# "Observation" class

## Description

Owner: ObservationDM

It contains the following associations:

- datasetID:DatasetID
- target:Target
- curation:Curation
- datasetID:DatasetID
- curation:Curation
- target:Target
- mapping:Mapping
- characterisation:Characterisation
- access:Access
- filter:Filter

It contains the following attributes:

- internalID
- datatype
- waveband : A string defined in the VOresource schema to name the spectral domain to which this observation belongs: optical, radio, XRay, Gamma- ray, etc.. see http://www.ivoa.net/Documents/latest/VODataService.html#cover for more info.