Important ESO Sites Contact Addresses

Site Address Phone Fax Coordinates Travel Info Phone Book Email
Headquarters
ESO Headquarters, located in Garching, near Munich (Germany), is the scientific, technical and administrative centre of the organisation.
ESO Headquarters
Karl-Schwarzschild-Str. 2
85748 Garching bei München
Germany
+49 89 32006 0 +49 89 3202362 48° 15' 36.90" N
11° 40' 15.16" E
Travel info Phone book information@eso.org
Santiago Office
The ESO offices in Chile are located in the Vitacura district in Santiago, hosting astronomers, technicians and administrative staff.
ESO Vitacura
Alonso de Córdova 3107
Vitacura, Casilla 19001
Santiago de Chile
Chile
+56 2 2463 3000 +56 2 2463 3101 33° 23' 57.79" S
70° 36' 0.49" W
Travel info Phone book contacto@eso.org
Guesthouse
The ESO Guesthouse is the official lodge for visiting astronomers and ESO staff travelling between Europe and ESO sites.
ESO Guesthouse
Rey Gustavo Adolfo N° 4634
Las Condes - Santiago
Chile
+56 2 2208 4254 / 2207 9785 / 2206 5353 / 2207 3251 +56 2 2228 9333 33° 25' 12.29" S
70° 34' 38.26" W
Travel info guesthou@eso.org
La Silla Observatory
ESO’s La Silla Observatory, 600 km north of Santiago de Chile, is a frontline astronomical facility with medium-sized and small optical telescopes, including the most successful exoplanet hunter, HARPS.
ESO La Silla Observatory
IV Región
Chile
+56 2 2464  4100 +56 2 2464 4101 29° 15' 40.2" S,
70° 43' 52.8" W
Travel info Phone book lasilla@eso.org
La Serena Office
The ESO Office in La Serena is an administrative point that supports the operation of the La Silla Observatory and serves as connection between La Silla and the rest of the ESO sites in Chile.

ESO La Serena Office
Avenida Panorámica, N° 4461
Sector Aeroparque La Florida
Casilla 567
La Serena
Chile

+56 51 2 272 601 +56 51 2 215 175 29° 55' 16.35" S 71° 12' 42" W Travel info  
Paranal Observatory
Paranal Observatory, 130 km south of Antofagasta in Chile, is the flagship facility of ESO equipped with an array of four 8.2-metre telescopes, four auxiliary telescopes for interferometry and a survey telescope.
ESO Paranal Observatory
II Región
Chile
+56 55 2435 100 +56 55 2435 101 24° 40' S,
70° 25' W
Travel info Phone book paranal@eso.org
ESO Antofagasta Office
The ESO Office in Antofagasta is an administrative point that supports the operation of Paranal Observatory and serves as a connection between Paranal and the rest of the ESO sites in Chile.
ESO Antofagasta Office
Avenida Balmaceda 2536, Office 504
Edificio "Don Guillermo"
Antofagasta
Chile
+56 55 2260 032 +56 55 2260 081 23° 38' 44.85" S
70° 24' 0.76" W
Travel info    
ALMA Santiago Central Offices (SCO) ALMA Santiago Central Offices
Alonso de Córdova 3107, Vitacura
Casilla 763 0355
Santiago
Chile
+56 2 2467 6100 +56 2 2467 6101 33° 24' 1.94" S
70° 35' 58.39" W
Travel info   recepstg@alma.cl
ALMA Operations Support Facility (OSF)
The ALMA Operations Support Facility, at an altitude of 2900 metres in the Chilean Andes, will serve as the focal point for the ALMA operations. Antennas are assembled here before being moved to the Array Operations Site at 5000 metres altitude.
ALMA Operations Support Facility
Kilómetro 121 Carretera CH 23
San Pedro de Atacama
Chile
+56 2 2467 6416   23° 4' 23.11" S
67° 58' 51.43" W
Travel info Phone book  
ALMA Array Operations Site (AOS)
The ALMA Array Operations Site, at an altitude of 5000 metres in the Chilean Andes, houses the ALMA antennas and the correlator, the fastest data processing system ever used at an astronomical site.
ALMA Array Operations Site
II Región
Chile
    23° 1' 23.5" S, 67° 45' 16.7" W Travel info Phone book  
Rutherford Appleton Laboratory
ALMA Project EU FEIC

ALMA Project EU FEIC
Building R25, 2 - 38
Rutherford Appleton Laboratory
Harwell Science & Innovation Campus
Didcot , Oxon, OX11 0QX, UK
+44 0 123 544 5000 +44 0 123 544 5808 51° 34' 22.5" N, 1° 18' 33.3" W Travel info    
APEX Sequitor Base
The APEX Sequitor Base, located nearby San Pedro de Atacama in Chile, is the workplace of the astronomers and support staff running APEX, the Atacama Pathfinder Experiment.
APEX Sequitor Base
Ayllo de Sequitor, Parcela 85
San Pedro de Atacama
II Region
Chile
+56 2 25950 800 / ext. 448 228 +56 2 25950 800 / ext. 221 22° 54' 31.35" S 68° 11' 58.98" W Travel info Phone book apex@apex-telescope.org
APEX Chajnantor Site
APEX, the Atacama Pathfinder Experiment, is a 12-metre diameter antenna observing the Universe at millimetre and submillimetre wavelengths located at an altitude of 5100 metres, on the Chajnantor plateau, in Chile’s Atacama region.
APEX Chajnantor Site
II Región
Chile
+56 2 25950800 / ext. 299   23° 0' 21" S,
67° 45' 32" W
Travel info Phone book apex@apex-telescope.org

Storage Hall in Hochbrück Storage Hall in Hochbrück
Dieselstrasse 20
85748 Garching Hochbrück
Germany
+49 89 3218 6642   48°15'14.04"N
11°37'25.96"E