Soft X-ray Transient in Mira AB

Details Soft X-ray Transient in Mira AB Soft X-ray Transient in Mira AB

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003hst..prop10091k&link_type=abstract

HST Proposal ID #10091

Physics

Hst Proposal Id #10091

Scientific paper

Chandra Observations of Mira AB symbiotic-like system obtained in Dec. 2003 detected an unexpected bright soft source {<0.7 keV} in addition to the previously observed harder {1-4 keV} emission which has been attributed to the accretion disk around Mira B. The newly discovered soft X-ray source could indicate an instability in the accretion disk, an accretion related outburst in the system, or a flare-like activity in Mira A. We request DD time to carry out HST/STIS imaging and spectroscopy of Mira AB at UV wavelengths, where signatures of these processes are very likely to be found. Because of the likely transient nature of this phenomenon, timely HST observations are critical for determining the nature and the characteristics of the soft X-ray source and therefore we cannot wait for Cucle 13 observatios including TOO observations.

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