First Very Long Baseline Interferometry Detections at 870μm
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arXiv
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| Format: | Preprint |
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2024
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| author | 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. Norton, Timothy J. Patel, Nimesh Pesce, Dominic W. Ramakrishnan, Venkatessh Rottmann, Helge Roy, Alan L. Sánchez, Salvador Tilanus, Remo P. J. Titus, Michael Torne, Pablo Wagner, Jan Weintroub, Jonathan Wielgus, Maciek Young, André Akiyama, Kazunori Albentosa-Ruíz, Ezequiel Alberdi, Antxon Alef, Walter Algaba, Juan Carlos Anantua, Richard Azulay, Rebecca Bach, Uwe Baczko, Anne-Kathrin Ball, David Baloković, Mislav Bandyopadhyay, Bidisha Barrett, John Bauböck, Michi Benson, Bradford A. Bintley, Dan Blundell, Raymond Bouman, Katherine L. Boyce, Hope Brissenden, Roger Britzen, Silke Broderick, Avery E. Bronzwaer, Thomas Bustamante, Sandra Carlstrom, John E. Chael, Andrew Chan, Chi-kwan Chang, Dominic O. Chatterjee, Koushik Chatterjee, Shami Chen, Yongjun Cheng, Xiaopeng Cho, Ilje Christian, Pierre Conroy, Nicholas S. Conway, John E. Crawford, Thomas M. Cruz-Osorio, Alejandro Cui, Yuzhu Dahale, Rohan Davelaar, Jordy De Laurentis, Mariafelicia Deane, Roger Dempsey, Jessica Desvignes, Gregory Dexter, Jason Dhruv, Vedant Dihingia, Indu K. Dzib, Sergio A. Eatough, Ralph P. Emami, Razieh Falcke, Heino Farah, Joseph Fomalont, Edward Fontana, Anne-Laure Ford, H. Alyson Foschi, Marianna Fraga-Encinas, Raquel Freeman, William T. Friberg, Per Fromm, Christian M. Fuentes, Antonio Galison, Peter Gammie, Charles F. Georgiev, Boris Gold, Roman Gómez-Ruiz, Arturo I. Gómez, José L. Gu, Minfeng Gurwell, Mark Hada, Kazuhiro Haggard, Daryl Hesper, Ronald Heumann, Dirk Ho, Luis C. Ho, Paul Honma, Mareki Huang, Chih-Wei L. Huang, Lei Hughes, David H. Ikeda, Shiro Impellizzeri, C. M. Violette Inoue, Makoto Issaoun, Sara James, David J. Jannuzi, Buell T. Jeter, Britton Jiang, Wu Jiménez-Rosales, Alejandra Johnson, Michael D. Jorstad, Svetlana Jones, Adam C. Joshi, Abhishek V. Jung, Taehyun Karuppusamy, Ramesh Kawashima, Tomohisa Kettenis, Mark Kim, Dong-Jin Kim, Jae-Young Kim, Jongsoo Kim, Junhan Kino, Motoki Kocherlakota, Prashant Kofuji, Yutaro Koch, Patrick M. Koyama, Shoko Kramer, Carsten Kramer, Joana A. Kramer, Michael Kubo, Derek Kuo, Cheng-Yu La Bella, Noemi Lee, Sang-Sung Levis, Aviad Li, Zhiyuan Lico, Rocco Lindahl, Greg Lindqvist, Michael Lisakov, Mikhail Liu, Jun Liu, Kuo Liuzzo, Elisabetta Lobanov, Andrei P. Loinard, Laurent Lonsdale, Colin J. Lowitz, Amy E. Lu, Ru-Sen MacDonald, Nicholas R. Mahieu, Sylvain Maier, Doris Mao, Jirong Marchili, Nicola Markoff, Sera Marrone, Daniel P. Marscher, Alan P. Martí-Vidal, Iván Medeiros, Lia Menten, Karl M. Mizuno, Izumi Mizuno, Yosuke Montgomery, Joshua Moriyama, Kotaro Moscibrodzka, Monika Mulaudzi, Wanga Müller, Cornelia Müller, Hendrik Mus, Alejandro Musoke, Gibwa Myserlis, Ioannis Nagai, Hiroshi Nagar, Neil M. Nakamura, Masanori Narayanan, Gopal Natarajan, Iniyan Nathanail, Antonios Fuentes, Santiago Navarro Neilsen, Joey Ni, Chunchong