astro-ph.SR astro-ph.GA astro-ph.HE
A second candidate magnetic helium core white dwarf and 3 other variable white dwarfs in the globular cluster NGC 6397
Manuel Pichardo Marcano Liliana E. Rivera Sandoval Thomas J. Maccarone Rene D. Rohrmann Leandro G. Althaus Craig O. Heinke Diogo Belloni Arash Bahramian