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Journal Articles The Astrophysical Journal Letters Year : 2022

Selective Dynamical Imaging of Interferometric Data

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Joseph Farah
  • Function : Author
Peter Galison
  • Function : Author
Kazunori Akiyama
  • Function : Author
Katherine L. Bouman
  • Function : Author
Geoffrey C. Bower
  • Function : Author
Andrew Chael
  • Function : Author
Antonio Fuentes
  • Function : Author
José L. Gómez
  • Function : Author
Mareki Honma
  • Function : Author
Michael D. Johnson
  • Function : Author
Yutaro Kofuji
  • Function : Author
Daniel P. Marrone
  • Function : Author
Kotaro Moriyama
  • Function : Author
Ramesh Narayan
  • Function : Author
Dominic W. Pesce
  • Function : Author
Paul Tiede
  • Function : Author
Maciek Wielgus
  • Function : Author
Guang-Yao Zhao
  • Function : Author
Antxon Alberdi
  • Function : Author
Walter Alef
  • Function : Author
Juan Carlos Algaba
  • Function : Author
Richard Anantua
  • Function : Author
Keiichi Asada
  • Function : Author
Rebecca Azulay
  • Function : Author
Anne-Kathrin Baczko
  • Function : Author
David Ball
  • Function : Author
Mislav Baloković
  • Function : Author
John Barrett
  • Function : Author
Bradford A. Benson
  • Function : Author
Dan Bintley
  • Function : Author
Lindy Blackburn
  • Function : Author
Raymond Blundell
  • Function : Author
Wilfred Boland
  • Function : Author
Hope Boyce
  • Function : Author
Michael Bremer
  • Function : Author
Christiaan D. Brinkerink
  • Function : Author
Roger Brissenden
  • Function : Author
Silke Britzen
  • Function : Author
Avery E. Broderick
  • Function : Author
Dominique Broguiere
  • Function : Author
Thomas Bronzwaer
  • Function : Author
Sandra Bustamente
  • Function : Author
Do-Young Byun
  • Function : Author
John E. Carlstrom
  • Function : Author
Chi-Kwan Chan
  • Function : Author
Koushik Chatterjee
  • Function : Author
Shami Chatterjee
  • Function : Author
Ming-Tang Chen
  • Function : Author
Yongjun Chen
  • Function : Author
Ilje Cho
  • Function : Author
Pierre Christian
  • Function : Author
John E. Conway
  • Function : Author
James M. Cordes
  • Function : Author
Thomas M. Crawford
  • Function : Author
Geoffrey B. Crew
  • Function : Author
Alejandro Cruz-Osorio
  • Function : Author
Yuzhu Cui
  • Function : Author
Jordy Davelaar
  • Function : Author
Mariafelicia de Laurentis
  • Function : Author
Roger Deane
  • Function : Author
Jessica Dempsey
  • Function : Author
Sheperd S. Doeleman
  • Function : Author
Ralph P. Eatough
  • Function : Author
Heino Falcke
  • Function : Author
Vincent L. Fish
  • Function : Author
Ed Fomalont
  • Function : Author
H. Alyson Ford
  • Function : Author
Raquel Fraga-Encinas
  • Function : Author
Per Friberg
  • Function : Author
Christian M. Fromm
  • Function : Author
Charles F. Gammie
  • Function : Author
Roberto Garc'A
  • Function : Author
Olivier Gentaz
  • Function : Author
Ciriaco Goddi
  • Function : Author
Roman Gold
  • Function : Author
Arturo I. Gómez-Ruiz
  • Function : Author
Minfeng Gu
  • Function : Author
Mark Gurwell
  • Function : Author
Kazuhiro Hada
  • Function : Author
Daryl Haggard
  • Function : Author
Michael H. Hecht
  • Function : Author
Ronald Hesper
  • Function : Author
Luis C. Ho
  • Function : Author
Paul Ho
  • Function : Author
Chih-Wei L. Huang
  • Function : Author
Lei Huang
  • Function : Author
David H. Hughes
  • Function : Author
Shiro Ikeda
  • Function : Author
Makoto Inoue
  • Function : Author
Sara Issaoun
  • Function : Author
David J. James
  • Function : Author
Buell T. Jannuzi
  • Function : Author
Michael Janssen
  • Function : Author
Britton Jeter
  • Function : Author
Wu Jiang
  • Function : Author
Alejandra Jimenez-Rosales
  • Function : Author
Svetlana Jorstad
  • Function : Author
Taehyun Jung
  • Function : Author
Mansour Karami
  • Function : Author
Ramesh Karuppusamy
  • Function : Author
Tomohisa Kawashima
  • Function : Author
Garrett K. Keating
  • Function : Author
Mark Kettenis
  • Function : Author
Dong-Jin Kim
  • Function : Author
Jae-Young Kim
  • Function : Author
Jongsoo Kim
  • Function : Author
Junhan Kim
  • Function : Author
Motoki Kino
  • Function : Author
Jun Yi Koay
  • Function : Author
Patrick M. Koch
  • Function : Author
Shoko Koyama
  • Function : Author
Carsten Kramer
  • Function : Author
Michael Kramer
  • Function : Author
