Restoration of interferometric images. II. The case-study of the Large Binocular Telescope

Details Restoration of interferometric images. II. The case-study of the Large Binocular Telescope Restoration of interferometric images. II. The case-study of the Large Binocular Telescope

May 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002a%26a...387..744c&link_type=abstract

Astronomy and Astrophysics, v.387, p.744-757 (2002)

Physics

Optics

15

Instrumentation: Interferometers, Instrumentation: Adaptive Optics, Techniques: Interferometric, Techniques: Image Processing, Methods: Numerical, Stars: Imaging

Scientific paper

We present in this paper a study of the imaging properties of the Large Binocular Telescope interferometer, focusing our attention on what we believe to be the most relevant effects, namely the limited angular coverage and the partial adaptive optics (AO) correction. For this purpose we make use of the Software Package AIRY (Astronomical Image Restoration in interferometrY), designed for multiple deconvolution of interferometric images and presented in our previous paper. We also consider as our testing object a model of young binary star consisting of a core binary surrounded by a massive circumbinary ring seen in scattered light, similar to that of GG Tau. The effect of angular coverage, linked to the problem of time-averaging smearing of the interferometric images, is investigated for a number of cases corresponding to different declinations of the observed object. We find encouraging results showing that a good estimation of the relevant astronomical parameters of the object can be obtained even with an incomplete angular coverage. We then study the effect of partial AO-correction for both schemes of classical AO and multi-conjugate AO. We show that uniformity of the point-spread function over the field-of-view, rather than absolute global quality, is fundamental for the quality of the restored image.

Affiliated with

Also associated with

No associations

Rating

Restoration of interferometric images. II. The case-study of the Large Binocular Telescope does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Restoration of interferometric images. II. The case-study of the Large Binocular Telescope, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Restoration of interferometric images. II. The case-study of the Large Binocular Telescope will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1716927