International Liquid Mirror Telescope

ILMT is a 4m class telescope project, in which several institutions from different countries are actively involved. The ILMT uses Liquid Mirror technology : the primary mirror of the telescope is a rotating container with highly-reflecting liquid in it (mercury). The surface of the spinning liquid takes the shape of a paraboloid. The ILMT is a promising instrument which can be entirely dedicated to a specific scientific project. Indeed, its low cost makes it a unique survey instrument. As liquid mirror telescopes cannot be tilted, they cannot track like conventional telescopes do. The tracking is done artificially by using a technique called time delayed integration (TDI), which uses a CCD detector that tracks by electronically stepping its pixels. The ILMT will be equipped, at its prime focus, with a time-delay-integration (TDI) corrector capable of imaging a field of 30x30 arcminutes with a resolution better than one arcsecond. The ILMT will carry out direct imagery using a 4K x 4K thinned CCD as the detector working in the TDI mode.

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Interactive service for asteroid models

Sample image:

-- to display an asteroid orientation as seen from Earth at any date
-- to generate lightcurves
-- to animate the rotation
-- 3D views
-- shape and lighting analysis.

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Poznań Observatory’s cluster

It actually consists of 27 workstations. Eleven of these are already dedicated to the ILMT project . Ten of these workstations include a 6 core AMD processor (3 GHz) , 4 GB RAM memory and four 2TB hard disk (RAID 1 mode) and will be used for storing and reducing the ILMT observational data. One of these stations works as the database server and will store all the data from the reduction pipeline. It uses a 6 core AMD processor (3GHz), 16 GB RAM memory and six 2TB hard disks (RAID 5 mode). Sixten workstations are dedicated to modeling of asteroids shape.Fifteen of these workstations include a 6 core AMD processor (3 GHz) , 2 GB RAM memory, 1 TB hard disk and GPU Nvidia Graphical cards. All workstations are connected by a 1GB network. The cluster is located in the basement of the Astronomical Observatory of the Adam Mickiewicz University.

Home page of project: Poznań Observatory’s cluster (only local network)



Secound Workshop on Binaries in the Solar System (Wąsowo/Poznań POLNAD 2010)

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