The Nature of the Star Formation Trigger in NGC 1068

Computer Science

Scientific paper

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Hst Proposal Id #5942 Agn

Scientific paper

We propose to use the GHRS/G140L and the PC of the WFPC2 to observe four very bright and luminous starburst knots and the nebular emission within the inner 3 Kpc region of NGC 1068. The resulting spectra of the knots will be modeled with our population synthesis code, which incorporates a new library of high dispersion IUE stellar spectra. The use of this powerful new tool will place strong constraints on the stellar ages and the star formation history in these knots. These data in combination with the PC imagery will be compared with the the expectations for the possible triggering mechanisms that might be responsible for the luminous knot in the inner 3 Kpc. Specifically, we will explore if our inferred ages for the knots and the high angular resolution emission line morphology are consistent with the star formation being initiated by the strong radiation field from the central AGN, stochastic processes, or passage of spiral density waves through the inner CO Ring of the galaxy.

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