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XMM-Newton First Observation in the Pleiades | | K. R. Briggs
; J. P. Pye
; | | Date: |
4 Oct 2001 | | Subject: | astro-ph | | Affiliation: | University of Leicester, UK | | Abstract: | We present the first results from a 40 ks Guaranteed Time XMM-Newton pointing in the Pleiades. We detect almost all early-mid dM members in the field and several very low mass (VLM) stars - including the brown dwarf (BD) candidate Roque 9 - and investigate the variation of X-ray activity levels, hardness ratios and flare frequency with spectral type down to the BD regime. | | Source: | arXiv, astro-ph/0110109 | | Services: | Forum | Review | PDF | Favorites | |
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