Lindahl, Greg
Smithsonian Astrophysical Observatory staff
Selected Publications
Article
Gómez, José L., Cho, Ilje, Traianou, Efthalia, Krichbaum, Thomas P., Zhao, Guang-Yao, Lico, Rocco, Fuentes, Antonio, Foschi, Marianna, Dahale, Rohan, Georgiev, Boris, Moriyama, Kotaro, Wielgus, Maciek, Gold, Roman, Pesce, Dominic W., Müller, Hendrik, Jorstad, Svetlana, Toscano, Teresa, Röder, Jan, Martí, José M., Perucho, Manel, Kovalev, Yuri Y., Komossa, Stefanie, Gopakumar, Achamveedu, Valtonen, Mauri J., Bruni, Gabriele et al. 2026. "Spatially resolved polarization swings in the supermassive binary black hole candidate OJ 287 with first Event Horizon Telescope observations ." Astronomy and Astrophysics , 705 A23. https://doi.org/10.1051/0004-6361/202555831 .
2026
Röder, Jan, Wielgus, Maciek, Lobanov, Andrei P., Krichbaum, Thomas P., Nair, Dhanya G., Lee, Sang-Sung, Ros, Eduardo, Fish, Vincent L., Blackburn, Lindy, Chan, Chi-kwan, Issaoun, Sara, Janssen, Michael, Johnson, Michael D., Doeleman, Sheperd S., Bower, Geoffrey C., Crew, Geoffrey B., Tilanus, Remo P. J., Savolainen, Tuomas, Violette Impellizzeri, C. M., Alberdi, Antxon, Baczko, Anne-Kathrin, Gómez, José L., Lu, Ru-Sen, Paraschos, Georgios F., Traianou, Efthalia et al. 2025. "A multifrequency study of sub-parsec jets with the Event Horizon Telescope ." Astronomy and Astrophysics , 695. https://doi.org/10.1051/0004-6361/202452600 .
2025
Goddi, Ciriaco, Carlos, Douglas F., Crew, Geoffrey B., Matthews, Lynn D., Messias, Hugo, Mus, Alejandro, Martí-Vidal, Iván, Albentosa-Ruíz, Ezequiel, De Laurentis, Mariafelicia, Liuzzo, Elisabetta, Marchili, Nicola, Rygl, Kazi L. J., Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Carlos Algaba, Juan, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Bandyopadhyay, Bidisha, Barrett, John et al. 2025. "First polarization study of the M87 jet and active galactic nuclei at submillimeter wavelengths with ALMA ." Astronomy and Astrophysics , 699 A265. https://doi.org/10.1051/0004-6361/202554140 .
2025
Dahale, Rohan, Cho, Ilje, Moriyama, Kotaro, Wiik, Kaj, Tiede, Paul, Gómez, José L., Chan, Chi-kwan, Gold, Roman, Bernshteyn, Vadim Y., Foschi, Marianna, Jeter, Britton, Pu, Hung-Yi, Georgiev, Boris, Joshi, Abhishek V., Cruz-Osorio, Alejandro, Natarajan, Iniyan, Broderick, Avery E., Salas, León D. S., Chatterjee, Koushik, Akiyama, Kazunori, Albentosa-Ruíz, Ezequiel, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard et al. 2025. "Origin of the ring ellipticity in the black hole images of M87* ." Astronomy and Astrophysics , 699 A279. https://doi.org/10.1051/0004-6361/202555235 .
2025
Pesce, Dominic W., Blackburn, Lindy, Chaves, Ryan, Doeleman, Sheperd S., Freeman, Mark, Issaoun, Sara, Johnson, Michael D., Lindahl, Greg, Natarajan, Iniyan, Paine, Scott N., Palumbo, Daniel C. M., Roelofs, Freek, and Tiede, Paul. 2024. "Atmospheric Limitations for High-frequency Ground-based Very Long Baseline Interferometry ." The Astrophysical Journal , 968 69. https://doi.org/10.3847/1538-4357/ad3961 .
