crd:angleUnitType 

Angular coordinate units may be degrees, radians, hours, arcmins, arcsecs

Simple Type Information

Used By

Attribute crd:posAngleType/@unit

Source 

<xs:simpleType name="angleUnitType">
  <xs:annotation>
    <xs:documentation>Angular coordinate units may be degrees, radians, hours, arcmins, arcsecs</xs:documentation>
  </xs:annotation>
  <xs:restriction base="crd:unitType">
    <xs:enumeration value="deg"/>
    <xs:enumeration value="rad"/>
    <xs:enumeration value="h"/>
    <xs:enumeration value="arcmin"/>
    <xs:enumeration value="arcsec"/>
  </xs:restriction>
</xs:simpleType>