Important ESO Sites Contact Addresses

Please find below a list of the most important ESO contact addresses in Germany and Chile. If you are looking for telephone numbers or email addresses of individual ESO staff members please have a look at http://www.eso.org/bin/getphone. General requests about ESO can also be sent via email to ESO's Public Affairs Department.

Site Address Phone Fax Coordinates Travel Info Phone Book
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
Available Available
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 19
Chile
+56 2 463 3100 +56 2 463 3101 33° 23' 57.79" S
70° 36' 0.49" W
Available Available
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 2 208 4254 / 207 9785 +56 2 228 9333 33° 25' 12.29" S
70° 34' 38.26" W
Available
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 2 464  4100 +56 2 464 4101 29° 15' 40.2" S,
70° 43' 52.8" W
Available Available
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 51 272 601 +56 51 215 175 29° 55' 16.35" S 71° 12' 42" W Available
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 55 435 100 +56 55 435 101 24° 40' S,
70° 25' W
Available Available
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 55 260 032 +56 55 260 081 23° 38' 44.85" S
70° 24' 0.76" W
Available
ALMA Santiago Central Offices (SCO) ALMA Santiago Central Offices
Alonso de Córdova 3107, Vitacura
Casilla 763 0355
Santiago
Chile
+56 2 467 6100 +56 2 467 6101 33° 24' 1.94" S
70° 35' 58.39" W
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 55 448 416 +56 55 448 481 23° 4' 23.11" S
67° 58' 51.43" W
Available Available
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 Available
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 Available
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 55 448 200 / 448 228 +56 55 448 221 22° 54' 31.35" S 68° 11' 58.98" W Available Available
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 55 448 299 23° 0' 21" S,
67° 45' 32" W
Available Available
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