Interferometry in the Near-Infrared: 1 Mas
Resolution at the Wavelength of 1 Micron
Weigelt, G.; Balega, Y.; Beckert, T.;
Driebe, T.; Hofmann, K.-H.; Ohnaka, K.; Preibisch, T.; Schertl, D.;
Wittkowski, M.
Exploring the Cosmic Frontier, ESO Astrophysics
Symposia European Southern Observatory, Volume . ISBN
978-3-540-39755-7. Springer, p.63 (2007)
Abstract
High-resolution interferometric imaging at optical and infrared
wavelengths provides unique information for the study of many different
classes of astronomical objects. A large number of key objects have
been resolved with unprecedented resolution using bispectrum speckle
interferometry or infrared long-baseline interferometry. IR
interferometry allows the study of, for example, disks and out- flows
of YSOs (e.g., [1]), the wavelength and phase-dependent size of evolved
stars (e.g., [2]), as well as the structure of AGN. The ESO Very Large
Telescope Interferometer with its AMBER phase-closure instrument will
enable us to achieve the spectacular resolution of 1 mas at the
wavelength of 1 micron. The science goals of AMBER include studies of
the jet structure of YSOs, the interferometric detection of extra-solar
planets as well as the resolution of tori and broad-line regions of
AGN.
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