Shaping the future of Global Interferometric Arrays: Imaging Strong Gravity and Magnetic Fields
Venkatessh Ramakrishnan (Tampere University, Finland), Violette Impellizzeri (ASTRON, The Netherlands), Chi-Kwan Chan (University of Arizona, USA), Mariafelicia De Laurentis (UNINA, Italy), Thomas Krichbaum (MPIfR, Germany), Andrei Lobanov (MPIfR, Germany), Laurent Loinard (UNAM
TL;DR
This paper discusses future prospects for VLBI with ALMA to test General Relativity and study relativistic jets in strong gravity environments, emphasizing improved sensitivity and multi-frequency observations.
Contribution
It proposes leveraging ALMA2040's capabilities to enhance tests of GR and explore jet formation in strong gravity regimes.
Findings
Enhanced sensitivity will allow more stringent constraints on GR.
Multi-frequency observations will improve understanding of relativistic jets.
Future VLBI with ALMA can significantly advance strong gravity studies.
Abstract
The observational validation of General Relativity (GR) has been propelled in recent years by recent breakthroughs in Very Long Baseline Interferometry (VLBI) augmented by ALMA. We explore ALMA2040 opportunities to transform these studies through greatly improved sensitivity and a multi-frequency approach. The focus will be on placing most stringent constraints on GR and alternative theories in the strong-gravity regime, and on understanding the formation and launching of relativistic jets.
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