Robuta

https://www.aanda.org/articles/aa/abs/2015/09/aa26879-15/aa26879-15.html The H I Tully-Fisher relation of early-type galaxies | Astronomy & Astrophysics (A&A) tully fisher relation early type galaxies https://www.aanda.org/articles/aa/abs/2016/09/aa28410-16/aa28410-16.html An accurate measurement of the baryonic Tully-Fisher relation with heavily gas-dominated ALFALFA...