 Event Horizon Telescope Results. IV. Imaging the Central Supermassive Black Hole
- IOPscience This site uses cookies. By continuing to use this site you agree to our use of …

First M87 event horizon telescope results. VI. The shadow and mass of the central black hole

K Akiyama, A Alberdi, W Alef, K Asada… - The Astrophysical …, 2019 - iopscience.iop.org
We present measurements of the properties of the central radio source in M87 using Event
Horizon Telescope data obtained during the 2017 campaign. We develop and fit geometric …

First M87 event horizon telescope results. I. The shadow of the supermassive black hole

Event Horizon Telescope Collaboration - arXiv preprint arXiv …, 2019 - arxiv.org
When surrounded by a transparent emission region, black holes are expected to reveal a
dark shadow caused by gravitational light bending and photon capture at the event horizon …

On the application of machine learning in astronomy and astrophysics: A text‐mining‐based scientometric analysis

JV Rodríguez, I Rodríguez‐Rodríguez… - … Reviews: Data Mining …, 2022 - Wiley Online Library
Since the beginning of the 21st century, the fields of astronomy and astrophysics have
experienced significant growth at observational and computational levels, leading to the …

Silhouettes of invisible black holes

VI Dokuchaev, NO Nazarova - Physics-Uspekhi, 2020 - iopscience.iop.org
In general relativity, isolated black holes are invisible due to the infinitely large redshift of
photons propagating from the event horizon to a remote observer. However, the dark …

First M87 event horizon telescope results. IV. Imaging the central supermassive black hole

Event Horizon Telescope Collaboration - arXiv preprint arXiv …, 2019 - arxiv.org
We present the first Event Horizon Telescope (EHT) images of M87, using observations from
April 2017 at 1.3 mm wavelength. These images show a prominent ring with a diameter of …

Interferometric imaging directly with closure phases and closure amplitudes

AA Chael, MD Johnson, KL Bouman… - The Astrophysical …, 2018 - iopscience.iop.org
Interferometric imaging now achieves angular resolutions as fine as∼ 10 μas, probing
scales that are inaccessible to single telescopes. Traditional synthesis imaging methods …