Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21943512b&link_type=abstract
American Astronomical Society, AAS Meeting #219, #435.12
Astronomy and Astrophysics
Astronomy
Scientific paper
We present the analysis of the physical conditions and location of the UV outflow in the BAL quasar SDSS J1512+1119 (z=2.1099) based on the high S/N, medium resolution VLT/X-Shooter spectrum obtained in late April 2011. The outflow is detected in five distinct kinematic components spanning a velocity range of vout = -1000 to -3000 km/s. Component T2 (vout =-2200 km/s) shows, within the X-Shooter spectral range, absorption troughs associated with a multitude of ions such as the high ionization lines CIV, NV, OVI, low ionization species like CII, MgII, SiII, SiIII, SiIV, SIV and low abundance elements like PV allowing us to derive an accurate photoionization solution for the gas. The detection of troughs from excited states of CII, CIII, SiII and SIV allows us to estimate the gas density and derive the distance of the ionized gas to the central source, hence the mass flow rate and kinetic luminosity of this high ionization outflow.
Arav Nahum
Borguet Benoit
Chamberlain C.
Edmonds Doug
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