Resolving the nature of PKS 1413+135 and its absorber

Astronomy and Astrophysics – Astronomy

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Chandra Proposal Id #08700734

Scientific paper

The radio-loud AGN PKS 1413+135 has puzzled astronomers for decades, because of its small size, extreme IR spectral cutoff and apparent spiral host galaxy. HST, ASCA and VLBA observations suggest an elegant solution: the AGN is partially covered by a giant molecular cloud in the galaxy's disk. We propose Chandra observations to verify this hypothesis. The Chandra observations will allow us to obtain a 0.1" quality position for comparison with the radio source position, and will allow us to investigate the possibility that the X-ray spectrum as measured by ASCA was due to reprocessed and/or extended emission. We expect to see both absorption edges as well as Fe K-alpha emission, which will allow us to investigate connections between the source's youth and the nature of its host galaxy.

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