On the Origin of the X-Ray Emission in Late B-Type Stars

Details On the Origin of the X-Ray Emission in Late B-Type Stars On the Origin of the X-Ray Emission in Late B-Type Stars

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..753h&link_type=abstract

Chandra Proposal ID #03200188

Computer Science

Chandra Proposal Id #03200188

Scientific paper

We propose for Chandra observations of X-ray emitting late B-type stars. Because they are (theoretically) not expected to emit X-rays, their X-ray detections have been attributed to unresolved late-type, magnetically active stars. The aim of this study is to resolve close binary systems comprised of late B-type stars and visual late-type companions, in order to identify the X-ray emitter. The binary separations are between (1-8)'', i.e. well resolvable by Chandra but not with previous instruments. If we found that X-rays are always emitted by the late-type companions, it can be taken as evidence against intrinsic X-ray emission from late B-type stars. If not, it would indicate that these stars could be intrinsic X-ray emitters and stellar theories may have to be revised.

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