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Gamma-ray flares from the jet of the blazar CTA 102 in 2016–2018

Astronomy & Astrophysics
2025-02 | Journal article
Contributors: Sanghyun Kim; Sang-Sung Lee; Juan Carlos Algaba; Bindu Rani; Jongho Park; Hyeon-Woo Jeong; Whee Yeon Cheong; Filippo D’Ammando; Anne Lähteenmäki; Merja Tornikoski et al.
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Crossref

Kilogauss magnetic field and jet dynamics in the quasar NRAO 530

Astronomy & Astrophysics
2025-01 | Journal article
Contributors: Mikhail Lisakov; Svetlana Jorstad; Maciek Wielgus; Evgeniya V. Kravchenko; Aleksei S. Nikonov; Ilje Cho; Sara Issaoun; Juan-Carlos Algaba; Thomas P. Krichbaum; Uwe Bach et al.
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Crossref

The persistent shadow of the supermassive black hole of M87

Astronomy & Astrophysics
2025-01 | Journal article
Contributors: Kazunori Akiyama; Ezequiel Albentosa-Ruíz; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko et al.
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Crossref

Broadband multi-wavelength properties of M87 during the 2018 EHT campaign including a very high energy flaring episode

Astronomy & Astrophysics
2024-12 | Journal article
Contributors: J. C. Algaba; M. Baloković; S. Chandra; W.-Y. Cheong; Y.-Z. Cui; F. D’Ammando; A. D. Falcone; N. M. Ford; M. Giroletti; C. Goddi et al.
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Crossref

Dark energy stars with cosmological constant as a black-hole mimickers

Modern Physics Letters A
2024-12-14 | Journal article
Contributors: Muhamad Ashraf Azman; Norhasliza Yusof; Hasan Abu Kassim; Juan Carlos Marcos Algaba
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Dark energy stars in the context of black holes — The physical profiles

Modern Physics Letters A
2024-04-10 | Journal article
Contributors: Muhamad Ashraf Azman; Norhasliza Yusof; Hasan Abu Kassim; Juan Carlos Algaba Marcos
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Crossref

A Study of the Radio Spectrum of Mrk 421

The Astrophysical Journal
2024-04-01 | Journal article
Contributors: Jee Won Lee; Sang-Sung Lee; Jeffrey Hodgson; Juan-Carlos Algaba; Sanghyun Kim; Whee Yeon Cheong; Hyeon-Woo Jeong; Sincheol Kang
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Crossref

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

The Astrophysical Journal Letters
2024-04-01 | Journal article
Contributors: The Event Horizon Telescope Collaboration; Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko et al.
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Crossref

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

The Astrophysical Journal Letters
2024-04-01 | Journal article
Contributors: The Event Horizon Telescope Collaboration; Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko et al.
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Crossref

The persistent shadow of the supermassive black hole of M 87

Astronomy & Astrophysics
2024-01 | Journal article
Contributors: Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko; David Ball et al.
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Crossref

A ring-like accretion structure in M87 connecting its black hole and jet

arXiv
2023 | Other
EID:

2-s2.0-85159674149

Part of ISSN: 23318422
Contributors: Lu, R.-S.; Asada, K.; Krichbaum, T.P.; Park, J.; Tazaki, F.; Pu, H.-Y.; Nakamura, M.; Lobanov, A.; Hada, K.; Akiyama, K. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

A ring-like accretion structure in M87 connecting its black hole and jet

Nature
2023 | Journal article
EID:

2-s2.0-85153905914

Part of ISSN: 14764687 00280836
Contributors: Lu, R.-S.; Asada, K.; Krichbaum, T.P.; Park, J.; Tazaki, F.; Pu, H.-Y.; Nakamura, M.; Lobanov, A.; Hada, K.; Akiyama, K. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Comparison of Polarized Radiative Transfer Codes used by the EHT Collaboration

arXiv
2023 | Other
EID:

2-s2.0-85151330988

Part of ISSN: 23318422
Contributors: Prather, B.S.; Dexter, J.; Moscibrodzka, M.; Pu, H.-Y.; Bronzwaer, T.; Davelaar, J.; Younsi, Z.; Gammie, C.F.; Gold, R.; Wong, A.G.N. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Comparison of Polarized Radiative Transfer Codes Used by the EHT Collaboration

Astrophysical Journal
2023 | Journal article
EID:

