def is_UVES_popler(hd):
    """ Check if this header is UVES_popler output.

    Parameters
    ----------
    hd : FITS header

    Returns
    -------
    True if a UVES_popler file, False otherwise.
    """
    if 'history' not in hd:
        return False
    for row in hd['history']:
        if 'UVES POst Pipeline Echelle Reduction' in row:
            return True
    return False