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Serrano, M. C. Nixon, M. Kuzuhara, M. Lafarga, M. R. Zapatero Osorio, M. Tamura, N. Narita, N. Watanabe, P. J. Amado, P. Kabath, R. Luque, S. Dreizler, S. H. Albrecht, S. Redfield, S. Reffert, T. Henning, T. Hirano, T. Kotani, T. Kudo, V. M. Passegger, V. Van Eylen, W. D. Cochran","submitted_at":"2022-08-15T15:53:26Z","abstract_excerpt":"Context. Despite being a prominent subset of the exoplanet population discovered in the past three decades, the nature and provenance of sub-Neptune-sized planets are still one of the open questions in exoplanet science. Aims. For planets orbiting bright stars, precisely measuring the orbital and planet parameters of the system is the best approach to distinguish between competing theories regarding their formation and evolution. Methods. 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Fukui, A. Muresan, A. P. Hatzes, A. Quirrenbach, A. Reiners, C. Cifuentes, C. M. Persson, D. Gandolfi, D. Kossakowski, E. Esparza-Borges, E. Goffo, E. Pall\\'e, E. W. Guenther, F. Murgas, G. Morello, G. Nowak, H. J. Deeg, H. L. M. Osborne, H. Parviainen, I. Ribas, J. A. Caballero, J. C. Morales, J. Korth, J. Livingston, K. Kawauchi, K. W. F. Lam, L. M. Serrano, M. C. Nixon, M. Kuzuhara, M. Lafarga, M. R. Zapatero Osorio, M. Tamura, N. Narita, N. Watanabe, P. J. Amado, P. Kabath, R. Luque, S. Dreizler, S. H. Albrecht, S. Redfield, S. Reffert, T. Henning, T. Hirano, T. Kotani, T. Kudo, V. M. Passegger, V. Van Eylen, W. D. Cochran","submitted_at":"2022-08-15T15:53:26Z","abstract_excerpt":"Context. Despite being a prominent subset of the exoplanet population discovered in the past three decades, the nature and provenance of sub-Neptune-sized planets are still one of the open questions in exoplanet science. Aims. 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