2024
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Balokovic, Mislav, Bandyopadhyay, Bidisha, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger et al. 2024. "First Sagittarius A* Event Horizon Telescope Results. VII. Polarization of the Ring ." The Astrophysical Journal , 964 L25. https://doi.org/10.3847/2041-8213/ad2df0 .
2024
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Bandyopadhyay, Bidisha, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger et al. 2024. "First Sagittarius A* Event Horizon Telescope Results. VIII. Physical Interpretation of the Polarized Ring ." The Astrophysical Journal , 964 L26. https://doi.org/10.3847/2041-8213/ad2df1 .
2024
Raymond, Alexander W., Doeleman, Sheperd S., Asada, Keiichi, Blackburn, Lindy, Bower, Geoffrey C., Bremer, Michael, Broguiere, Dominique, Chen, Ming-Tang, Crew, Geoffrey B., Dornbusch, Sven, Fish, Vincent L., García, Roberto, Gentaz, Olivier, Goddi, Ciriaco, Han, Chih-Chiang, Hecht, Michael H., Huang, Yau-De, Janssen, Michael, Keating, Garrett K., Koay, Jun Yi, Krichbaum, Thomas P., Lo, Wen-Ping, Matsushita, Satoki, Matthews, Lynn D., Moran, James M. et al. 2024. "First Very Long Baseline Interferometry Detections at 870 μm ." The Astronomical Journal , 168 130. https://doi.org/10.3847/1538-3881/ad5bdb .
2024
Paraschos, G. F., Kim, J. -Y, Wielgus, M., Röder, J., Krichbaum, T. P., Ros, E., Agudo, I., Myserlis, I., Moscibrodzka, M., Traianou, E., Zensus, J. A., Blackburn, Lindy, Chan, C. -K, Issaoun, Sara, Janßen, M., Johnson, Michael D., Fish, V. L., Akiyama, K., Alberdi, A., Alef, W., Algaba, J. C., Anantua, Richard, Asada, K., Azulay, R., Bach, U. et al. 2024. "Ordered magnetic fields around the 3C 84 central black hole ." Astronomy and Astrophysics , 682. https://doi.org/10.1051/0004-6361/202348308 .
2024
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Bandyopadhyay, Bidisha, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brissenden, Roger, Britzen, Silke et al. 2024. "The persistent shadow of the supermassive black hole of M 87. I. Observations, calibration, imaging, and analysis ." Astronomy and Astrophysics , 681. https://doi.org/10.1051/0004-6361/202347932 .
2024
Baczko, Anne-Kathrin, Kadler, Matthias, Ros, Eduardo, Fromm, Christian M., Wielgus, Maciek, Perucho, Manel, Krichbaum, Thomas P., Baloković, Mislav, Blackburn, Lindy, Chan, Chi-kwan, Issaoun, Sara, Janssen, Michael, Ricci, Luca, Akiyama, Kazunori, Albentosa-Ruíz, Ezequiel, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Ball, David, Bandyopadhyay, Bidisha, Barrett, John et al. 2024. "The putative center in NGC 1052 ." Astronomy and Astrophysics , 692. https://doi.org/10.1051/0004-6361/202450898 .
2024
Torne, Pablo, Liu, Kuo, Eatough, Ralph P., Wongphechauxsorn, Jompoj, Cordes, James M., Desvignes, Gregory, De Laurentis, Mariafelicia, Kramer, Michael, Ransom, Scott M., Chatterjee, Shami, Wharton, Robert, Karuppusamy, Ramesh, Blackburn, Lindy, Janssen, Michael, Chan, Chi-kwan, Crew,Geoffrey, B., Matthews, Lynn D., Goddi, Ciriaco, Rottmann, Helge, Wagner, Jan, Sánchez, Salvador, Ruiz, Ignacio, Abbate, Federico, Bower, Geoffrey C., Salamanca, Juan J. et al. 2023. "A Search for Pulsars around Sgr A* in the First Event Horizon Telescope Data Set ." The Astrophysical Journal , 959 14. https://doi.org/10.3847/1538-4357/acf4f2 .
