Definition of the characteristic flags
Option:
0
(
0
=show all flags,
x
=hexadecimal)
1
m1 (or Z) limit/missing
2
m2 (or Y) limit/missing
4
m3 (or J) limit/missing
8
m4 (or H) limit/missing
16
m5 (or K) limit/missing
32
not used
64
no cataloged optical (or NIR) magnitude