2-s2.0-85163933595

Part of ISSN: 15384357 0004637X
Contributors: Prather, B.S.; Dexter, J.; Moscibrodzka, M.; Pu, H.-Y.; Bronzwaer, T.; Davelaar, J.; Younsi, Z.; Gammie, C.F.; Gold, R.; Wong, G.N. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Monitoring the Size and Flux Density of Sgr A* during the Active State in 2019 with East Asian VLBI Network

arXiv
2023 | Other
EID:

2-s2.0-85150634184

Part of ISSN: 23318422
Contributors: Cheng, X.; Cho, I.; Kawashima, T.; Kino, M.; Zhao, G.-Y.; Algaba, J.-C.; Kofuji, Y.; Lee, S.-S.; Lee, J.-W.; Cheong, W.Y. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Precessing jet nozzle connecting to a spinning black hole in M87

Research Square
2023 | Other
EID:

2-s2.0-85167542158

Contributors: Cui, Y.; Hada, K.; Kawashima, T.; Kino, M.; Lin, W.; Honma, M.; Ro, H.; Mizuno, Y.; Yi, K.; Yu, J. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Spectral analysis of a parsec-scale jet in M 87: Observational constraint on the magnetic field strengths in the jet

Astronomy and Astrophysics
2023 | Journal article
EID:

2-s2.0-85161028820

Part of ISSN: 14320746 00046361
Contributors: Ro, H.; Kino, M.; Sohn, B.W.; Hada, K.; Park, J.; Nakamura, M.; Cui, Y.; Yi, K.; Chung, A.; Hodgson, J. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Spectral analysis of a parsec-scale jet in M87: Observational constraint on the magnetic field strengths in the jet

arXiv
2023 | Other
EID:

2-s2.0-85150003766

Part of ISSN: 23318422
Contributors: Ro, H.; Kino, M.; Sohn, B.W.; Hada, K.; Park, J.; Nakamura, M.; Cui, Y.; Yi, K.; Chung, A.; Hodgson, J. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

The Event Horizon Telescope Image of the Quasar NRAO 530

arXiv
2023 | Other
EID:

2-s2.0-85148761147

Part of ISSN: 23318422
Contributors: Jorstad, S.; Wielgus, M.; Lico, R.; Issaoun, S.; Broderick, A.E.; Pesce, D.W.; Liu, J.; Zhao, G.-Y.; Krichbaum, T.P.; Blackburn, L. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

The Event Horizon Telescope Image of the Quasar NRAO 530

Astrophysical Journal
2023 | Journal article
EID:

2-s2.0-85147804420

Part of ISSN: 15384357 0004637X
Contributors: Jorstad, S.; Wielgus, M.; Lico, R.; Issaoun, S.; Broderick, A.E.; Pesce, D.W.; Liu, J.; Zhao, G.-Y.; Krichbaum, T.P.; Blackburn, L. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

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

The Astrophysical Journal Letters
2023-11-01 | Journal article
Contributors: Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko; David Ball et al.
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Crossref

Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes

The Astrophysical Journal Letters
2023-11-01 | Journal article
Contributors: Freek Roelofs; Michael D. Johnson; Andrew Chael; Michael Janssen; Maciek Wielgus; Avery E. Broderick; Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba et al.
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Precessing jet nozzle connecting to a spinning black hole in M87

Nature
2023-09-28 | Journal article | Author
Part of ISSN: 0028-0836
Part of ISSN: 1476-4687
Contributors: Yuzhu Cui (崔玉竹); Kazuhiro Hada; Tomohisa Kawashima; Motoki Kino; Weikang Lin; Yosuke Mizuno; Hyunwook Ro; Mareki Honma; Kunwoo ­Yi; Jintao Yu et al.
Source: Self-asserted source
Juan Carlos Algaba

Monitoring the Size and Flux Density of Sgr A* during the Active State in 2019 with East Asian VLBI Network

Galaxies
2023-03-20 | Journal article
Contributors: Xiaopeng Cheng; Ilje Cho; Tomohisa Kawashima; Motoki Kino; Guang-Yao Zhao; Juan-Carlos Algaba; Yutaro Kofuji; Sang-Sung Lee; Jee-Won Lee; Whee Yeon Cheong et al.
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Control system performance of a 7.3-meter radio telescope converted from telecommunication antenna to radio astronomy purposes in Malaysia

Journal of Astronomical Telescopes, Instruments, and Systems
2022 | Journal article
EID:

