merge_dl2_runs

lstchain.io.io.merge_dl2_runs(data_tag, runs, columns_to_read=None, n_process=4)

Merge the run sequence in a single dataset and extract correct observation time based on first and last event timestamp in each file.

Parameters:
data_tag: lstchain version tag
runs: List of run numbers
columns_to_read
n_process: Number of parallel read processes to use
Returns:
Pair (observation time, data)