Spectroscopic binaries in Gaia-ESO, Gaia and 4MOST surveys

Merle, Thibault (author), Traven, Gregor (author), Van der Swaelmen, Mathieu (author), Van Eck, S. (author), Jorissen, Alain (author), Desuter, J. (author), Dorsch, M. (author), Van de Steene, G. (author)

The properties of binary stars are fundamental for understanding star formation and evolution. Spectroscopic binaries (SB) are genuine binaries that probe short to intermediate orbital periods, shedding light on various stellar evolution pathways. We share recent findings from the ▫$Gaia$▫-ESO Survey regarding stellar multiplicity from a statistical point of view. Additionally, we present the binary content of ▫$Gaia$▫ DR3 and compare ▫$Gaia$▫ NSS SB with the SB9 reference catalogue of spectroscopic orbits. Finally, we provide insights into the detectability of SB within the context of other large spectroscopic surveys, such as 4MOST, which is set to begin operations next year.

• Language: English
• Keywords: astronomy, spectroscopic binaries, large spectroscopic surveys
• Work type: Article
• Typology: 1.01 - Original Scientific Article
• Organization: FMF - Faculty of Mathematics and Physics
• Publication status: Published
• Publication version: Version of Record
• Year: 2025
• Number of pages: Str. 405-411
• Numbering: Vol. 55, no. 3
• PID: 20.500.12556/RUL-182729
• UDC: 524
• ISSN on article: 1336-0337
• DOI: 10.31577/caosp.2025.55.3.405
• COBISS.SI-ID: 278664451
• Publication date in RUL: 21.05.2026

Record is a part of a journal

• Title: Contributions of the Astronomical Observatory Skalnaté Pleso
• Shortened title: Contrib. Astron. Obs. Skaln. Pleso
• Publisher: Astronomical Institute of the Slovak Academy of Sciences
• ISSN: 1336-0337
• COBISS.SI-ID: 910209

Licences

• License: CC BY 4.0, Creative Commons Attribution 4.0 International
• Link: http://creativecommons.org/licenses/by/4.0/
• Description: This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

• Language: Slovenian
• Keywords: astronomija, spektroskopske dvojne zvezde, spektroskopski pregledi neba

Projects

• Funder: ARIS - Slovenian Research and Innovation Agency
• Project number: P1-0188
• Name: Astrofizika in fizika atmosfere

• Funder: Other - Other funder or multiple funders
• Funding programme: European Space Agency
• Project number: 4000143450
• Name: /