Lowering IceCube's energy threshold for point source searches in the Southern sky

IceCube Collaboration, Lionel Brayeur, Martin Casier, Catherine De Clercq, Krijn De Vries, Gwenhaël Laure De Wasseige, Geraldina Tamara Golup, Jan Kunnen, Jan Lünemann, Giuliano Alexander Maggi Olmedo, Simona Toscano, Nicolaas Van Eijndhoven