HIGH-RESOLUTION IMAGING BY INTERFEROMETRY

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1 NOAO-ESO Conference on HIGH-RESOLUTION IMAGING BY INTERFEROMETRY Ground-Based Interferometry at Visible and Infrared Wavelengths March 1988, Garching bei Munchen, F.R.G. PROCEEDINGS Edited by F. Merkle July 1988 PARTI UB/TIB Hannover i RO 771(29,1) ESO Conference and Workshop Proceedings No. 29

2 Vll TABLE OF CONTENTS PARTI Foreword F. Merkle iii SECTION 1: ASTRONOMY AT HIGH ANGULAR RESOLUTION The Potential of Very High Angular Resolution Measurements of Binary and Mul- 3 tiple Stars H. A. McAlitter High Resolution Imaging and Stellar Physics 19 /. Appenzeller Ground Based High Angular Resolution Observations of Quasars and Nuclei of 33 Galaxies: Current Results and Future Aims M.-H. Ulrieh Infrared Interferometry with Single and Multiple Telescopes 55 S.T. Ridgway Interferometric Imaging of Protoplanetary Disks Around Young Stars 69 C. Bertout, J. Bouvier Scientific Goals for Solar Interferometry 77 O. von der Like, J.B. Zirker SECTION 2: SINGLE APERTURE INTERFEROMETRY a. METHODS AND TECHNIQUES Application of Speckle Interferometry Techniques: Working with Real Data 97 J. C. Ckristou Infrared Speckle Interferometry: Practice, Limitations and Achievements 113 C. Perrier Speckle Interferometry and Speckle Spectroscopy with the 6-m Telescope 127 V.L. Afanas'jev, I.I. Balega, Y.Y. Balega, V.A. Vasyuk, V.G. Orlov

3 Vlll Reconstruction of One-Dimensional High Resolution IR Images 143 D. Benitez, F.J. Fuentea, R. Navarro, J.J Fuensalida, M. Nieto-Vesperinas Speckle Masking 151 G. Baier, J. Eckert, K.H. Hofmann, W. Mauder, D. Schertl, H. Weghorn, G. Weigelt Speckle Masking Imaging of Extended Sources 159 O. von der Like, E. Pehlemann On a New Class of Iterative Algorithms for Phase-Closure Imaging and Bispectrum 169 Analysis A. Lannes Signal-to-Noiae Ratio of the Bispectral Analysis of Speckle Interferometry 181 T. Nakajima Computational Aspects of Bispectral Analysis in Interferometric Imaging 191 P. W. Gorham Application of Speckle-Masking to 1-D Infrared Speckle Data: Modulus Recovery 201 and Imaging J.C. Chriatou, J.D. Freeman, D.W. McCarthy Jr., F. Roddier Atmospheric Noise on the Bispectrum: Limiting Faintness for Binary Stars 217 S.N. Karbelkar Objective Prism Speckle Spectroscopy and Wideband Projection Speckle Spec- 225 troscopy F. Grieger, F. Fleischmann, G. Weigelt Differential Speckle Imaging 235 R.G. Petrov Tetrapus: Non Diffraction Limited Resolution Using Chromatic Position Difference 249 Measurements C. Aime, J. Borgnino, G. Lund, G. Ricort Phase Recovery from Pupil-Plane Interferograms 257 C. Roddier, F. Roddier Triple Shearing Interferometry and Shearing Spectroscopy 267 K.-H. Hofmann, G. Weigelt Phase Relations and Imaging in Pupil Plane Interferometry 271 E. Ribak

4 IX A Near Infrared Rotation Shearing Interferometer 281 J.-M. Mariotti, J.-L. Monin, A. Zadrozny, C. Perrier Image Reconstruction for an Aberrated Amplitude Interferometer with a Partially- 293 Filled Aperture J.R. Fienup, J.D. Gorman High Resolution Imaging Results 303 E.K. Hege Centroiding as a Phase Closure Relationship 317 L.C. de Freitas, J.C. Dainty Knox-Thompson and Triple Correlation Imaging at Low Light Levels 325 G.R. Ayera, J.C. Dainty, M.J. Nortkcott A Comparison of Phase Retrieval Algorithms Applied to Simulated Astronomical 341 Infrared Speckle Data J.D. Freeman, J.C. ChrUtou, D.W. McCarthy Jr. Theoretical Performances of Phase Reconstruction Methods in Optical Interferom- 349 etry A. Chelli Comparison of Knox-Thompson and Bispectrum Algorithms for Reconstructing 357 Phase of Complex Extended Objects J. W. Beletic Comparison of Discrete-Photon Phase-Gradient and Knox-Thompson Algorithms 373 G.J.M. Aitken, R. Johnson Speckle Imaging with the MAMA Detector 381 J.S. Morgan First Results with the NOAO 2-D Speckle Camera for Infrared Wavelengths 393 J.M. Beckers, J.C. Christou, R.G. Probst, S.T. Ridgway, O. von der Luhe Application of MicroChannel Spatial Light Modulator to Speckle Observations 401 S. Isobe, J. Otsubo, T. Takemori, K. Fujita Advance in the High-Resolution Imaging by Interferometry at the Yunnan Obser- 407 vatory Wang Yiming, Qiu Yaohui, Qiu Puzhang, Lu Ruining, Qian Pin Adaptive Phase Retrieval 411 B.P. Burkhalter

5 Imaging of Multiple Star Systems Using the Second Probability Density Function: 425 Mathematical Description and Numerical Simulation C. Aime, F. Martin Phase Sorting in One-Dimensional Near Infrared Speckle Interferometry 441 M. Haas, Ch. Leinert Speckle Spectroscopy Based on Shift-and-Add Method 447 N. Baba, M. Tabata Reconstruction of High-Resolution Astronomical Images by Monte Carlo Techniques 455 F.J. Fuentes, R. Navarro, J.J. Fuensalida, M. Nieto-Vesperinaa Proposal and Comparative Study of a Reducing Algorithm for Image Sharpening 469 Techniques J.J. Fuensalida, F. Rosa Image Sharpening Algorithm at Low Light Level. On-Line Reduction 479 F. Rosa, J.J. Fuensalida b. ASTRONOMICAL RESULTS High Angular Resolution Observations of SN1987A 491 P. Nisenson, M. Karovska, L. Koechlin, C. Papaliolios, C. Standley Speckle Observations of R R. Neri, M. Grewing Infrared Speckle Interferometric Observations of Young Low-Mass Stars: Recent 505 Results from ESO H. Zinnecker, C. Perrier, A. Chtlli Reconstructed Images of 4 Vesta 519 J. Drummond, A. Eckart, E.K. Hege Diffraction-Limited Imaging of or Orionis 527 J.C. Christou, E.K. Hege, J.C. Hebden Image Reconstruction with Noisy One-Dimensional Near Infrared Speckle Data 533 C. Leinert, M. Haas Near-Infrared Imaging of Low Mass Objects as Close Companions tc* Nearby Stars 541 D.W. McCarthy Jr., J.C. Christou, T.J. Henry Optical Parameters of the Atmosphere 553 M. Muller, G. Baier, S. Helm, G. Weigelt

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