PKS 0521-365

PKS 0521-365
PKS 0521-365
	Optical image of the BL Lac object PKS 2155-304 (brightest object) obtained in R filter with ESO-NTT. Surrounding objects are close companion galaxies. Image was partly deconvolved for proper point spread function (PSF) to enhance features close to the bright nucleus.
Observation data (Epoch J2000)
Constellation	Columba
Right ascension	05h 22m 57.9839686440s
Declination	−36° 27′ 30.847737786″
Redshift	0.055
Type	BL Lac
Apparent magnitude (V)	14.62
Other designations
	QSO B0521-365
	See also: Quasar, List of quasars

PKS 0521-365 is an active galactic nucleus in the constellation Columba. The source (BL Lac object) is a strong emitter from radio to gamma frequencies. The object is at z = 0.055.

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