Resolving X-ray sources from B-stars spectroscopically: The example of mu Lep

Details Resolving X-ray sources from B-stars spectroscopically: The example of mu Lep Resolving X-ray sources from B-stars spectroscopically: The example of mu Lep

2004-07-16

arxiv.org/abs/astro-ph/0407338v1

Astrophys.J. 612 (2004) L65-L68

Astronomy and Astrophysics

Astrophysics

To be published in ApJ

Scientific paper

10.1086/424485

We present high-resolution X-ray observations of the chemically peculiar late-type B-star: mu Lep. However, we find spectroscopic and astrometric evidence, which show that the X-rays are not traced back to the B-star itself, but rather to a previously unresolved companion: mu Lep-B, whose X-ray spectrum resembles that of a coronally active source. We discuss the possibility that mu Lep-B is a pre-main-sequence companion, most likely of the non-accreting magnetically-active type.

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