PKS 2155-304

Image from Bell Astrophysical Observatory  

RA: 21h 58m 52.0s
Dec: -30° 13' 32"

Offset Stars:
SAO 190559 m5.24
21h 42m 00.7s
-23° 15' 46"

XY Guider Position:
673, 776
Exp time = 0.8 sec
Suggested gain = 25
Classification: HBL
Redshift (z) = 0.116
mag = 13.5
Power (BL Lac) = 10.84
Star U B V R I
2 12.89 (0.02) 12.74 (0.01) 12.05 (0.01) 11.67 (0.01) 11.30 (0.02)
3 14.58 (0.02) 13.90 (0.01) 13.00 (0.01) 12.47 (0.02) 12.04 (0.02)
4 14.43 (0.02) 14.93 (0.01) 14.28 (0.01) 13.92 (0.02) 13.92 (0.02)
5 16.00 (0.04) 16.01 (0.03) 15.35 (0.03) 15.01 (0.04) 14.69 (0.03)

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