NGC 1101
Galaxy in the constellation Cetus
From Wikipedia, the free encyclopedia
NGC 1101 is a lenticular galaxy in the Cetus constellation,[1][2] and is an estimated 331 million light-years away from Earth. It was discovered on 22 November 1876 by French astronomer Edouard Stephan, who described it as "very faint, small, round with a brighter middle".[3]
| NGC 1101 | |
|---|---|
SDSS image of NGC 1101 | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 02h 48m 14.8s |
| Declination | +04° 34′ 40.8″ |
| Redshift | 0.023660 |
| Heliocentric radial velocity | 7,093 km/s |
| Distance | 331 Mly (101.39 ± 7.10 Mpc) |
| Apparent magnitude (V) | 13.0 |
| Apparent magnitude (B) | 14.0 |
| Characteristics | |
| Type | S0 |
| Size | 109,000 ly (estimated 33.27 kpc) |
| Apparent size (V) | 1.3' x1.0' |
| Other designations | |
| PGC 10613, UGC 2278, MCG +01-08-003, CGCG 415-011, NPM1G +04.0092 | |
NGC 1101 contains a flat-spectrum radio source[4] and it has a HI line width.[5]
To date, a non-redshift measurement gives the galaxy a distance of 81,700 megaparsecs (Mpc) or equal to ~266 million light-years.[6] This value is just outside the Hubble distance values. According to NASA/IPAC database, the diameter of NGC 1101 is calculated to be around 41.3 kiloparsecs (~135,000 light-years) if the Hubble distance were to calculate it.
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