IC 4687
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| IC 4687 | |
|---|---|
.jpg) HST image of IC 4687 (center). | |
| Observation data (J2000 epoch) | |
| Constellation | Pavo |
| Right ascension | 18h 13m 39.70s |
| Declination | −57° 43′ 30.97″ |
| Redshift | 0.017345 |
| Heliocentric radial velocity | 5,200 km/s |
| Distance | 253 Mly (76.95 Mpc) |
| Apparent magnitude (V) | 0.33 |
| Apparent magnitude (B) | 0.43 |
| Characteristics | |
| Type | Sb, Sd, HI;LIRG |
| Size | 70,000 ly (estimated) |
| Apparent size (V) | 1.3' x 0.9' |
| Other designations | |
| ESO 140-IG10, IRAS 18093-5744, PGC 61602, FAIRALL 045 | |
IC 4687 known as IRAS 18093-5744 or F18093-5744, is an Sb spiral galaxy[1] located in the constellation of Pavo. It is located 250 million light years from Earth[2] and was discovered by Royal Harwood Frost on August 1, 1904, who described the object "as brighter middle with magnitude of 14.[3] It has a surface brightness of 12.5.[4]
