Discovery of a luminous white dwarf in a young star cluster in the Large Magellanic Cloud

Abstract

We have identified a candidate 1-2 x 10^5 year old luminous white dwarf in NGC 1818, a young star cluster in the Large Magellanic Cloud. This discovery strongly constrains the boundary mass M_c at which stars stop forming neutron stars and start forming white dwarfs, to M_c > 7.6 Msun.

4 pages, 2 figures, greyscale image available by ftp from [email protected]. ApJLetters, accepted 17 March 1998

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