Convective blueshifts in the solar atmosphere - II. High-accuracy observations of the Fe I 6173.3 Å line and deviations of full-disk DopplergramsF. Stief, J. Löhner-Böttcher, W. Schmidt, T. Steinmetz and R. HolzwarthA&A, 622 (2019) A34DOI: https://doi.org/10.1051/0004-6361/201834538
