Observations of H1414+089, QSO with extremely high velocity broad-absorption-line gas

Astronomy and Astrophysics – Astronomy

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Absorption Spectra, Interstellar Gas, Quasars, Doppler Effect, Emission Spectra, Velocity Distribution

Scientific paper

The authors present spectroscopic observations of a faint optically-selected QSO with broad absorption features in its spectrum. The absorption troughs are extremely complex with both large- and small-scale structure. The low-velocity edge of the C IV trough is displaced blueward of the apparent emission line center by ⪆13,000 km s-1. The data provide evidence that the gas responsible for the broad absorption trough is moving relative to the gas responsible for the broad emission lines by up to 66,000 km s-1.

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