Astronomy

The ASDF-standard contains a few astronomy-specific tags that are optional but maintained as part of the standard (for historical reasons). These include:

• fits/fits-1.1.0
• table/column-1.1.0
• table/table-1.1.0
• time/time-1.2.0
• unit/unit-1.0.0
• unit/defunit-1.0.0
• unit/quantity-1.2.0