An Intrinsic Absorption Complex Toward RXJ1230.8+0115: Geometry and Photoionization Conditions

Details An Intrinsic Absorption Complex Toward RXJ1230.8+0115: Geometry and Photoionization Conditions An Intrinsic Absorption Complex Toward RXJ1230.8+0115: Geometry and Photoionization Conditions

2003-08-15

arxiv.org/abs/astro-ph/0308274v1

Astrophys.J.598:922-934,2003

Astronomy and Astrophysics

Astrophysics

16 pages using emulateapj latex document class, including 6 color figures, to appear in ApJ v598 n2

Scientific paper

10.1086/379057

We present HST/STIS and FUSE spectra of the quasar RXJ1230.8+0115 (V=14.4, z=0.117). In addition to Galactic, Virgo, and intervening absorption, this quasar is host to a remarkable intrinsic absorption complex. Four narrow absorption line systems, strong in CIV, NV, and OVI, lie within 5000 km/s of the QSO redshift. Three of the systems appear to be line-locked, two in NV, and two in OVI, with the common system residing in between the other two (in velocity). All three systems show signs of an intrinsic origin -- smooth wind-like profiles, high ionization, and partial coverage of the central engine. The fourth system, which appears at the systemic redshift of the QSO, may originate from host galaxy or intervening gas. Photoionization analyses imply column densities in the range 19.1

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