Nowak, Michael A. Oh, Junghwan Okino, Hiroki Sánchez, Héctor Raúl Olivares Oyama, Tomoaki Özel, Feryal Palumbo, Daniel C. M. Paraschos, Georgios Filippos Park, Jongho Parsons, Harriet Pen, Ue-Li Piétu, Vincent PopStefanija, Aleksandar Porth, Oliver Prather, Ben Principe, Giacomo Psaltis, Dimitrios Pu, Hung-Yi Raffin, Philippe A. Rao, Ramprasad Rawlings, Mark G. Ricarte, Angelo Ripperda, Bart Roelofs, Freek Romero-Cañizales, Cristina Ros, Eduardo Roshanineshat, Arash Ruiz, Ignacio Ruszczyk, Chet Rygl, Kazi L. J. Sánchez-Argüelles, David Sánchez-Portal, Miguel Sasada, Mahito Satapathy, Kaushik Savolainen, Tuomas Schloerb, F. Peter Schonfeld, Jonathan Schuster, Karl-Friedrich Shao, Lijing Shen, Zhiqiang Small, Des Sohn, Bong Won SooHoo, Jason Salas, León David Sosapanta Souccar, Kamal Srinivasan, Ranjani Stanway, Joshua S. Sun, He Tazaki, Fumie Tetarenko, Alexandra J. Tiede, Paul Toma, Kenji Toscano, Teresa Traianou, Efthalia Trent, Tyler Trippe, Sascha Turk, Matthew van Bemmel, Ilse van Langevelde, Huib Jan van Rossum, Daniel R. Vos, Jesse Ward-Thompson, Derek Wardle, John Washington, Jasmin E. Wharton, Robert Wiik, Kaj Witzel, Gunther Wondrak, Michael F. Wong, George N. Wu, Qingwen Yadlapalli, Nitika Yamaguchi, Paul Yfantis, Aristomenis Yoon, Doosoo Younsi, Ziri Yu, Wei Yuan, Feng Yuan, Ye-Fei Zensus, J. Anton Zhang, Shuo Zhao, Guang-Yao Zhao, Shan-Shan |
| author_facet | 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. Norton, Timothy J. Patel, Nimesh Pesce, Dominic W. Ramakrishnan, Venkatessh Rottmann, Helge Roy, Alan L. Sánchez, Salvador Tilanus, Remo P. J. Titus, Michael Torne, Pablo Wagner, Jan Weintroub, Jonathan Wielgus, Maciek Young, André Akiyama, Kazunori Albentosa-Ruíz, Ezequiel Alberdi, Antxon Alef, Walter Algaba, Juan Carlos Anantua, Richard Azulay, Rebecca Bach, Uwe Baczko, Anne-Kathrin Ball, David Baloković, Mislav Bandyopadhyay, Bidisha Barrett, John Bauböck, Michi Benson, Bradford A. Bintley, Dan Blundell, Raymond Bouman, Katherine L. Boyce, Hope Brissenden, Roger Britzen, Silke Broderick, Avery E. Bronzwaer, Thomas Bustamante, Sandra Carlstrom, John E. Chael, Andrew Chan, Chi-kwan Chang, Dominic O. Chatterjee, Koushik Chatterjee, Shami Chen, Yongjun Cheng, Xiaopeng Cho, Ilje Christian, Pierre Conroy, Nicholas S. Conway, John E. Crawford, Thomas M. Cruz-Osorio, Alejandro Cui, Yuzhu Dahale, Rohan Davelaar, Jordy De Laurentis, Mariafelicia Deane, Roger Dempsey, Jessica Desvignes, Gregory Dexter, Jason Dhruv, Vedant Dihingia, Indu K. Dzib, Sergio A. Eatough, Ralph P. Emami, Razieh Falcke, Heino Farah, Joseph Fomalont, Edward Fontana, Anne-Laure Ford, H. Alyson Foschi, Marianna Fraga-Encinas, Raquel Freeman, William T. Friberg, Per Fromm, Christian M. Fuentes, Antonio Galison, Peter Gammie, Charles F. Georgiev, Boris Gold, Roman Gómez-Ruiz, Arturo I. Gómez, José L. Gu, Minfeng Gurwell, Mark Hada, Kazuhiro Haggard, Daryl Hesper, Ronald Heumann, Dirk Ho, Luis C. Ho, Paul Honma, Mareki Huang, Chih-Wei L. Huang, Lei Hughes, David H. Ikeda, Shiro Impellizzeri, C. M. Violette Inoue, Makoto Issaoun, Sara James, David J. Jannuzi, Buell T. Jeter, Britton Jiang, Wu Jiménez-Rosales, Alejandra Johnson, Michael