Astronomical data · SIMBAD
- Object type
- Sy2
- Redshift
- z = 0.02919
- Coordinates
- RA 34.3628° · Dec -59.8610°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Key facts
- Constellation
- Horologium
- Right ascension
- 02h 17m 27.1s
- Declination
- −59° 51′ 40″
- Redshift
- 0.029 190 ± 0.000 133
- Heliocentric radial velocity
- 8,751 ± 40 km/s
- Galactocentric velocity
- 8662 ± 40 km/s
- Distance
- 416.7 ± 29.2 Mly (127.76 ± 8.96 Mpc )
- Type
- E1? pec · E/S0? E
- Apparent size v
- 0.8′ × 0.8′
- Notable features
- Flat-spectrum radio source
via Wikipedia infobox
~1 min read
Encyclopedic overview
NGC 888 is a large and relatively distant elliptical galaxy in the constellation Horologium. Its velocity relative to the cosmic microwave background is 8662±40 km/s, corresponding to a Hubble distance of 127.8±9.0 Mpc. It was discovered by British astronomer John Herschel in 1834.
Characteristics
Excerpted from Wikipedia’s “NGC 888” article, available under the CC BY-SA 4.0 licence.
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