04h59m17.4s, −11° 07′07″| NGC 1721 | |
|---|---|
| |
| Observation data (J2000 epoch) | |
| Constellation | Eridanus |
| Right ascension | 04h59m 17.4s[1] |
| Declination | −11° 07′ 07″[1] |
| Redshift | 0.015010[1] |
| Heliocentric radial velocity | 4 500 ± 9 km/s[1] |
| Galactocentric velocity | 4 388 ± 10 km/s[1] |
| Distance | 200 Mly (61.3 Mpc)[1] |
| Characteristics | |
| Type | (R')SAB00(s)[1] |
| Size | 36.92 by 17.58 kpc[1] |
| Other designations | |
| MCG -02-13-027, PGC 16484[1] | |
NGC 1721 is a lenticular galaxy (S0) located in the constellation Eridanus. It was discovered on the 10th of Nov 1885[2]byEdward Emerson Barnard. This galaxy is a member of the NGC 1723 Group—consisting of NGC 1723 (the brightest member, 11.7-mag) and a close triplet of NGC 1721, NGC 1725 and NGC 1728.[3]
NGC 1721 is a Dreyer Object (a now archaic astronomical term), meaning that it was included in the original New General CataloguebyJLE Dreyer.[4]
Media related to NGC 1721 at Wikimedia Commons
|
| |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||
| Stars |
| ||||||||||||
| |||||||||||||
| Nebulae |
| ||||||||||||
| Galaxies |
| ||||||||||||
| |||||||||||||
| |||||||||||||
 | This lenticular galaxy article is a stub. You can help Wikipedia by expanding it. |
