PKS 2155-304
BL Lac | |
|---|---|
| Apparent magnitude (V) | 13.09 |
| Other designations | |
| QSO B2155-304, | |
| See also: Quasar, List of quasars | |
PKS 2155-304 is a
BL Lac object, a galaxy hosting a type of blazar
. It is a strong emitter from radio to high-energy frequencies.
PKS 2155-304 is at redshift z = 0.116 (Falomo, Pesce & Treves 1993)[full citation needed]. It is one of the brightest and most studied BL Lacs, one of the first identified through X-ray observations.[1]
References
- S2CID 119319369.
 | This galaxy-related article is a stub. You can help Wikipedia by expanding it. |
| Stars |
| ||||||||
|---|---|---|---|---|---|---|---|---|---|
| |||||||||
| Galaxies |
| ||||||||
| |||||||||
| |||||||||