2-s2.0-85159668069

Part of ISSN: 23294221 23294124
Contributors: Abidin, Z.Z.; Ramadhani, F.; Algaba, J.C.; Shah, N.M.; Dahari, M.; Wan Mokhtar, W.Z.A.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Millimeter light curves of Sagittarius A<sup>∗</sup> observed during the 2017 Event Horizon Telescope campaign

arXiv
2022 | Other
EID:

2-s2.0-85134821457

Part of ISSN: 23318422
Contributors: Wielgus, M.; Marchili, N.; Martí-Vidal, I.; Keating, G.K.; Ramakrishnan, V.; Tiede, P.; Fomalont, E.; Issaoun, S.; Neilsen, J.; Nowak, M.A. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)

arXiv
2022 | Other
EID:

2-s2.0-85144800013

Part of ISSN: 23318422
Contributors: Akiyama, K.; Algaba, J.-C.; An, T.; Asada, K.; Asanok, K.; Byun, D.-Y.; Chanapote, T.; Chen, W.; Chen, Z.; Cheng, X. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Polarization Observations of AGN Jets: Past and Future

arXiv
2022 | Other
EID:

2-s2.0-85141384230

Part of ISSN: 23318422
Contributors: Park, J.; Algaba, J.C.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)

Galaxies
2022-12-07 | Journal article
Contributors: Kazunori Akiyama; Juan-Carlos Algaba; Tao An; Keiichi Asada; Kitiyanee Asanok; Do-Young Byun; Thanapol Chanapote; Wen Chen; Zhong Chen; Xiaopeng Cheng et al.
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Polarization Observations of AGN Jets: Past and Future

Galaxies
2022-10-20 | Journal article
Contributors: Jongho Park; Juan Carlos Algaba
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Resolving the Inner Parsec of the Blazar J1924-2914 with the Event Horizon Telescope

The Astrophysical Journal
2022-08 | Journal article
Contributors: Issaoun, Sara; Wielgus, Maciek; Jorstad, Svetlana; Krichbaum, Thomas P.; Blackburn, Lindy; Janssen, Michael; Chan, Chi-kwan; Pesce, Dominic W.; Gómez, José L.; Akiyama, Kazunori et al.
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NASA Astrophysics Data System
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A Universal Power-law Prescription for Variability from Synthetic Images of Black Hole Accretion Flows

The Astrophysical Journal
2022-05 | Journal article
Contributors: Georgiev, Boris; Pesce, Dominic W.; Broderick, Avery E.; Wong, George N.; Dhruv, Vedant; Wielgus, Maciek; Gammie, Charles F.; Chan, Chi-kwan; Chatterjee, Koushik; Emami, Razieh et al.
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NASA Astrophysics Data System
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Characterizing and Mitigating Intraday Variability: Reconstructing Source Structure in Accreting Black Holes with mm-VLBI

The Astrophysical Journal
2022-05 | Journal article
Contributors: Broderick, Avery E.; Gold, Roman; Georgiev, Boris; Pesce, Dominic W.; Tiede, Paul; Ni, Chunchong; Moriyama, Kotaro; Akiyama, Kazunori; Alberdi, Antxon; Alef, Walter et al.
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NASA Astrophysics Data System
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Millimeter Light Curves of Sagittarius A* Observed during the 2017 Event Horizon Telescope Campaign

The Astrophysical Journal
2022-05 | Journal article
Contributors: Wielgus, Maciek; Marchili, Nicola; Martí-Vidal, Iván; Keating, Garrett K.; Ramakrishnan, Venkatessh; Tiede, Paul; Fomalont, Ed; Issaoun, Sara; Neilsen, Joey; Nowak, Michael A. et al.
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NASA Astrophysics Data System
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Selective Dynamical Imaging of Interferometric Data

The Astrophysical Journal
2022-05 | Journal article
Contributors: Farah, Joseph; Galison, Peter; Akiyama, Kazunori; Bouman, Katherine L.; Bower, Geoffrey C.; Chael, Andrew; Fuentes, Antonio; Gómez, José L.; Honma, Mareki; Johnson, Michael D. et al.
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NASA Astrophysics Data System
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First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

The Astrophysical Journal Letters
2022-05-01 | Journal article
Contributors: Event Horizon Telescope Collaboration; Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko et al.
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Crossref
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First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration

The Astrophysical Journal Letters
2022-05-01 | Journal article
Contributors: Event Horizon Telescope Collaboration; Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko et al.
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First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole

The Astrophysical Journal Letters
2022-05-01 | Journal article
Contributors: Event Horizon Telescope Collaboration; Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko et al.
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First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass

