884 citations · 4.5k across the 92 of their papers we have counts for
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astro-ph.SR2009★ 26 cited
51 Pegasi - a planet-bearing Maunder minimum candidate
K. Poppenhaeger, J. Robrade, J. H. M. M. Schmitt +1
We observed 51 Peg, the first detected planet-bearing star, in a 55 ks XMM-Newton pointing and in 5 ks pointings each with Chandra HRC-I and ACIS-S. The star has a very low count r…
astro-ph.SR2009★ 46 cited
Altair - the 'hottest' magnetically active star in X-rays
J. Robrade, J. H. M. M. Schmitt
The A7 star Altair is one of the hottest magnetically active stars. Its proximity to the Sun allows a detailed investigation of a corona in X-rays for a star with a shallow convect…
astro-ph.SR2009★ 16 cited
X-ray emission from the M9 dwarf 1RXS J115928.5-524717 - Quasi-quiescent coronal activity at the end of the main sequence
J. Robrade, J. H. M. M. Schmitt
Methods: We analyse an XMM-Newton observation of 1RXS J115928.5-524717, an ultracool dwarf with spectral type M9 and compare its X-ray properties to those of other similar very lat…