| Issue |
A&A
Volume 454, Number 2, August I 2006
APEX Special Booklet
|
|
|---|---|---|
| Page(s) | L13 - L16 | |
| Section | Letters | |
| DOI | https://doi.org/10.1051/0004-6361:20065420 | |
| Published online | 11 July 2006 | |
Letter to the Editor
The Atacama Pathfinder EXperiment (APEX) – a new submillimeter facility for southern skies –
1
Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany e-mail: rguesten@mpifr-bonn.mpg.de
2
European Southern Observatory, Karl-Schwarzschild-Str. 2, 85748 Garching, Germany
3
Onsala Space Observatory, 43992 Onsala, Sweden
Received:
12
April
2006
Accepted:
19
April
2006
APEX, the Atacama Pathfinder EXperiment, has been successfully commissioned and is operational.
This novel submillimeter telescope is located at 5107 m altitude on Llano de Chajnantor in the Chilean
High Andes, on what is considered one of the world's outstanding sites for submillimeter astronomy.
The primary reflector with 12 m diameter has been carefully adjusted by means of holography.
Its surface smoothness of only 17–18 
m makes APEX suitable for observations up to 200 m,
through all atmospheric submm windows accessible from the ground. First scientific results will
be presented in the accompanying papers of this special issue.
Key words: telescopes / submillimeter
© ESO, 2006
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