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3C 75
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| 3C 75 | |
|---|---|
 Image in radio (pink) and x-ray (cyan) of 3C 75. | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 02h 57m 42.63s[1] |
| Declination | +06° 01′ 04.8″ |
| Redshift | 0.0231[2] |
| Distance | 296 Mly[2][3] |
| Apparent magnitude (V) | +13.93 |
| Characteristics | |
| Type | Active binary |
| Apparent size (V) | 0.741″ × 0.489″ |
| Other designations | |
| MCG+01-08-027, NGC 1128 | |
3C 75 (also called 3C75) is a binary black hole system in the dumbbell-shaped galaxy NGC 1128 in the galaxy cluster Abell 400. It has four relativistic jets, two coming from each accreting supermassive black hole. It is travelling at 1200 kilometers per second, causing the jets to be swept back. 3C 75 may be X-ray source 2A 0252+060 (1H 0253+058, XRS 02522+060).[4]
References
[edit]- ^ SIMBAD
- ^ a b "NASA/IPAC Extragalactic Database". Results for 3C 75. Retrieved 2010-04-26.
- ^ Nemiroff, R.; Bonnell, J., eds. (9 November 2008). "Two Black Holes Dancing in 3C 75". Astronomy Picture of the Day. NASA. Retrieved 2008-11-09.
- ^ Wood KS; Meekins JF; Yentis DJ; Smathers HW; McNutt DP; Bleach RD (December 1984). "The HEAO A-1 X-ray source catalog". Astrophys. J. Suppl. Ser. 56 (12): 507–649. Bibcode:1984ApJS...56..507W. doi:10.1086/190992.
External links
[edit]- What is known about 3C 75
- Binary Black Hole in 3C 75. Astronomy Picture of the Day. 2010 March 14
- NRAO press release
- Visible image of 3C75 binary
- Merritt, David; Milosavljevic, Milos (2005). "Massive Black Hole Binary Evolution". Living Reviews in Relativity. 8: 8. arXiv:astro-ph/0410364. Bibcode:2005LRR.....8....8M. doi:10.12942/lrr-2005-8 (inactive 1 July 2025). S2CID 17677725.
{{cite journal}}: CS1 maint: DOI inactive as of July 2025 (link) - Simbad MCG+B01-08-027
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