@article {2019A\&A...627A.118M, title = {Temporal evolution and correlations of optical activity indicators measured in Sun-as-a-star observations}, journal = {\aap}, volume = {627}, year = {2019}, month = {jul}, pages = {A118}, keywords = {Astrophysics - Solar and Stellar Astrophysics, Sun: activity, Sun: chromosphere, Sun: rotation, techniques: spectroscopic}, doi = {10.1051/0004-6361/201935233}, author = {Maldonado, J. and Phillips, D.~F. and Dumusque, X. and Collier Cameron, A. and Haywood, R.~D. and Lanza, A.~F. and Micela, G. and Mortier, A. and Saar, S.~H. and Sozzetti, A. and Rice, K. and Milbourne, T. and Cecconi, M. and Cegla, H.~M. and Cosentino, R. and Costes, J. and Ghedina, A. and Gonzalez, M. and Guerra, J. and Hern{\'a}ndez, N. and Li, C. -H. and Lodi, M. and Malavolta, L. and Molinari, E. and Pepe, F. and Piotto, G. and Poretti, E. and Sasselov, D. and San Juan, J. and Thompson,S. and Udry, S. and Watson, C.} }