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More than 1000 studies using ESO data published in 2023
28. februar 2024
For the seventh year in a row, observations conducted at ESO’s observatories have led to more than 1000 scientific publications in a year. Recently, the ESO Library, Documentation, and Information Services Department has updated their detailed statistics on publications using ESO data, presenting each facility's contributions in 2023 [1].
The most significant contributions to these publications come from ESO’s Very Large Telescope (VLT) and the VLT Interferometer (VLTI) at Paranal Observatory, which yielded data included in over 600 studies. Highlights include the detection of distant gas clouds with leftovers from the first stars in the Universe and the most distant fast radio burst to date. For the last four years, the Multi Unit Spectroscopic Explorer (MUSE) has been the most productive VLT instrument, producing data for over 200 papers in 2023 alone.
Also located at Paranal Observatory, the Visible and Infrared Telescope for Astronomy (VISTA) and the VLT Survey Telescope (VST) [2] contributed to over 120 publications. As a highlight, astronomers created an infrared atlas of five nearby stellar nurseries using the VISTA telescope. Further south, the telescopes at ESO’s La Silla Observatory contributed to approximately 185 studies; for example, an observational campaign including the New Technology Telescope (NTT), as well as other ESO telescopes, helped unravel the mystery of a mode-switching pulsar’s behaviour.
Over the year, the Atacama Large Millimeter/Submillimeter Array (ALMA), in which ESO is a partner, provided data for almost 500 papers. As in the last three years, approximately half of them (53%) used data obtained through observing time granted to astronomers based in Europe. In particular, in 2023 astronomers using ALMA detected the magnetic field of a galaxy 11 billion years away and contributed to imaging the black hole at the centre of the M87 galaxy expelling a jet.
Until December 2022, ESO was also a partner of the Atacama Pathfinder Experiment (APEX) [3], located close to ALMA on the Chajnantor plateau in Chile’s Atacama region. In 2023, observations obtained during ESO observing time at APEX contributed to 24 papers, more than half (57%) of the studies from all APEX observing time.
The number of papers that partly or exclusively used archival data has increased continuously during recent years and remained high in 2023, making up almost 45% of all publications. In particular, almost 24% of papers relied on archival data alone, without any ESO observations obtained by the authors themselves. Even data from instruments that were decommissioned years ago still actively contribute to the pool of data papers. These figures demonstrate the important legacy value of the ESO Science Archive Facility.
The impressive publication numbers described above highlight ESO’s important role in helping astronomers advance our understanding of the Universe.
Notes
[1] Papers can use data from more than one facility, therefore the total number cannot be calculated by adding all publications of the individual sites.
[2] The VST project was a joint venture between ESO and the Capodimonte Astronomical Observatory, part of the Italian National Institute for Astrophysics (INAF). As of 1 October 2022, this is a sole project of INAF, hosted by ESO at Paranal.
[3] As of 1 January 2023, ESO hosts and operates APEX on behalf of the Max Planck Institute for Radio Astronomy.
More Information
The statistics presented here are derived from the ESO Telescope Bibliography (telbib), a database of refereed papers published by the ESO users community. Telbib is developed and curated by the ESO Library, Documentation, and Information Services Department. Whilst text-mining scripts are applied when screening the literature for ESO data papers, articles are carefully examined by the curators before they are added to the database to ensure that all telbib papers use partly or exclusively data from ESO facilities for which observing time was recommended by ESO. The public telbib interface provides visualisations of search results including on-the-fly graphs and predefined charts.
Links
Kontakter
Uta Grothkopf
Head of ESO’s Library, Documentation, and Information Services Department
Garching bei München, Germany
Tel: +49 89 3200 6280
Email: uta.grothkopf@eso.org
Bárbara Ferreira
ESO Media Manager
Garching bei München, Germany
Tel: +49 89 3200 6670
Email: press@eso.org
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