The Astrophysical Journal Letters
2022-05-01 | Journal article
Contributors: Event Horizon Telescope Collaboration; Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko et al.
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First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

The Astrophysical Journal Letters
2022-05-01 | Journal article
Contributors: Event Horizon Telescope Collaboration; Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko et al.
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First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric

The Astrophysical Journal Letters
2022-05-01 | Journal article
Contributors: Event Horizon Telescope Collaboration; Kazunori Akiyama; Antxon Alberdi; Walter Alef; Juan Carlos Algaba; Richard Anantua; Keiichi Asada; Rebecca Azulay; Uwe Bach; Anne-Kathrin Baczko et al.
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The Intrinsic Structure of Sagittarius A* at 1.3 cm and 7 mm

The Astrophysical Journal
2022-02-01 | Journal article
Contributors: Ilje Cho; Guang-Yao Zhao; Tomohisa Kawashima; Motoki Kino; Kazunori Akiyama; Michael D. Johnson; Sara Issaoun; Kotaro Moriyama; Xiaopeng Cheng; Juan-Carlos Algaba et al.
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The Variability of the Black Hole Image in M87 at the Dynamical Timescale

The Astrophysical Journal
2022-01 | Journal article
Contributors: Satapathy, Kaushik; Psaltis, Dimitrios; Özel, Feryal; Medeiros, Lia; Dougall, Sean T.; Chan, Chi-Kwan; Wielgus, Maciek; Prather, Ben S.; Wong, George N.; Gammie, Charles F. et al.
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NASA Astrophysics Data System
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Broadband multi-wavelength properties of M87 during the 2017 event Horizon telescope campaign

arXiv
2021 | Other
EID:

2-s2.0-85107436893

Part of ISSN: 23318422
Contributors: Algaba, J.C.; Anczarski, J.; Asada, K.; Baloković, M.; Chandra, S.; Cui, Y.-Z.; Falcone, A.D.; Giroletti, M.; Goddi, C.; Hada, K. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

East Asian VLBI network observations of active galactic nuclei jets: Imaging with KaVA+Tianma+Nanshan

arXiv
2021 | Other
EID:

2-s2.0-85106687998

Part of ISSN: 23318422
Contributors: Cui, Y.-Z.; Hada, K.; Kino, M.; Sohn, B.-W.; Park, J.; Ro, H.-W.; Sawada-Satoh, S.; Jiang, W.; Cui, L.; Honma, M. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Event horizon telescope observations of the jet launching and collimation in centaurus A

arXiv
2021 | Other
EID:

2-s2.0-85119243345

Part of ISSN: 23318422
Contributors: Janssen, M.; Falcke, H.; Kadler, M.; Ros, E.; Wielgus, M.; Akiyama, K.; Baloković, M.; Blackburn, L.; Bouman, K.L.; Chael, A. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

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

arXiv
2021 | Other
EID:

2-s2.0-85109132733

Part of ISSN: 23318422
Contributors: Akiyama, K.; Algaba, J.C.; Alberdi, A.; Alef, W.; Anantua, R.; Asada, K.; Azulay, R.; Baczko, A.-K.; Ball, D.; Baloković, M. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

First M87 event horizon telescope results. VIII. Magnetic field structure near the Event Horizon

arXiv
2021 | Other
EID:

2-s2.0-85109152733

Part of ISSN: 23318422
Contributors: Akiyama, K.; Algaba, J.C.; Alberdi, A.; Alef, W.; Anantua, R.; Asada, K.; Azulay, R.; Baczko, A.-K.; Ball, D.; Baloković, M. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Interferometric monitoring of gamma-ray bright AGNs: Measuring the magnetic field strength of 4c +29.45

arXiv
2021 | Other
EID:

2-s2.0-85107837178

Part of ISSN: 23318422
Contributors: Kang, S.; Lee, S.-S.; Hodgson, J.; Algaba, J.-C.; Lee, J.W.; Kim, J.-Y.; Park, J.; Kino, M.; Kim, D.; Trippe, S.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier

Magnetic field strengths of the synchrotron self-absorption region in the jet of CTA 102 during radio flares

arXiv
2021 | Other
EID:

2-s2.0-85120572451

Part of ISSN: 23318422
Contributors: Kim, S.-H.; Lee, S.-S.; Lee, J.W.; Hodgson, J.A.; Kang, S.; Algaba, J.-C.; Kim, J.-Y.; Hodges, M.; Agudo, I.; Fuentes, A. et al.
Source: Self-asserted source
Juan Carlos Algaba via Scopus - Elsevier
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