The recently discovered black holes in wide binaries by Gaia astrometry

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• Tsevi Mazeh (Tel Aviv)
• Tuesday 07 May 2024, 11:30-12:30
• Hoyle Lecture Theatre + ONLINE - Details will be sent by email.

If you have a question about this talk, please contact Alison Wilson.

I will discuss the recent discovery of the three black holes (BH) by Gaia astrometry, concentrating on BH3 , with a mass of 33 M_solar, which is orbited by a very metal poor giant in an orbit of 12 years. The BH in the Gaia BH3 system is more massive than any other Galactic stellar-origin BH known. The Galactic orbit of the system and its metallicity indicate that it probably belongs to the ED-2 stream, which likely originated from a globular cluster that was disrupted by the Milky Way.

This talk is part of the Kavli Institute for Cosmology Seminars series.

This talk is included in these lists:

• Cambridge Astronomy Talks
• Combined External Astrophysics Talks DAMTP
• Cosmology, Astrophysics and General Relativity
• Hoyle Lecture Theatre + ONLINE - Details will be sent by email
• Institute of Astronomy Talk Lists
• Kavli Institute for Cosmology Talk Lists

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