0
An arc-second is equivalent to one sixtieth (1/60) of one arc-minute. An arc-minute is equivalent to one sixtieth (1/60) of one degree.
60
A second of arc.
there are 60 seconds in one minute. An arc minute is 1/60 degree and an arc second is 1/3600 degree
There is no such thing as one degree of minute.There are 60 minutes of arc in one degree of arc and 60 seconds of arc in one minute of arc