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time_relative_to_ref

gammapy.utils.time.time_relative_to_ref(time, meta)

Convert a time using an existing reference.

The time reference is built as MJDREFI + MJDREFF in units of MJD. The time will be converted to seconds after the reference.

Parameters:

time : Time

time to be converted

meta : dict

dictionary with the keywords MJDREFI and MJDREFF

Returns:

time_delta : TimeDelta

time in seconds after the reference