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First infrared VLTI fringes on Galactic Center sources

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, , Citation Jörg-Uwe Pott et al 2006 J. Phys.: Conf. Ser. 54 273 DOI 10.1088/1742-6596/54/1/043

1742-6596/54/1/273

Abstract

We present the frst VLTI observations of targets in the Galactic Center region. The encouraging results are establishing the scientifb capabilities of infrared interferometry in the outstanding but - for interferometric means - distant and faint dust obscured Central Parsec. We successfully combined the light of two 8m-class telescopes in K and N band with ESO's AMBER, and MIDI beam combiners. The enigmatic dust-forming and spectrally featureless source IRS 3 could be clearly resolved into two components with different physical properties. We estimated lower limits of the 10 μm sizes of the most prominent Northern Arm bow-shocks IRS 1W, 10W, and 8. Investigations on the suitability of IRS 7 as a phase reference for long baseline interferometry at NIR, wavelengths are underway.

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10.1088/1742-6596/54/1/043