NGC 1128
Coordinates: 
02h 57m 41.6s, +06° 01′ 29″
02h 57m 41.6s, +06° 01′ 29″| NGC 1128 | |
|---|---|
 Binary black hole system 3C 75 contained in the dumbbell shaped galaxy NGC 1128 | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 02h 57m 41.6s[1] |
| Declination | +06° 01′ 29″[1] |
| Redshift | 6940 ± 20 km/s[1] |
| Distance | 300 Mly[2] |
| Apparent magnitude (V) | 13.8[1] |
| Characteristics | |
| Type | E0[1] |
| Apparent size (V) | 0'.9 × 0'.4[1] |
| Notable features | Dumbbell-shaped galaxy |
| Other designations | |
| PGC 11188, 11189[1] | |
NGC 1128 is a
Lewis Swift
is credited with the discovery of NGC 1128 in 1886.
[3]
References
- ^ a b c d e f g "Results for object NGC 1128". NASA/IPAC Extragalactic Database. Retrieved 26 October 2006.
- ^ "APOD: 2017 October 22 - Two Black Holes Dancing in 3C 75".
- ^ Seligman, Courtney. "Celestial Atlas: NGC Objects: NGC 1100 - 1149". cseligman.com. Archived from the original on 25 July 2015. Retrieved 25 July 2015.
External links
Media related to NGC 1128 at Wikimedia Commons- Black Holes Dance With Incredible Violence (SpaceDaily) 12 April 2006
- 3C 75 in Abell 400: Black Holes Determined to be Bound (Chandra AXAF)
- More Images of 3C 75 in Abell 400 (Chandra AXAF)
- NGC 1128 (jpeg, Chandra AXAF)
- NGC 1128 on
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