NGC 5920 | |
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Observation data (J2000epoch) | |
Constellation | Serpens |
Right ascension | 15h 21m 51.85s |
Declination | +07d 42m 31.75s |
Redshift | 0.04419 |
Heliocentric radial velocity | 13,584 km/s |
Distance | 712Mly (218.3Mpc) |
Group orcluster | MKW 3 |
Apparent magnitude (V) | 13.6 |
Apparent magnitude (B) | 14.7 |
Characteristics | |
Type | Radio galaxy, BCG |
Size | 300,000ly |
Other designations | |
PGC 54839,UGC 9822,4C 07.41, Z 49-145, FIRST J152151.85+074231, PKS 1519+07,3C 318.1 |
NGC 5920 is a largelenticular galaxy located in theSerpens constellation.[1][2][3] Discovered on March 30, 1887, by American astronomerLewis Swift,[4] NGC 5920 is 711 million light-years distant from planetEarth.[5] It is a narrow-lineradio galaxy[6] and about 300,000 light-years in diameter.
NGC 5920 has anactive galactic nucleus. It presents a radio jet. In addition, it hosts a radio source in its core called 3C 318.1, indicating emissions of strong radio waves.[7] NGC 5920 was studied by Chandra-MUSE, in which X-ray and optical filament analysis in clusters were carried out.[8] The main purpose for this was to find theexcitation process responsible for increased filament emission. The research was further improved by following the cold gas phase and through study of intensive ratios in emission lines that caused the excitation. Researchers found that, there was a spatial connection between the filaments that are cold and having lower metal abundance levels.[8]
NGC 5920 is thebrightest cluster galaxy of a small galaxy cluster which is known as MKW 3.[9][10] Apart from it, another radio galaxyNGC 5919, is also located there.[4]