Plot of distance versus velocity from a 1931 paper by Edwin Hubble and Milton Humason. A linear fit line is drawn through the scatter plot
https://files.mastodon.social/media_attachments/files/112/989/589/360/679/207/original/11c5972c87f112ab.jpeg
Here's the velocity-distance plot from Humason’s 1931 paper with Hubble. The dots near the origin are the data used in Hubble's 1929 paper.
(Hubble relied on Humason's expertise to obtain the data for the 1929 paper as well, though he was the lone author on that one. Imo it’s proper to credit them both for that work.)
Ref: https://ui.adsabs.harvard.edu/abs/1931ApJ....74...43H/abstract
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