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astro-ph.SR2015★ 13 cited
X-rays from Hot Subdwarfs
Sandro Mereghetti, Nicola La Palombara
Thanks to the high sensitivity of the instruments on board the XMM-Newton and Chandra satellites, it has become possible to explore the properties of the X-ray emission from hot su…
astro-ph.SR2015★ 9 cited
Follow-up observations of X-ray emitting hot subdwarf star: the He-rich sdO BD +37° 1977
N. La Palombara, P. Esposito, S. Mereghetti +2
We report on the results of the first XMM-Newton satellite observation of the luminous and helium-rich O-type subdwarf BD +37° 1977 carried out in April 2014. X-ray emission is det…