Thomas P. Krichbaum
  • Function : Author
Cheng-Yu Kuo
  • Function : Author
Tod R. Lauer
  • Function : Author
Sang-Sung Lee
  • Function : Author
Aviad Levis
  • Function : Author
Yan-Rong Li
  • Function : Author
Zhiyuan Li
  • Function : Author
Rocco Lico
  • Function : Author
Greg Lindahl
  • Function : Author
Michael Lindqvist
  • Function : Author
Jun Liu
  • Function : Author
Kuo Liu
  • Function : Author
Elisabetta Liuzzo
  • Function : Author
Wen-Ping Lo
  • Function : Author
Andrei P. Lobanov
  • Function : Author
Laurent Loinard
  • Function : Author
Colin Lonsdale
  • Function : Author
Ru-Sen Lu
  • Function : Author
Nicholas R. Macdonald
  • Function : Author
Jirong Mao
  • Function : Author
Nicola Marchili
  • Function : Author
Sera Markoff
  • Function : Author
Alan P. Marscher
  • Function : Author
Iván Martí-Vidal
  • Function : Author
Satoki Matsushita
  • Function : Author
Lynn D. Matthews
  • Function : Author
Lia Medeiros
  • Function : Author
Karl M. Menten
  • Function : Author
Izumi Mizuno
  • Function : Author
Yosuke Mizuno
  • Function : Author
James M. Moran
  • Function : Author
Monika Moscibrodzka
  • Function : Author
Cornelia Müller
  • Function : Author
Alejandro Mus Mejas
  • Function : Author
Gibwa Musoke
  • Function : Author
Hiroshi Nagai
  • Function : Author
Neil M. Nagar
  • Function : Author
Masanori Nakamura
  • Function : Author
Gopal Narayanan
  • Function : Author
Iniyan Natarajan
  • Function : Author
Antonios Nathanail
  • Function : Author
Joey Neilsen
  • Function : Author
Roberto Neri
  • Function : Author
Chunchong Ni
  • Function : Author
Aristeidis Noutsos
  • Function : Author
Michael A. Nowak
  • Function : Author
Hiroki Okino
  • Function : Author
Héctor Olivares
  • Function : Author
Gisela N. Ortiz-León
  • Function : Author
Tomoaki Oyama
  • Function : Author
Feryal Zel
  • Function : Author
Daniel C. M. Palumbo
  • Function : Author
Jongho Park
  • Function : Author
Nimesh Patel
  • Function : Author
Ue-Li Pen
  • Function : Author
Vincent Piétu
  • Function : Author
Richard Plambeck
  • Function : Author
Aleksandar Popstefanija
  • Function : Author
Oliver Porth
  • Function : Author
Felix M. Pötzl
  • Function : Author
Ben Prather
  • Function : Author
Jorge A. Preciado-López
  • Function : Author
Dimitrios Psaltis
  • Function : Author
Hung-Yi Pu
  • Function : Author
Venkatessh Ramakrishnan
  • Function : Author
Ramprasad Rao
  • Function : Author
Mark G. Rawlings
  • Function : Author
Alexander W. Raymond
  • Function : Author
Luciano Rezzolla
  • Function : Author
Bart Ripperda
  • Function : Author
Freek Roelofs
  • Function : Author
Alan Rogers
  • Function : Author
Eduardo Ros
  • Function : Author
Mel Rose
  • Function : Author
Arash Roshanineshat
  • Function : Author
Helge Rottmann
  • Function : Author
Alan L. Roy
  • Function : Author
Chet Ruszczyk
  • Function : Author
Kazi L. J. Rygl
  • Function : Author
Salvador Sánchez
  • Function : Author
David Sánchez-Arguelles
  • Function : Author
Mahito Sasada
  • Function : Author
Tuomas Savolainen
  • Function : Author
F. Peter Schloerb
  • Function : Author
Karl-Friedrich Schuster
  • Function : Author
Lijing Shao
  • Function : Author
Zhiqiang Shen
  • Function : Author
Des Small
  • Function : Author
Bong Won Sohn
  • Function : Author
Jason Soohoo
  • Function : Author
He Sun
  • Function : Author
Fumie Tazaki
  • Function : Author
Alexandra J. Tetarenko
  • Function : Author
Remo P. J. Tilanus
  • Function : Author
Michael Titus
  • Function : Author
Kenji Toma
  • Function : Author
Pablo Torne
  • Function : Author
Efthalia Traianou
  • Function : Author
Tyler Trent
  • Function : Author
Sascha Trippe
  • Function : Author
Ilse van Bemmel
  • Function : Author
Huib Jan van Langevelde
  • Function : Author
Daniel R. van Rossum
  • Function : Author
Jan Wagner
  • Function : Author
Derek Ward-Thompson
  • Function : Author
John Wardle
  • Function : Author
Jonathan Weintroub
  • Function : Author
Norbert Wex
  • Function : Author
Robert Wharton
  • Function : Author
Kaj Wiik
  • Function : Author
George N. Wong
  • Function : Author
Qingwen Wu
  • Function : Author
Doosoo Yoon
  • Function : Author
André Young
  • Function : Author
Ken Young
  • Function : Author
Ziri Younsi
  • Function : Author
Feng Yuan
  • Function : Author
Ye-Fei Yuan
  • Function : Author
J. Anton Zensus
  • Function : Author
Shan-Shan Zhao
  • Function : Author

