منابع مشابه
Optical Interferometry
■ Abstract The field of optical and infrared (IR) interferometry has seen rapid technical and scientific progress over the past few years. A number of instruments capable of precise visibility measurements have been built, and closure-phase imaging with multitelescope arrays has been demonstrated. Astronomical results from these instruments include measurements of stellar diameters and their wa...
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Current optical interferometers are affected by unknown turbulent phases on each telescope. In the field of radio-interferometry, the self-calibration technique is a powerful tool to process interferometric data with missing phase information. This paper intends to revisit the application of self-calibration to Optical Long Baseline Interferometry (OLBI ). We cast rigorously the OLBI data proce...
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Progress in astronomy is dependent on the development of new instrumentation that can provide data which are better in some way than the data which were available before. One improvement that has consistently led to astronomical discoveries is that of seeing finer detail in objects. In astronomy, the majority of the objects under study cannot easily be brought closer for inspection, so the typi...
متن کاملSelf-calibration approach for optical long-baseline interferometry imaging.
Current optical interferometers are affected by unknown turbulent phases on each telescope. In the field of radio interferometry, the self-calibration technique is a powerful tool to process interferometric data with missing phase information. This paper intends to revisit the application of self-calibration to optical long-baseline interferometry (OLBI). We cast rigorously the OLBI data proces...
متن کاملGround-based Optical/Infrared Interferometry: High Resolution, High Precision Imaging
Over the past decade, optical interferometry has demonstrated that its combination of high resolution and high precision can make unique contributions to astrophysics. Interferometers have grown in aperture size, baseline length, number of apertures, and spectral resolution. At the same time, methods to circumvent the limitations of interferometry are being introduced. Further increases in sens...
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ژورنال
عنوان ژورنال: International Astronomical Union Colloquium
سال: 1991
ISSN: 0252-9211
DOI: 10.1017/s0252921100013646