The Role of the High Energy Continuum in Quasar Disk Winds

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

In addition to being interesting in its own right, quasar feedback in the form of radiatively launched, accretion-disk winds holds promise as a means of affecting star formation in gas-rich galaxies at high redshift. Significant progress is being made in fleshing out the details of this mechanism by incorporating observations from the infrared through the X-ray to constrain the properties of disk winds in luminous quasars. The effectiveness of radiative launching is particularly sensitive to the hardness of the quasar continuum; X-ray-loud quasars are unlikely to have strong winds. With the large quasar samples available from the Sloan Digital Sky Survey combined with the excellent sensitivity and growing size of the Chandra and XMM-Newton archives, the role of the high energy continuum in influencing the disk wind can now be explored in detail.

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