Stellar mass black holes
These black holes are the collapsed cores of giant stars, with masses of a few times that of the Sun.
| Name | Mass (Suns) | Distance (light-years) | |
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A0620-00 | 3 to 13 | 2,800 to 3,400 |
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Cygnus X-1 | 5 to 10 | 6,000 to 10,000 |
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GRO J1655-40 | 7 | 6,000 to 10,000 |
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GU Muscae | 7 | 16,500 |
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M33 X-7 | About 15.7 | 2.7 million |
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SS443 | 16 | 16,000 |
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V404 Cygni | 10 to 15 | 10 |
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V4641 Sagittarii | 3 to 10 | 1,600 |
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XTE J1118+480 | 7 | 6,000 |
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XTE J1550-564 | 10 to 15 | 17 |
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XTE J1650-500 | 3.8 | 26,000 |









