V2129 Oph: a close look at a CTTS

Details V2129 Oph: a close look at a CTTS V2129 Oph: a close look at a CTTS

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2543f&link_type=abstract

Chandra proposal ID #10200574

Physics

Scientific paper

We propose to obtain a high resolution X-ray spectrum of the CTT star V2129 Oph in the ρ Ophiuchi star forming cloud. The 200 ks Chandra observation is part of a larger program that includes optical Doppler and Zeeman-Doppler mapping of the stellar photosphere and magnetic field and a simultaneous monitoring of accretion signatures. V2129 Oph is one of the two CTTS for which a magnetogram has been published. Our primary objective is to derive the differential emission measure and the density of the cool plasma at the accretion shock, directly testing the prediction of a published coronal and accretion model, revised with new maps of the magnetic field.

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