lavenderblue Messages 18 Reaction score 0 Thread starter Jan 9, 2010 #1 I need to convert the intensity, 130 counts per pixel into magnitudes per sq arc second. I have been given the radius as 5 arc sec, and a calibration constant, which is 30.8.
I need to convert the intensity, 130 counts per pixel into magnitudes per sq arc second. I have been given the radius as 5 arc sec, and a calibration constant, which is 30.8.
ideasrule Homework Helper Messages 2,286 Reaction score 0 Jan 9, 2010 #2 Only you know what the calibration constant and radius represent, so why not explain it to us?