The contribution of discrete sources to the sky temperature at 144 MHz M. J. Hardcastle, T. W. Shimwell, C. Tasse, P. N. Best, A. Drabent, M. J. Jarvis, I. Prandoni, H. J. A. Röttgering, J. Sabater and D. J. Schwarz A&A, 648 (2021) A10 Published online: 07 April 2021 DOI: 10.1051/0004-6361/202038814