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Discovery of Spica’s Arista: Alpha Virginis is a Hierarchical Triple System

Authors: Idel Waisberg, Boaz Katz

Idel Waisberg and Boaz Katz 2026 Research Notes of the AAS 10 .

Provider: AAS Journals

Caption: Figure 1.

Bottom: smartphone photo of Alpha Virginis = Spica taken from Cunha, São Paulo, Brazil on 2026 August 28 UTC 21:25. Top: VLTI/GRAVITY interferometric data (colored) and best fit triple star model (solid black) for Alpha Virginis. The dashed lines show a binary model for the close pair alone.

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