3C 236

3C 236 North
3C 236 by HST, 10.8″ view
Observation data (J2000 epoch)
Constellation	Leo Minor
Right ascension	10h 06m 01.7s[1]
Declination	+34° 54′ 10″[1]
Redshift	0.1005 (NED)[1]
Distance	1.3 billion light-years (Light travel time)[1]
Apparent magnitude (V)	16.4g[1]
Characteristics
Type	WLRG;LERG[1]
Apparent size (V)	0′.46 × 0′.38[1]
Other designations
PGC 29329,[1] LEDA 29329 , 7C 1003+3508 , 4C 35.22

3C 236 is a Fanaroff and Riley Class II (FR II) radio galaxy. It is among the largest known radio galaxies, with the radio structure having a total linear size in excess of 4.5 Mpc (15 million light years); this makes it the second-largest single object known in the universe. The galaxy features a "double-double" radio morphology consisting of the giant relic 4.5 Mpc source and an inner 2 kpc compact steep spectrum radio source. A recent starburst episode near the nucleus may be related to the event resulting in re-ignition of radio activity .^[2]

External links[]

• PHYSORG
• Harvard
• Spitzer at Caltech
• NASA
• JPL
• Universe Today
• NRAO
• 3C 236 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

References[]

Print sources[]

• Nature 250, 625 - 630 (23 August 1974)
• Nature 257, 99 - 103 (11 September 1975)

Coordinates: 10^h 06^m 01.7^s, +34° 54′ 10″

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