An ACIS-HETGS TOO of the microquasar XTE J1748-288

Details An ACIS-HETGS TOO of the microquasar XTE J1748-288 An ACIS-HETGS TOO of the microquasar XTE J1748-288

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1423l&link_type=abstract

Chandra Proposal ID #05400399

Physics

Chandra Proposal Id #05400399

Scientific paper

We propose a 140ks HETGS TOO, separated into any combination of the previously observed very high (30~ks), high~(40~ks), and low~(70~ks) states in the microquasar XTE J1748-288 in order to characterize its spectral behavior during these phases. We will look for and resolve narrow absorption/emission features expected from the disk atmosphere or P-Cygni profiles indicative of a wind, and track the behavior of the strong Fe K-alpha emission which may be relativistic. Observations during the low state may give us the best opportunity for obtaining spectra, and possibly 0th order X-ray image of a relativistic jet in a microquasar. The proposed time was awarded to this proposal in Chandra cycles AO2 and AO3 -- the source has remained off.

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