Gaia Radial Velocities

The release of Gaia radial (line-of-sight) velocities in DR2 represents for me the first fruits of 17 years of work in the Gaia project. Such is the timescale of a mission as demanding, and different, as Gaia. I knew from the start, at mission adoption in 2001, that this would be a remarkable endeavour, not only from the scientific and technical perspective, but also from the long term working relationships and comradery that engaging deeply with it would entail.

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