Using new observations from the Hubble Space Telescope and observatories on Earth, scientists have confirmed the existence of Betelgeuse's elusive companion star, named Siwarha.

Hubble Telescope spies 'wake' of supergiant Beutelgeuse's hidden companion star

Source: space
Source Link: https://www.space.com/astronomy/stars/hubble-telescope-spies-wake-of-supergiant-beutelgeuses-hidden-companion-star