Frequency and Abundance of Binary Supermassive Black Holes from Optical Variability Surveys (Fabulovs): Hubble Space Telescope Imaging of Radial-velocity-selected Binary Candidates
Subparsec binary supermassive black holes (BSBHs) should be common from galaxy mergers, yet direct evidence has been elusive. We present Hubble Space Telescope (HST)/WFC3IR F160W imaging for a sample of eight candidate subparsec BSBHs at redshifts z ∼ 0.1–0.5, as well as cross-comparison with a sam...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IOP Publishing
2025-01-01
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| Series: | The Astrophysical Journal |
| Subjects: | |
| Online Access: | https://doi.org/10.3847/1538-4357/adec95 |
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