| NGC 681 | |
|---|---|
 legacy surveys image of NGC 681 | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 01h 49m 10.829s[1] |
| Declination | −10° 25′ 35.13″[1] |
| Redshift | 0.00587 ± 0.00002[1] |
| Heliocentric radial velocity | 1760.4 ± 6.6 km/s[1] |
| Distance | ~66.5 million ly (20.39 ± 1.45 Mpc)[1] |
| Apparent magnitude (V) | 12[2] |
| Characteristics | |
| Type | SAB(s)ab |
| Mass | 1.9×1010[3] M☉ |
| Mass/Light ratio | 3.6[3] M☉/L☉ |
| Size | ~29.07 kpc (diameter)[1] |
| Apparent size (V) | 2.70 × 1.8 arcmin[2][4] |
| Other designations | |
| MCG -02-05-052, PGC 6671[5] | |
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NGC 681 is an intermediate spiral galaxy in the constellation of Cetus, located approximately 66.5 million light-years from Earth.[1][2][4]
- ^ a b c d e f g "NGC 681 NASA/IPAC Extragalactic Database Results". ned.ipac.caltech.edu. Retrieved November 2, 2018.
- ^ a b c "New General Catalog Objects: NGC 650 - 699". cseligman.com. Retrieved November 2, 2018.
- ^ a b Cite error: The named reference
smallsombrerowas invoked but never defined (see the help page). - ^ a b "Revised NGC Data for NGC 681". spider.seds.org. Retrieved November 2, 2018.
- ^ "NGC 681". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-19.