David Ball

2 ta ish

Steward Observatory and Department of Astronomy, University of Arizona, 933 N. Cherry Ave., Tucson, AZ, 85721, USA

1. The persistent shadow of the supermassive black hole of M87

   Kazunori Akiyama, Ezequiel Albentosa-Ruíz, A. Alberdi +97

   MaqolaAstrophysical Phenomena and ObservationsAstronomy and Astrophysics20253 iqtibos

   ABIABI:AkademIndex/openalex/2025.article.000098

2. A multi-frequency study of sub-parsec jets with the Event Horizon Telescope

   Jan Röder, Maciek Wielgus, A. P. Lobanov +96

   PreprintAstrophysics and Cosmic PhenomenaarXiv (Cornell University)20250 iqtibos

   ABIABI:AkademIndex/openalex/2025.preprint.000041