Axis symbol
"
RA"
and
"
Dec"
(for Right Ascension and Declination).
If a Symbol value has not been set for a Frame axis, then a suitable default is supplied.
"
<Domain><n>"
, where <n>
is 1, 2, etc. for successive axes, and
<Domain>
is the value of the Frame’
s Domain attribute (truncated if necessary so that the final string
does not exceed 15 characters). If no Domain value has been set, "
x"
is used as the
<Domain>
value in constructing this default string. "
RA"
or "
Dec"
) as appropriate for the particular celestial coordinate system
being represented. When specifying this attribute by name, it should be subscripted with the number of the Frame axis to which it applies.