D. Jorstad, Svetlana Jones, Adam C. Joshi, Abhishek V. Jung, Taehyun Karuppusamy, Ramesh Kawashima, Tomohisa Kettenis, Mark Kim, Dong-Jin Kim, Jae-Young Kim, Jongsoo Kim, Junhan Kino, Motoki Kocherlakota, Prashant Kofuji, Yutaro Koch, Patrick M. Koyama, Shoko Kramer, Carsten Kramer, Joana A. Kramer, Michael Kubo, Derek Kuo, Cheng-Yu La Bella, Noemi Lee, Sang-Sung Levis, Aviad Li, Zhiyuan Lico, Rocco Lindahl, Greg Lindqvist, Michael Lisakov, Mikhail Liu, Jun Liu, Kuo Liuzzo, Elisabetta Lobanov, Andrei P. Loinard, Laurent Lonsdale, Colin J. Lowitz, Amy E. Lu, Ru-Sen MacDonald, Nicholas R. Mahieu, Sylvain Maier, Doris Mao, Jirong Marchili, Nicola Markoff, Sera Marrone, Daniel P. Marscher, Alan P. Martí-Vidal, Iván Medeiros, Lia Menten, Karl M. Mizuno, Izumi Mizuno, Yosuke Montgomery, Joshua Moriyama, Kotaro Moscibrodzka, Monika Mulaudzi, Wanga Müller, Cornelia Müller, Hendrik Mus, Alejandro Musoke, Gibwa Myserlis, Ioannis Nagai, Hiroshi Nagar, Neil M. Nakamura, Masanori Narayanan, Gopal Natarajan, Iniyan Nathanail, Antonios Fuentes, Santiago Navarro Neilsen, Joey Ni, Chunchong Nowak, Michael A. Oh, Junghwan Okino, Hiroki Sánchez, Héctor Raúl Olivares Oyama, Tomoaki Özel, Feryal Palumbo, Daniel C. M. Paraschos, Georgios Filippos Park, Jongho Parsons, Harriet Pen, Ue-Li Piétu, Vincent PopStefanija, Aleksandar Porth, Oliver Prather, Ben Principe, Giacomo Psaltis, Dimitrios Pu, Hung-Yi Raffin, Philippe A. Rao, Ramprasad Rawlings, Mark G. Ricarte, Angelo Ripperda, Bart Roelofs, Freek Romero-Cañizales, Cristina Ros, Eduardo Roshanineshat, Arash Ruiz, Ignacio Ruszczyk, Chet Rygl, Kazi L. J. Sánchez-Argüelles, David Sánchez-Portal, Miguel Sasada, Mahito Satapathy, Kaushik Savolainen, Tuomas Schloerb, F. Peter Schonfeld, Jonathan Schuster, Karl-Friedrich Shao, Lijing Shen, Zhiqiang Small, Des Sohn, Bong Won SooHoo, Jason Salas, León David Sosapanta Souccar, Kamal Srinivasan, Ranjani Stanway, Joshua S. Sun, He Tazaki, Fumie Tetarenko, Alexandra J. Tiede, Paul Toma, Kenji Toscano, Teresa Traianou, Efthalia Trent, Tyler Trippe, Sascha Turk, Matthew van Bemmel, Ilse van Langevelde, Huib Jan van Rossum, Daniel R. Vos, Jesse Ward-Thompson, Derek Wardle, John Washington, Jasmin E. Wharton, Robert Wiik, Kaj Witzel, Gunther Wondrak, Michael F. Wong, George N. Wu, Qingwen Yadlapalli, Nitika Yamaguchi, Paul Yfantis, Aristomenis Yoon, Doosoo Younsi, Ziri Yu, Wei Yuan, Feng Yuan, Ye-Fei Zensus, J. Anton Zhang, Shuo Zhao, Guang-Yao Zhao, Shan-Shan |
| contents | The first very long baseline interferometry (VLBI) detections at 870$μ$m wavelength (345$\,$GHz frequency) are reported, achieving the highest diffraction-limited angular resolution yet obtained from the surface of the Earth, and the highest-frequency example of the VLBI technique to date. These include strong detections for multiple sources observed on inter-continental baselines between telescopes in Chile, Hawaii, and Spain, obtained during observations in October 2018. The longest-baseline detections approach 11$\,$G$λ$ corresponding to an angular resolution, or fringe spacing, of 19$μ$as. The Allan deviation of the visibility phase at 870$μ$m is comparable to that at 1.3$\,$mm on the relevant