2 papers
astro-ph2004
X-ray emission from a brown dwarf in the Pleiades
K. R. Briggs, J. P. Pye
We report the first detection of X-ray emission from a brown dwarf in the Pleiades, the M7-type Roque 14, obtained using the EPIC detectors on XMM-Newton. This is the first X-ray d…
astro-ph2003
XMM-Newton and the Pleiades -- I: Bright coronal sources and the X-ray emission from intermediate-type stars
K. R. Briggs, J. P. Pye
We perform X-ray spectral and timing analyses of solar-like (spectral types F5--K8) and intermediate-type (B4--F4) Pleiads observed in a 40-ks XMM-Newton EPIC exposure. All 8 solar…