OJ 287
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| Observation Data Epoch J2000.0 |
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|---|---|
| IAU Constellation | |
| Right Ascension | 08h 54m 48.88s |
| Declination | +20d 06m 30.6s |
| Distance | ly ( pc) |
| Galaxy | listing of galaxies |
OJ 287 is a BL Lac object, with over 100 years of observational data. It has a periodic variation of 11-12 years. The variation suggests that a supermassive binary black hole is the engine, with an 11-12 year orbital period.
[edit] External links
- Object: OJ 287 (SAO Observers)
- A Supermassive Black Hole Pairing (Centauri Dreams)
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