The Ultra-High Velocity (-56,000 Km/s) Absorber in the QSO PG2302+029

Details The Ultra-High Velocity (-56,000 Km/s) Absorber in the QSO PG2302+029 The Ultra-High Velocity (-56,000 Km/s) Absorber in the QSO PG2302+029

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...69h&link_type=abstract

Chandra Proposal ID #01700486

Physics

Chandra Proposal Id #01700486

Scientific paper

We will combine new AXAF/ACIS-S-BI spectra with existing and forthcoming HST UV spectra to study the extreme high-velocity absorber (detached by ~56,000 km/s from the emission redshift) in the bright (V = 16.0) QSO, PG 2302+029. The UV line profiles have moderate widths (FWHM ~ 4000 km/s) but the outflow velocities are higher than in any previously measured system. Our combined X-ray and UV observations should 1) determine for the first time if there is OUTFLOWING X-ray absorption in QSOs, 2) improve our understanding of QSO metal abundances, and 3) yield the best information to date on the physical conditions, the acceleration mechanism(s), and the relationship between UV and X-ray absorption in QSO outflows.

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