News and Updates

New release of stacked reduced images and source lists for the VST Public Survey ATLAS

Published: 16 Sep 2015

New data products resulting from the ESO/VST Public Survey ATLAS are now available via the dedicated Phase 3 query interface at the ESO Science Archive Facility.

This second data release of ATLAS covers all the data collected from the start of observations in August 2011, through to end September 2013.


New release of the archive data download shell script

Published: 16 Sep 2015

In order to improve security, we have implemented a small change in the use of the download shell script (e.g. downloadRequestXXXXXXscript.sh) attached to any complete archive data requests. The shell script is accessible once logged in at the following link:


New Data Release of VVV Photometric Catalogues via the ESO Science Archive Facility

Published: 21 Aug 2015

New Data Release of VVV Photometric Catalogues via the ESO Science Archive Facility

VVV belongs to the suite of six public surveys being conducted at ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA). The VISTA Variables in the Via Lactea Survey (VVV) is a wide area (562 sq.degrees), near-infrared, multi-epoch imaging survey of the Milky Way bulge and disk. The initial survey in the five broadband filters Z, Y, J, H, Ks is followed by extensive multi-epoch observations in the Ks band.


New Release of PESSTO public survey data

Published: 06 Aug 2015

New reduced data (spectra and images) resulting from the PESSTO Public Spectroscopic Survey are now available via the dedicated Phase 3 query interface at the ESO Science Archive Facility.

This release number 3 includes the EFOSC2 and SOFI spectra (1728 spectra in total) and the reduced SOFI images (392 images) obtained during the first two years (April 2012-April 2014) of PESSTO operations, for a total of 681 distinct transient objects. Also included in this release is the PESSTO Transient Catalogue, a catalogue of all PESSTO sources for which a meaningful spectral classification has been obtained so far (556 sources).

Furthermore, for the first time PESSTO photometric light curves are made available; this initial release of the PESSTO multi-epoch photometric catalogue provides light curves for 18 objects.

The PESSTO public survey data release (#3) is accompanied by a comprehensive description of spectra, images, and of the transient catalogue. A dedicated description of the lightcurve catalogue is also available. Instructions on how to read or display data in the ESO/SDP tabular data format can be found in the 1D spectrum data format help page.


First release of the band merged catalogue for the VST Photometric H-alpha Survey of the Southern Galactic Plane (VPHAS+)

Published: 30 Jul 2015

The first band- and field-merged science catalogue created from the imaging data obtained by the VST Photometric Ha Survey of the Southern Galactic Plane and Bulge (VPHAS+) has been released and it is available from the for download via the ESO Catalogue Facility. The catalogue is derived from the calibrated images that have been released as part of the VPHASplus/DR2 collection. It covers the first 21 months of data-taking (28/12/2011 through 30/09/2013), in which 24% of the survey footprint (629 sqaure degree) has been observed to sufficient quality. These observations were taken under ESO programme 177.D-3023(B,C,D,E).


New Release of Gaia-ESO Spectroscopic Public Survey Data

Published: 22 Jul 2015

New reduced data products resulting from the Gaia-ESO Public Spectroscopic Survey are now available via the dedicated Phase 3 query interface at the ESO Science Archive Facility.

The present data release includes wavelength calibrated 1-dimensional spectra of point-like sources obtained with FLAMES from 31.12.2011 to 31.12.2013 under ESO program ID 188.B-3002, as well as a catalogue containing photometry and derived quantities (radial velocities, astrophysical parameters, lithium line strength, Hα emission) for a fraction of the stars for which spectra are delivered.

The total number of submitted data files is 27359 comprising spectra of 14947 unique targets. The Gaia-ESO public survey data release is accompanied by a comprehensive description. Instructions on how to read or display data in the ESO/SDP tabular data format can be found in the 1D spectrum data format help page.


Processed calibration files for VLT instruments now available in ESO Archive

Published: 20 Jul 2015

The ESO Science Archive Facility has distributed raw calibration files such as bias frames and flat field frames for many years. As an additional service, we now are also distributing certified, processed and co-added calibration frames that can directly be used for science processing without having to run the entire data reduction chain. Processed calibrations are certified for quality and typically become available two-three working days after being acquired at the telescope to allow for such a certification. The certification process also applies to the raw calibration files and, e.g., ESOReflex data reduction workflows can be used to customize the generation of the processed and co-added calibration frames and to apply them to the science files.


New user guide describing the reduced data products accessible via the ESO Science Archive Facility published

Published: 18 May 2015

The Archive Science group has now published a user guide with the description of the reduced data product types that can be browsed and downloaded from the dedicated Phase 3 query forms of the ESO SAF. The user guide contains an overview of the data types, a description of their reduction/calibration levels and instructions on how to browse and access these products.


Release of GIRAFFE Medusa science data products

Published: 12 May 2015

All spectra obtained with the spectrograph FLAMES/GIRAFFE in the MEDUSA mode from June 2005 till December 2014 are now published via the ESO archive as reduced data. The extracted, wavelength calibrated, one-dimensional spectra are in tabular FITS format, see the ESO science data products standard for a description of the data format and metadata information. Their wavelength scale is in the heliocentric reference system. All 1D-spectra come with error estimates and signal-to-noise ratio per wavelength bin. There are a number of files associated at download time to each spectrum, including sky spectra when available. The GIRAFFE_MEDUSA data collection will grow with time, with new reduced spectra being added with monthly cadence. FLAMES GIRAFFE spectra acquired before June 2005 will also soon be added to the collection. The 1D spectra tagged "GIRAFFE_MEDUSA", can be queried and downloaded using the Phase 3 generic query form that provides access to all Phase 3 data or the Phase 3 query form dedicated to spectral data with query parameters suited to harvest spectral data.


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