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data type

Bands in optical data in the AAVSO International Database

Bands in optical data in the AAVSO International Database (AID)

Each variable star observation in the AID contains a field that specifies the band (filter) used in making the observation.

For data downloaded from the AID using the data-download tool, the band is given as an abbreviation (e.g., visual is Vis, Johnson V is V).

In special cases, the band (e.g. visual) may be represented as a number (e.g., 0). The following numbers represents the following bands:

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