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Diffraction-limited Visible Light Images of Orion Trapezium Cluster with the Magellan Adaptive Secondary Adaptive Optics System (MagAO)

  • Authors: L. M. Close, J. R. Males, K. Morzinski, D. Kopon, K. Follette, T. J. Rodigas, P. Hinz, Y-L. Wu, A. Puglisi, S. Esposito, A. Riccardi, E. Pinna, M. Xompero, R. Briguglio, A Uomoto, and T. Hare

Close et al. 2013 The Astrophysical Journal 774 94.

  • Provider: AAS Journals

Caption: Figure 3.

Top row: the central ionizing binary of the Trapezium: θ 1 Ori C as imaged with MagAO's VisAO CCD camera in different filters. Note the excellent resolution in the raw 60 s image. We note that no post-detection shift and add (SAA) was applied, nor was there any frame selection used to produce these top row images. Typically we achieved resolutions of 0 farcs026–0 farcs029 and Strehls of 28%–35% in 0 farcs5–0 farcs7 V-band seeing. Middle row: the same data as the top row, except the images have been post-detection aligned (SAA) and the pixel response function (PRF) has been removed. This improved image resolution by ~5–6 mas. Bottom row: the row above is magnified by three times to better display the data of the middle row. These are the highest resolution deep images ever obtained to our knowledge.

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