Radio emission and mass loss rate limits of four young solar-type stars Bibiana Fichtinger, Manuel Güdel, Robert L. Mutel, Gregg Hallinan, Eric Gaidos, Stephen L. Skinner, Christene Lynch and Kenneth G. Gayley A&A, 599 (2017) A127 Published online: 13 March 2017 DOI: 10.1051/0004-6361/201629886