integration time scales between 2 and 100$\,$s. The detections confirm that the sensitivity and signal chain stability of stations in the Event Horizon Telescope (EHT) array are suitable for VLBI observations at 870$μ$m. Operation at this short wavelength, combined with anticipated enhancements of the EHT, will lead to a unique high angular resolution instrument for black hole studies, capable of resolving the event horizons of supermassive black holes in both space and time. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_07453 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | First Very Long Baseline Interferometry Detections at 870μm 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. Norton, Timothy J. Patel, Nimesh Pesce, Dominic W. Ramakrishnan, Venkatessh Rottmann, Helge Roy, Alan L. Sánchez, Salvador Tilanus, Remo P. J. Titus, Michael Torne, Pablo Wagner, Jan Weintroub, Jonathan Wielgus, Maciek Young, André Akiyama, Kazunori Albentosa-Ruíz, Ezequiel Alberdi, Antxon Alef, Walter Algaba, Juan Carlos Anantua, Richard Azulay, Rebecca Bach, Uwe Baczko, Anne-Kathrin Ball, David Baloković, Mislav Bandyopadhyay, Bidisha Barrett, John Bauböck, Michi Benson, Bradford A. Bintley, Dan Blundell, Raymond Bouman, Katherine L. Boyce, Hope Brissenden, Roger Britzen, Silke Broderick, Avery E. Bronzwaer, Thomas Bustamante, Sandra Carlstrom, John E. Chael, Andrew Chan, Chi-kwan Chang, Dominic O. Chatterjee, Koushik Chatterjee, Shami Chen, Yongjun Cheng, Xiaopeng Cho, Ilje Christian, Pierre Conroy, Nicholas S. Conway, John E. Crawford, Thomas M. Cruz-Osorio, Alejandro Cui, Yuzhu Dahale, Rohan Davelaar, Jordy De Laurentis, Mariafelicia Deane, Roger Dempsey, Jessica Desvignes, Gregory Dexter, Jason Dhruv, Vedant Dihingia, Indu K. Dzib, Sergio A. Eatough, Ralph P. Emami, Razieh Falcke, Heino Farah, Joseph Fomalont, Edward Fontana, Anne-Laure Ford, H. Alyson Foschi, Marianna Fraga-Encinas, Raquel Freeman, William T. Friberg, Per Fromm, Christian M. Fuentes, Antonio Galison, Peter Gammie, Charles F. Georgiev, Boris Gold, Roman Gómez-Ruiz, Arturo I. Gómez, José L. Gu, Minfeng Gurwell, Mark Hada, Kazuhiro Haggard, Daryl Hesper, Ronald Heumann, Dirk Ho, Luis C. Ho, Paul Honma, Mareki Huang, Chih-Wei L. Huang, Lei Hughes, David H. Ikeda, Shiro Impellizzeri, C. M. Violette Inoue, Makoto Issaoun, Sara James, David J. Jannuzi, Buell T. Jeter, Britton Jiang, Wu Jiménez-Rosales, Alejandra Johnson, Michael D. Jorstad, Svetlana Jones, Adam C. Joshi, Abhishek V. Jung, Taehyun Karuppusamy, Ramesh Kawashima, Tomohisa Kettenis, Mark Kim, Dong-Jin Kim, Jae-Young Kim, Jongsoo Kim, Junhan Kino, Motoki Kocherlakota, Prashant Kofuji, Yutaro Koch, Patrick M. Koyama, Shoko Kramer, Carsten Kramer, Joana A. Kramer, Michael Kubo, Derek Kuo, Cheng-Yu La Bella, Noemi Lee, Sang-Sung Levis, Aviad Li, Zhiyuan Lico, Rocco Lindahl, Greg Lindqvist, Michael Lisakov, Mikhail Liu, Jun Liu, Kuo Liuzzo, Elisabetta Lobanov, Andrei P. Loinard, Laurent Lonsdale, Colin J. Lowitz, Amy E. Lu, Ru-Sen MacDonald, Nicholas R. Mahieu, Sylvain Maier, Doris Mao, Jirong Marchili, Nicola Markoff, Sera Marrone, Daniel P. Marscher, Alan P. Martí-Vidal, Iván Medeiros, Lia Menten, Karl