Testing Shock Dynamics in Eta Carinae with HETGS After the 2009 Periastron Passage

Details Testing Shock Dynamics in Eta Carinae with HETGS After the 2009 Periastron Passage Testing Shock Dynamics in Eta Carinae with HETGS After the 2009 Periastron Passage

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2544c&link_type=abstract

Chandra proposal ID #10200618

Astronomy and Astrophysics

Astronomy

Scientific paper

We propose 2 HETGS observation after the X-ray minimum/periastron passage of Eta Car in Jan. 2009. These observations will take place just after the end of the "high absorption" interval, and just before the wind-blown "bubble" around the companion star breaks through the wind of Eta Car. The X-ray line profiles will be used with previously awarded HETGS observations before the minimum and synthetic line profile models and 3-D wind models and compared to the variations during the 2003.5 minimum to constrain fundamental properties of the flow like the size of the emitting region.

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