I ZW 187

Image from Bell Astrophysical Observatory  

RA: 17h 28m 18.6s
Dec: +50° 13' 10"

Offset Stars:
 SAO 46723 m5.8
17h 26m 44.2s
+48° 15' 36"

SAO 46872 m3.82
17h 39m 27.9s
+46° 00' 23

XY Guider Position:
550, -460
exposure time = 0.8 sec
suggested gain = 23 		Classification: HBL
Redshift (z) = 0.055405
mag = 16.4
Power (BL Lac) = 0.12		 Star V R I
B 13.14 (0.06) 12.81 (0.06) 12.49 (0.06)
H 15.29 (0.06) 14.99 (0.06) 14.66 (0.06)
L 16.10 (0.09) 15.71 (0.09) 15.35 (0.08)

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