OGS Installing Graz

ASA OGS in ÖAW Graz

The ASA OGS has landed in Graz (Austria) on the ÖAW building. After 80 min the AZ800 f6 RC and dome have been ready to work.

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ASA OGS in ÖAW Graz

This OGS was the result of an design process

between the customer (IQOQI) and ASA.

The requirements include a mobile usage and a transportation with an helicopter. The result was the ASA OGS 800. It fits into a 20 ft (6 m) container. The realizations of this project we uas a baseline for the ASAEYE.

Inside a ASA AZ800 for QKD
Special optic design AZ800 f6, main mirror f2
Mobile solution for QKD terminal with adaptive optics(AO)
Test station for Satellite laser ranging SLR (ÖAW-IWF Graz)

ASA Impressions

AGA OGS installation in Austria

AGA OGS installation in Graz (Austria)

ASA OGS GRAZ

ASA OGS ready to start

ASA OGS GRAZ

Products in use

ASA AZ800 f6.85

A high-end complete telescope system with 0,8m aperture

Optical design: Ritchey-Chrétien RC
Linear central obstruction: 41%
Focus position: Nasmyth 2 as standard, 4 as option
Focal length: 5480mm
Focal ratio system: f6.85
Clear Aperture / Focal Ratio Primary Mirror: 800mm (31,5 inch) / f2.5
Image field: 120mm (1.25 degrees)
Mirror material: Fused silica
Surface quality: >94 strehl
Microroughness: 1nm RMS / <0.7nm Ra
Coating: Al+SiO2 >96 %
Back Focus from flange: 252.7mm
Weight tube: 800 kg (1763.7 lbs)
Azimuth / alitude range of motion: 680 degree / 5-90 degree
Software: ASA API (application programming interface) available autumn 2023 ASA Software(Autoslew, Sequence-windows based) with ASCOM-Alpaca
Max. slew speeds: Up to 50 degrees per second
Pointing Accuracy (20° to 85°): <8” RMS with pointing model
Tracking Accuracy (20° to 85°): <0,25” RMS within 5 minutes tracking time over 5 min 0,05” RMS/min
System Natural Frequency: 10 Hz or greater