NGC 1169
From Infogalactic: the planetary knowledge core
| NGC 1169 | |
|---|---|
| 400px
Image of NGC 1169 taken by Adam Block
|
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| Observation data (J2000 epoch) | |
| Right ascension | 03h 03m 34.756s [1] |
| Declination | +46° 23′ 10.74″ [1] |
| Redshift | 0.007962 ± 0.000017 [2] |
| Helio radial velocity | 2387 ± 5 km/s [2] |
| Galactocentric velocity | 2508 ± 5 km/s [2] |
| Distance (comoving) | 35.1 ± 8.4 kpc (114 ± 27 kly)h−1 0.73 [2] |
| Type | SAB(r)b [2] |
| Mass | 4.5×1011 [3] M☉ |
| Mass/Light ratio | 10 [3] M☉/L☉ |
| Size (ly) | 120,000 × 84,000 ly [2] |
| Apparent dimensions (V) | 4.2 × 2.8 arcmin [2] |
| Apparent magnitude (V) | 9.02 [2] |
| Apparent magnitude (B) | 13.2 [1] |
| Absolute magnitude (V) | -23.6 [2] |
| Other designations | |
| NGC 1169, UGC 2503, LEDA 11521 | |
NGC 1169 (UGC 2503) is a barred spiral galaxy in the constellation of Perseus. NGC 1169 has a reddish center, indicating the region is dominated by older stars. In contrast, the outer ring contains larger blue-white stars, a sign of recent star formation.[4][5] The entire galaxy is rotating at approximately 265 km/s.[3]
NGC 1169 was discovered on December 11, 1786 by William Herschel.[6] Measurements of its distance range from 20.9 Mpc - 49.7 Mpc with an average of 35.1 Mpc.[2]
References
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