A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä

First Very Long Baseline Interferometry Detections at 870 μm




TekijätRaymond, 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; Balokovic, 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, 陈 Yongjun 永军; Cheng, Xiaopeng; Cho, Ilje; Christian, Pierre; Conroy, Nicholas S.; Conway, John E.; Crawford, Thomas M.; Cruz-Osorio, Alejandro; Cui, 崔 Yuzhu 玉竹; 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, 顾 Minfeng 敏峰; Gurwell, Mark; Hada, Kazuhiro; Haggard, Daryl; Hesper, Ronald; Heumann, Dirk; Ho, 何 Luis C. 子山; Ho, Paul; Honma, Mareki; Huang, Chih-Wei L.; Huang, 黄 Lei 磊; Hughes, David H.; Ikeda, Shiro; Impellizzeri, C. M. Violette; Inoue, Makoto; Issaoun, Sara; James, David J.; Jannuzi, Buell T.; Jeter, Britton; Jiang, 江 Wu 悟; 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, 李 Zhiyuan 志远; Lico, Rocco; Lindahl, Greg; Lindqvist, Michael; Lisakov, Mikhail; Liu, 刘 Jun 俊; Liu, Kuo; Liuzzo, Elisabetta; Lobanov, Andrei P.; Loinard, Laurent; Lonsdale, Colin J.; Lowitz, Amy E.; Lu, 路 Ru-Sen 如森; MacDonald, Nicholas R.; Mahieu, Sylvain; Maier, Doris; Mao, 毛 Jirong 基荣; 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; Olivares, Sánchez Héctor Raúl; 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, 沈 Zhiqiang 志强; Small, Des; Sohn, Bong Won; SooHoo, Jason; Sosapanta, Salas León David; Souccar, Kamal; Srinivasan, Ranjani; Stanway, Joshua S.; Sun, 孙 He 赫; 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, 吴 Qingwen 庆文; Yadlapalli, Nitika; Yamaguchi, Paul; Yfantis, Aristomenis; Yoon, Doosoo; Younsi, Ziri; Yu, 于 Wei 威; Yuan, 袁 Feng 峰; Yuan, 袁 Ye-Fei 业飞; Zensus, J. Anton; Zhang, Shuo; Zhao, Guang-Yao; Zhao, 赵 Shan-Shan 杉杉



KustantajaInstitute of Physics Publishing

Julkaisuvuosi2024

JournalThe Astronomical Journal

Tietokannassa oleva lehden nimiThe Astronomical Journal

Artikkelin numero130

Vuosikerta168

Numero3

ISSN0004-6256

eISSN1538-3881

DOIhttps://doi.org/10.3847/1538-3881/ad5bdb

Verkko-osoitehttps://iopscience.iop.org/article/10.3847/1538-3881/ad5bdb

Rinnakkaistallenteen osoitehttps://research.utu.fi/converis/portal/detail/Publication/458464042


Tiivistelmä

The first very long baseline interferometry (VLBI) detections at 870 μm 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 intercontinental baselines between telescopes in Chile, Hawaii, and Spain, obtained during observations in 2018 October. The longest-baseline detections approach 11 Gλ, corresponding to an angular resolution, or fringe spacing, of 19 μas. The Allan deviation of the visibility phase at 870 μm is comparable to that at 1.3 mm on the relevant integration timescales 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 μm. 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.


Ladattava julkaisu

This is an electronic reprint of the original article.
This reprint may differ from the original in pagination and typographic detail. Please cite the original version.





Last updated on 2025-27-01 at 19:45