2023
Chatterjee, Koushik, Chael, Andrew, Tiede, Paul, Mizuno, Yosuke, Emami, Razieh, Fromm, Christian, Ricarte, Angelo, Blackburn, Lindy, Roelofs, Freek, Johnson, Michael D., Doeleman, Sheperd S., Arras, Philipp, Fuentes, Antonio, Knollmüller, Jakob, Kosogorov, Nikita, Lindahl, Greg, Müller, Hendrik, Patel, Nimesh, Raymond, Alexander, Traianou, Efthalia, and Vega, Justin. 2023. "Accretion Flow Morphology in Numerical Simulations of Black Holes from the ngEHT Model Library: The Impact of Radiation Physics ." Galaxies , 11 38. https://doi.org/10.3390/galaxies11020038 .
2023
Prather, Ben S., Dexter, Jason, Moscibrodzka, Monika, Pu, Hung-Yi, Bronzwaer, Thomas, Davelaar, Jordy, Younsi, Ziri, Gammie, Charles F., Gold, Roman, Wong, George N., Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan et al. 2023. "Comparison of Polarized Radiative Transfer Codes Used by the EHT Collaboration ." The Astrophysical Journal , 950 35. https://doi.org/10.3847/1538-4357/acc586 .
2023
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke et al. 2023. "First M87 Event Horizon Telescope Results. IX. Detection of Near-horizon Circular Polarization ." The Astrophysical Journal , 957. https://doi.org/10.3847/2041-8213/acff70 .
2023
Roelofs, Freek, Johnson, Michael D., Chael, Andrew, Janssen, Michael, Wielgus, Maciek, Broderick, Avery E., Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C. et al. 2023. "Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes ." The Astrophysical Journal , 957. https://doi.org/10.3847/2041-8213/acff6f .
2023
Jorstad, Svetlana, Wielgus, Maciek, Lico, Rocco, Issaoun, Sara, Broderick, Avery E., Pesce, Dominic W., Liu, Jun, Zhao, Guang-Yao, Krichbaum, Thomas P., Blackburn, Lindy, Chan, Chi-kwan, Janssen, Michael, Ramakrishnan, Venkatessh, Akiyama, Kazunori, Alberdi, Antxon, Algaba, Juan Carlos, Bouman, Katherine L., Cho, Ilje, Fuentes, Antonio, Gómez, José L., Gurwell, Mark, Johnson, Michael D., Kim, Jae-Young, Lu, Ru-Sen, Martí-Vidal, Iván et al. 2023. "The Event Horizon Telescope Image of the Quasar NRAO 530 ." The Astrophysical Journal , 943 170. https://doi.org/10.3847/1538-4357/acaea8 .
2023
Roelofs, Freek, Blackburn, Lindy, Lindahl, Greg, Doeleman, Sheperd S., Johnson, Michael D., Arras, Philipp, Chatterjee, Koushik, Emami, Razieh, Fromm, Christian, Fuentes, Antonio, Knollmüller, Jakob, Kosogorov, Nikita, Müller, Hendrik, Patel, Nimesh, Raymond, Alexander, Tiede, Paul, Traianou, Efthalia, and Vega, Justin. 2023. "The ngEHT Analysis Challenges ." Galaxies , 11 12. https://doi.org/10.3390/galaxies11010012 .
2023
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke et al. 2022. "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 , 930 L12. https://doi.org/10.3847/2041-8213/ac6674 .
2022
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke et al. 2022. "First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multiwavelength Observations, Data Processing, and Calibration ." The Astrophysical Journal , 930 L13. https://doi.org/10.3847/2041-8213/ac6675 .
