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A lithium depletion boundary age of 22 Myr for NGC 1960
R. D. Jeffries, Tim Naylor, N. J. Mayne +2
We present a deep Cousins RI photometric survey of the open cluster NGC 1960, complete to R_C \simeq 22, I_C \simeq 21, that is used to select a sample of very low-mass cluster can…
Pre-main-sequence isochrones -- II. Revising star and planet formation timescales
Cameron P. M. Bell, Tim Naylor, N. J. Mayne +2
We have derived ages for 13 young (<30 Myr) star-forming regions and find they are up to a factor two older than the ages typically adopted in the literature. This result has wide-…
No evidence for intense, cold accretion onto YSOs from measurements of Li in T-Tauri stars
Darryl J. Sergison, N. J. Mayne, Tim Naylor +2
We have used medium resolution spectra to search for evidence that proto-stellar objects accrete at high rates during their early 'assembly phase'. Models predict that depleted lit…