vega_to_ab_offset

simsit.photometry.vega_to_ab_offset(filter_name)

Return the additive offset to convert Vega magnitudes to AB magnitudes.

Parameters

filter_namestr

Filter name. Supported values include:

• "2MASS_Ks"

• "2MASS_H"

• "2MASS_J"

• "G"

• "BP"

• "RP"

Returns

float

Magnitude offset to add to a Vega magnitude to obtain an AB magnitude.