SpectralLineData

SpectralLineData[entity] gives the values of all known properties for an atomic state or state transition.

SpectralLineData[entity,property] gives the value of the specified property for the given entity.

SpectralLineData[quantity] returns the state transition with the closest wavelength or frequency specified.

SpectralLineData[class,quantity] returns the entity in the specified entity class with the closest wavelength or energy to the specified quantity.

SpectralLineData[spec,{quantity1,quantity2}] returns the entities in spec that fall within the range specified between quantity1 and quantity2.

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