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25 October 2004 Using adaptive optics to probe the dynamics and star formation in active galactic nuclei
Richard I. Davies, Linda Tacconi, Reinhard Genzel, Thomas Ott, Sebastian Rabien
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Proceedings Volume 5490, Advancements in Adaptive Optics; (2004) https://doi.org/10.1117/12.568135
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom
Abstract
Using adaptive optics on the Keck Telescope and the VLT, we are able to probe the dynamics and star formation in Seyfert and QSO nuclei on spatial scales better than 0.1" in the H- and K-bands. Such spectroscopic data are essential for studying the link between AGN and star formation, understanding how gas is driven into the nucleus, and measuring the black hole mass. In this contribution we present some of our recent results, and consider what an astronomer needs from an adaptive optics system for extragalactic work, as well as what is realistic to expect. We discuss why deconvolution is not appropriate in this context; and examine the scientifically more useful alternative of convolving a model with an estimate of the PSF, describing what level of detail and reliability can actually be achieved in the various methods of measuring the PSF.
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Richard I. Davies, Linda Tacconi, Reinhard Genzel, Thomas Ott, and Sebastian Rabien "Using adaptive optics to probe the dynamics and star formation in active galactic nuclei", Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); https://doi.org/10.1117/12.568135
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KEYWORDS
Stars
Point spread functions
Adaptive optics
Galactic astronomy
K band
Absorption
Carbon monoxide
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