Correlations Between X-ray Emission and Accretion Tracers in a COUP Subsample of T Tauri Stars

Details Correlations Between X-ray Emission and Accretion Tracers in a COUP Subsample of T Tauri Stars Correlations Between X-ray Emission and Accretion Tracers in a COUP Subsample of T Tauri Stars

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1126..373s&link_type=abstract

SIMBOL-X: FOCUSING ON THE HARD X-RAY UNIVERSE: Proceedings of the 2nd International Simbol-X Symposium. AIP Conference Proceedi

Physics

X-Ray, X-Ray Sources, X-Ray Bursts, Infall, Accretion, And Accretion Disks, Spectroscopy And Spectrophotometry, Normal Galaxies, Extragalactic Objects And Systems

Scientific paper

Using data from FLAMES-GIRAFFE/VLT in two different bands (optical and infrared) we derived for 60 stars at least one accretion tracer. The accretion tracers used were: CaII infrared triplet, HeI 5875, Na-D and optical veiling. All these stars are from a subsample of COUP; therefore their X-rays properties are well known. In this work we correlate the (COUP) X-ray properties of these classical T Tauri stars with their spectral accretion tracers, finding that there is a correlation between the X-ray hardness ratio and the optical veiling.

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