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Revealing the Chamaeleon: First detection of a low-mass stellar halo around the young open cluster Eta Chamaeleontis
Simon J. Murphy, Warrick A. Lawson, Michael S. Bessell
We have identified several lithium-rich low-mass (0.08<M<0.3 Msun). stars within 5.5 deg of the young open cluster Eta Chamaeleontis, nearly four times the radius of previous searc…
Episodic disk accretion in the halo of the 'old' Pre-Main Sequence cluster Eta Chamaeleontis
Simon J. Murphy, Warrick A. Lawson, Michael S. Bessell +1
We present multi-epoch medium-resolution observations of two M4.5 candidate members in the halo of the ~8 Myr Eta Chamaeleontis open cluster. Over six months of observations both s…
First detection of a low-mass stellar halo around the young open cluster Eta Chamaeleontis
Simon J. Murphy, Warrick A. Lawson, Michael S. Bessell
We have identified several lithium-rich low-mass (0.08<M<0.3 Msun) stars within 5.5 deg of the young open cluster Eta Chamaeleontis, nearly four times the radius of previous search…