PKS 2155-304是已知最明亮的活躍星系之一,屬於蝎虎座BL型天體,在天球上位於南魚座

Quick Facts PKS 2155-304, 觀測資料(曆元 J2000) ...
PKS 2155-304
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Image of PKS 2155-304 obtained in R band at ESO-NTT.
觀測資料(曆元 J2000)
星座南魚座
赤經21h 58m 52.0651817803s
赤緯-30° 13′ 32.120657891″
紅移0.116
類型蝎虎座BL型天體
視星等 (V)13.09
其他編號
QSO B2155-304,
參見:類星體類星體列表
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PKS 2155-304在電磁波譜上是從無線電波到高能輻射的強發射源,其紅移值z = 0.116 (Falomo, Pesce & Treves 1993)。它是最明亮和被研究最多的蝎虎座BL型天體之一,並且常被認為是X射線選擇蝎虎座BL型天體的原型[1]

參考資料

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