M. Mizuno, Izumi Mizuno, Yosuke Montgomery, Joshua Moriyama, Kotaro Moscibrodzka, Monika Mulaudzi, Wanga Müller, Cornelia Müller, Hendrik Mus, Alejandro Musoke, Gibwa Myserlis, Ioannis Nagai, Hiroshi Nagar, Neil M. Nakamura, Masanori Narayanan, Gopal Natarajan, Iniyan Nathanail, Antonios Fuentes, Santiago Navarro Neilsen, Joey Ni, Chunchong Nowak, Michael A. Oh, Junghwan Okino, Hiroki Sánchez, Héctor Raúl Olivares Oyama, Tomoaki Özel, Feryal Palumbo, Daniel C. M. Paraschos, Georgios Filippos Park, Jongho Parsons, Harriet Pen, Ue-Li Piétu, Vincent PopStefanija, Aleksandar Porth, Oliver Prather, Ben Principe, Giacomo Psaltis, Dimitrios Pu, Hung-Yi Raffin, Philippe A. Rao, Ramprasad Rawlings, Mark G. Ricarte, Angelo Ripperda, Bart Roelofs, Freek Romero-Cañizales, Cristina Ros, Eduardo Roshanineshat, Arash Ruiz, Ignacio Ruszczyk, Chet Rygl, Kazi L. J. Sánchez-Argüelles, David Sánchez-Portal, Miguel Sasada, Mahito Satapathy, Kaushik Savolainen, Tuomas Schloerb, F. Peter Schonfeld, Jonathan Schuster, Karl-Friedrich Shao, Lijing Shen, Zhiqiang Small, Des Sohn, Bong Won SooHoo, Jason Salas, León David Sosapanta Souccar, Kamal Srinivasan, Ranjani Stanway, Joshua S. Sun, He Tazaki, Fumie Tetarenko, Alexandra J. Tiede, Paul Toma, Kenji Toscano, Teresa Traianou, Efthalia Trent, Tyler Trippe, Sascha Turk, Matthew van Bemmel, Ilse van Langevelde, Huib Jan van Rossum, Daniel R. Vos, Jesse Ward-Thompson, Derek Wardle, John Washington, Jasmin E. Wharton, Robert Wiik, Kaj Witzel, Gunther Wondrak, Michael F. Wong, George N. Wu, Qingwen Yadlapalli, Nitika Yamaguchi, Paul Yfantis, Aristomenis Yoon, Doosoo Younsi, Ziri Yu, Wei Yuan, Feng Yuan, Ye-Fei Zensus, J. Anton Zhang, Shuo Zhao, Guang-Yao Zhao, Shan-Shan Instrumentation and Methods for Astrophysics High Energy Astrophysical Phenomena The first very long baseline interferometry (VLBI) detections at 870$μ$m wavelength (345$\,$GHz frequency) are reported, achieving the highest diffraction-limited angular resolution yet obtained from the surface of the Earth, and the highest-frequency example of the VLBI technique to date. These include strong detections for multiple sources observed on inter-continental baselines between telescopes in Chile, Hawaii, and Spain, obtained during observations in October 2018. The longest-baseline detections approach 11$\,$G$λ$ corresponding to an angular resolution, or fringe spacing, of 19$μ$as. The Allan deviation of the visibility phase at 870$μ$m is comparable to that at 1.3$\,$mm on the relevant integration time scales between 2 and 100$\,$s. The detections confirm that the sensitivity and signal chain stability of stations in the Event Horizon Telescope (EHT) array are suitable for VLBI observations at 870$μ$m. Operation at this short wavelength, combined with anticipated enhancements of the EHT, will lead to a unique high angular resolution instrument for black hole studies, capable of resolving the event horizons of supermassive black holes in both space and time. |
| title | First Very Long Baseline Interferometry Detections at 870μm |
| topic | Instrumentation and Methods for Astrophysics High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2410.07453 |