NGC 5090 and NGC 5091

NGC 5090 and NGC 5091
NGC 5090/5091 (VLT)
Observation data (J2000 epoch)
Constellation	Centaurus
Right ascension	13h21m12.8h / 13h 21m 17.7s[1]
Declination	-43d42m162° / -43° 43′ 11″[1]
Redshift	3420 ± 20 / 3530 ± 150 km/s[1]
Distance	150 Mly[citation needed]
Type	E2 / Sb pec sp[1]
Apparent dimensions (V)	2′.9 × 2′.4 / 1′.8 × 0′.5[1]
Apparent magnitude (V)	12.6 / 13.9[1]
Notable features	interacting galaxies
Other designations
PGC 46618 / 46626[1]
See also: Galaxy, List of galaxies

NGC 5090 and NGC 5091 are a set of galaxies approximately 150 million light-years away in the constellation Centaurus. They are in the process of colliding and merging with some evidence of tidal disruption of NGC 5091.

NGC 5090 is an elliptical galaxy while NGC 5091 is a spiral galaxy. The velocity of the nucleus of NGC 5091 has been measured as 3429 km/s, while NGC 5090 has a velocity of 3185 km/s. NGC 5090 is associated with a strong, double radio source (PKS 1318-43).

See also

• ESO 269-57
• NGC 2207 and IC 2163
• NGC 6872 and IC 4970

External links

• ESO: Six New VLT Photos from ANTU/FORS1
• NASA's APOD: Seeing Through Galaxies (12/5/1997)
• NGC 5090 and NGC 5091 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

References

1. ^ ^{a b c d e f g} "NASA/IPAC Extragalactic Database". Results for NGC 5090 / 5091. http://nedwww.ipac.caltech.edu/. Retrieved 2006-11-25. 

Coordinates: 13^h 21^m 17.7^s, −43° 43′ 11″