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astro-ph.SR2025★ 9 cited
Investigating the Upper Scorpius OB association with HERMES. I. The spectroscopic sample and 6D kinematics
Joseph J. Armstrong, Jonathan C. Tan, Nicholas J. Wright +5
We present results from a large spectroscopic survey of the nearest young association to the Sun, Upper Scorpius, conducted using 2dF/HERMES on the Anglo-Australian Telescope. We u…
astro-ph.SR2025
The growth of a lithium abundance dispersion in pre main sequence stars
R. J. Jackson, R. D. Jeffries, E. Tognelli
Lithium is predicted, and observed, to be depleted in contracting, low-mass pre main sequence (PMS) stars. Yet these stars reach the zero age main sequence (ZAMS) with a spread in…