#### Description:

This read-only attribute gives the data type to be used when writing out the Moc to a FITS binary table. The attribute takes the value 4 or 8. The binary table should contain a single column of signed integer values in which each integer has 4 or 8 bytes, as indicated by the value of this attribute.

Type:

  Integer, read-only.

#### Applicability

##### Moc

All Mocs have this attribute.
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