Abstract

Recent developments in very long baseline interferometry (VLBI) have made it possible for the Event Horizon Telescope (EHT) to resolve the innermost accretion flows of the largest supermassive black holes on the sky. The sparse nature of the EHT's (u, v)-coverage presents a challenge when attempting to resolve highly time-variable sources. We demonstrate that the changing (u, v)-coverage of the EHT can contain regions of time over the course of a single observation that facilitate dynamical imaging. These optimal time regions typically have projected baseline distributions that are approximately angularly isotropic and radially homogeneous. We derive a metric of coverage quality based on baseline isotropy and density that is capable of ranking array configurations by their ability to produce accurate dynamical reconstructions. We compare this metric to existing metrics in the literature and investigate their utility by performing dynamical reconstructions on synthetic data from simulated EHT observations of sources with simple orbital variability. We then use these results to make recommendations for imaging the 2017 EHT Sgr A* data set.
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Dates and versions

insu-03713310 , version 1 (04-07-2022)

Licence

Attribution - CC BY 4.0

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Cite

Joseph Farah, Peter Galison, Kazunori Akiyama, Katherine L. Bouman, Geoffrey C. Bower, et al.. Selective Dynamical Imaging of Interferometric Data. The Astrophysical Journal Letters, 2022, 930, ⟨10.3847/2041-8213/ac6615⟩. ⟨insu-03713310⟩
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