2022
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke et al. 2022. "First Sagittarius A* Event Horizon Telescope Results. III. Imaging of the Galactic Center Supermassive Black Hole ." The Astrophysical Journal , 930 L14. https://doi.org/10.3847/2041-8213/ac6429 .
2022
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke et al. 2022. "First Sagittarius A* Event Horizon Telescope Results. IV. Variability, Morphology, and Black Hole Mass ." The Astrophysical Journal , 930 L15. https://doi.org/10.3847/2041-8213/ac6736 .
2022
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke et al. 2022. "First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole ." The Astrophysical Journal , 930 L16. https://doi.org/10.3847/2041-8213/ac6672 .
2022
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Alberdi, Antxon, Alef, Walter, Algaba, Juan Carlos, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Bach, Uwe, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Bauböck, Michi, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke et al. 2022. "First Sagittarius A* Event Horizon Telescope Results. VI. Testing the Black Hole Metric ." The Astrophysical Journal , 930 L17. https://doi.org/10.3847/2041-8213/ac6756 .
2022
Issaoun, Sara, Wielgus, Maciek, Jorstad, Svetlana, Krichbaum, Thomas P., Blackburn, Lindy, Janssen, Michael, Chan, Chi-kwan, Pesce, Dominic W., Gómez, José L., Akiyama, Kazunori, Mościbrodzka, Monika, Martí-Vidal, Iván, Chael, Andrew, Lico, Rocco, Liu, Jun, Ramakrishnan, Venkatessh, Lisakov, Mikhail, Fuentes, Antonio, Zhao, Guang-Yao, Moriyama, Kotaro, Broderick, Avery E., Tiede, Paul, MacDonald, Nicholas R., Mizuno, Yosuke, Traianou, Efthalia et al. 2022. "Resolving the Inner Parsec of the Blazar J1924-2914 with the Event Horizon Telescope ." The Astrophysical Journal , 934 145. https://doi.org/10.3847/1538-4357/ac7a40 .
2022
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Algaba, Juan Carlos, Alberdi, Antxon, Alef, Walter, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Boland, Wilfred, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke, Broderick, Avery E. et al. 2021. "First M87 Event Horizon Telescope Results. VII. Polarization of the Ring ." The Astrophysical Journal , 910 L12. https://doi.org/10.3847/2041-8213/abe71d .
2021
Event Horizon Telescope Collaboration, Akiyama, Kazunori, Algaba, Juan Carlos, Alberdi, Antxon, Alef, Walter, Anantua, Richard, Asada, Keiichi, Azulay, Rebecca, Baczko, Anne-Kathrin, Ball, David, Baloković, Mislav, Barrett, John, Benson, Bradford A., Bintley, Dan, Blackburn, Lindy, Blundell, Raymond, Boland, Wilfred, Bouman, Katherine L., Bower, Geoffrey C., Boyce, Hope, Bremer, Michael, Brinkerink, Christiaan D., Brissenden, Roger, Britzen, Silke, Broderick, Avery E. et al. 2021. "First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon ." The Astrophysical Journal , 910 L13. https://doi.org/10.3847/2041-8213/abe4de .
2021
Goddi, Ciriaco, Martí-Vidal, Iván, Messias, Hugo, Bower, Geoffrey C., Broderick, Avery E., Dexter, Jason, Marrone, Daniel P., Moscibrodzka, Monika, Nagai, Hiroshi, Algaba, Juan Carlos, Asada, Keiichi, Crew, Geoffrey B., Gómez, José L., Impellizzeri, C. M. Violette, Janssen, Michael, Kadler, Matthias, Krichbaum, Thomas P., Lico, Rocco, Matthews, Lynn D., Nathanail, Antonios, Ricarte, Angelo, Ros, Eduardo, Younsi, Ziri, Akiyama, Kazunori, Alberdi, Antxon et al. 2021. "Polarimetric Properties of Event Horizon Telescope Targets from ALMA ." The Astrophysical Journal , 910 L14. https://doi.org/10.3847/2041-8213/abee6a .
2021