MKN 501

Image from Bell Astrophysical Observatory  

RA: 16h 53m 52.3s
Dec: +39° 45' 37"

Offset Stars:
SAO 65504 m3
16h 42m 53.8s
+38° 55' 20"

 Guide Star
XY = 1170, 410
exposure time = 0.7-1 sec
Suggested gain = 23		 Classifications: HBL
Redshift (z) = 0.033663
mag = 14.15
Power (BL Lac) = 0.34		 Star B V R I
1

13.55(0.03)

12.61(0.02)

12.11(0.02)

11.65(0.04)
2

14.10(0.03)

13.23(0.02)

12.79(0.02)

 
3

15.98(0.04)

15.24(0.02)

14.80(0.02)

 
4

16.05(0.05)

15.30(0.02)

14.96(0.02)

14.56(0.07)
5

16.27(0.04)

15.51(0.02)

15.08(0.02)

 
6

16.82(0.05)

15.67(0.04)

14.99(0.04)

14.34(0.08)

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