NGC 4598
| NGC 4598 | |
|---|---|
| 250px
SDSS image of NGC 4598.
|
|
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 12h 40m 11.9s[1] |
| Declination | 08° 23′ 01″[1] |
| Redshift | 0.006541[1] |
| Helio radial velocity | 1961 km/s[1] |
| Distance | 63.7 Mly (19.54 Mpc)[2], 88.71 Mly (27.200 Mpc), 102 Mly (31.3 Mpc) (Redshift-based) [1][2] |
| Group or cluster | Virgo Cluster |
| Type | SB0[1] |
| Size (ly) | ~43,900 ly (13.45 kpc) (estimated)[1] |
| Apparent dimensions (V) | 1.47 x 1.06[1] |
| Apparent magnitude (V) | 13.6[1] |
| Other designations | |
| CGCG 70-207, MCG 2-32-171, PGC 42427, UGC 7829, VCC 1827[1] | |
NGC 4598 is a barred lenticular galaxy[3] located in the constellation Virgo.[4] NGC 4598 was discovered by astronomer William Herschel on April 15, 1784.[5]
The distance to NGC 4598 has not been accurately determened; measurements vary from 64 to 102 million light-years.[3][6] According to the NASA/IPAC Extragalactic Database, its redshift based distance is 102 Mly (31.3 Mpc) while its redshift independent based distance is 88.71 Mly (27.200 Mpc).[3] Also, according to SIMBAD, its distance is 63.7 Mly (19.54 Mpc).[6] NGC 4598’s average distance is 84.8 Mly (26.0 Mpc).[1]
Group Membership
NGC 4598 is usually considered to be a member of the Virgo Cluster.[7][8] However, P. Fouqu´e et al. suggests it may be a background galaxy independent of the main cluster.[9]
Notes
- 1.^ This value was determined by using the three other measured values given above.
See also
External links
- NGC 4598 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
References
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