Welcome to the ESO Science Archive Facility
Latest News and Updates 
To browse the archive
Currently, raw data and various types of data products can be reached via different interfaces:
| Category | Access Point | Data collection | Data Type | Instruments |
|---|---|---|---|---|
| LPO Raw Data | Raw data query form (all instruments) Instrument specific query forms Direct retrieval of raw data by file name |
All ESO raw data | Various | Many La Silla Paranal instruments |
| LPO Processed Data
|
Science Portal (Processed Data) Type specific query forms (generic, spectral, imaging, VISTA) Direct retrieval of reduced data by file name |
Processed Data (ESO public surveys; ESO pipeline-reduced products; Large programs: GOODS, zCOSMOS; etc.) | Imaging, Spectroscopy, Catalogs, etc. | Various |
| Catalogue Facility query interface | Catalogues [ESO User Portal authentication required] | Catalogues | Various | |
| HARPS-Polarimetry pipeline processed data query form | HARPS-Polarimetry and calibration pipeline processed data | Spectroscopy | HARPS-Polarimetry, HARPS reduced calibrations (other HARPS see Phase3 above). FEROS is now available via the Phase 3 interfaces. |
|
| Other Advanced Data Products (available only as downloadable packages, no query form) | Various (30 Doradus, Corot, GaBoDs, etc.) |
Spectroscopy Imaging |
FEROS WFI |
|
| Science Verification, Commissioning, EIS, etc. (no query form) | Full list of available data packages | Various | Many | |
| APEX Quick Look Products | APEX query form | APEX | Heterodyne, Bolometer | ArTéMiS, CHAMP+, FLASH, LABOCA, SABOCA, SEPIA, SHFI |
| LPO Schedule | Scheduling query form Observing Periods up to P112 |
ESO Observing Programme Information and Scheduling | All La Silla Paranal instruments, including APEX, up to the end of period 112 (2024-Mar-31) | |
| Scheduling query form Observing Periods as of P113 |
ESO Observing Programme Information and Scheduling | Active Paranal and La Silla instruments, from 2024-Apr-01 onwards | ||
| ALMA Data |
ALMA Science Archive | All ALMA data | Cube | ALMA |
The ESO Science Archive Facility was developed in partnership with the Space Telescope – European Coordinating Facility (ST-ECF). It was operated jointly until the closure of the ST-ECF in December 2010.