A pilot study to Doppler-image an accretion spot

Details A pilot study to Doppler-image an accretion spot A pilot study to Doppler-image an accretion spot

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009xmm..prop..194m&link_type=abstract

XMM-Newton Proposal ID #06557601

Physics

Stars, White Dwarfs, Solar System, Mn Lup

Scientific paper

Classical T Tauri stars (CTTS) are young, accreting systems. The accretion is thought to cause a soft X-ray excess and unusual line ratios in the He-like triplets. The accretion spots can also be seen with optical Doppler-imaging; however, the final test to correlate these signatures - simultaneous X-ray and ground-based observations - is still missing. We propose a 15 ks pilot study of MN Lup, the prime target for simultaneous observations from the optical point of view, to confirm its CTTS status and characterize its X-ray properties.

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