NGC 755
Galaxy in the constellation Cetus
From Wikipedia, the free encyclopedia
NGC 755 is an emission line spiral galaxy in the constellation of Cetus.[1][3] The galaxy's velocity of 1641.2 km/s was used to calculate its distance using the Tully–Fisher relation.[1][2] Its dark matter halo was found to be core-dominated, in agreement with predictions from the lambda-CDM model of cosmology.[2]
| NGC 755 | |
|---|---|
NGC 755 as seen from the Sloan Digital Sky Survey | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 01h 56m 22.685s[1] |
| Declination | −09° 03′ 41.15″[1] |
| Redshift | 0.005490[1] |
| Heliocentric radial velocity | 1641.2 km/s[1] |
| Distance | 69 Mly (21.3 Mpc)[2] |
| Apparent magnitude (B) | 13.2[1] |
| Absolute magnitude (V) | −18.27 |
| Characteristics | |
| Type | SBcd[1] |
| Other designations | |
| NGC 763, MCG -02-06-005, PGC 7262[1] | |
