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Extremely long baseline interferometry with Origins Space Telescope

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arxiv 1909.01408 v1 pith:2Q7RR3VJ submitted 2019-09-03 astro-ph.IM

Dominic W. Pesce , Kari Haworth , Gary J. Melnick , Lindy Blackburn , Maciek Wielgus , Michael D. Johnson , Alexander Raymond , Jonathan Weintroub
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Daniel C. M. Palumbo Sheperd S. Doeleman David J. James
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classification astro-ph.IM
keywords blackholesoriginstelescopemillionspaceacrossangular
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Operating 1.5 million km from Earth at the Sun-Earth L2 Lagrange point, the Origins Space Telescope equipped with a slightly modified version of its HERO heterodyne instrument could function as a uniquely valuable node in a VLBI network. The unprecedented angular resolution resulting from the combination of Origins with existing ground-based millimeter/submillimeter telescope arrays would increase the number of spatially resolvable black holes by a factor of a million, permit the study of these black holes across all of cosmic history, and enable new tests of general relativity by unveiling the photon ring substructure in the nearest black holes.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 9 citations worldwide. Full citation record

  1. When the Shadow Meets Its Measure: Assessing the Feasibility of Submillimeter Black Hole Shadow Imaging in Megamaser Disk AGN

    astro-ph.GA 2026-01 conditional novelty 6.0 of 10

    Of 21 megamaser-disk AGN, only NGC 4258 is resolvable on Earth-L2 baselines, and its spin-offset measurement is limited by 22 GHz maser astrometry, not by shadow centroid precision.

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