Summary
In a recent VLTI experiment we partially resolved the dust enshrouded star IRS 3 in the central light year of our galaxy. This observation is the first step in investigating both IRS 3 in particular and the stellar population of the Galactic Center in general with the VLTI at highest angular resolution. Here some of the scientific issues that can be addressed by a complete MIDI dataset on IRS 3 in the mid infrared are outlined. A bright compact source like IRS 3 is also technically essential for future VLTI phase-reference experiments at 10 μm in order to investigate other nearby sources, e.g. the Sgr A* black hole. For this purpose it is important to know the strength and compactness of IRS 3 on the longest baselines.
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Eckart, A. et al. (2007). IRS 3 - The Brightest Compact MIR Source in the Galactic Center. In: Richichi, A., Delplancke, F., Paresce, F., Chelli, A. (eds) The Power of Optical/IR Interferometry: Recent Scientific Results and 2nd Generation Instrumentation. Eso Astrophysics Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74256-2_37
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DOI: https://doi.org/10.1007/978-3-540-74256-2_37
Publisher Name: Springer, Berlin, Heidelberg
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