ESA Gaia Science Community - Gaia

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Gaia news & highlights

2023-03-21 GaiaVari: a citizen science project to help Gaia variability classification

21 March 2023In June 2022, the Gaia consortium published the most extensive catalogue of variable sources over the entire sky as part of Gaia Data Release 3 (DR3). Around 10.5 million variable sources, with classifications into 24 different variability types, were published. The variability catalogue was obtained using machine learning methods in a...

2023-03-13 6th DPAC consortium meeting kicks off

13 March 2023Gaia's Data Processing and Analysis Consortium is responsible for the transfer of the Gaia raw data into Gaia scientific data products, made available from the Gaia archive and its partner data centres as data releases. The consortium consists of more than 450 scientists, engineers and software developers from across Europe and beyond. Due to...

2023-02-20 Gaia Archive shortly down for maintenance

20 February 2023Tomorrow, Tuesday 21 February between 11:00 and 11:30 CET, the Gaia Archive will be shortly down for maintenance.

2023-02-09 Missing mass in Albireo Ac: massive star or black hole?

9 February 2023For about 400 years, roughly since the invention of the telescope in the early 17th century, the bright star Albireo has been known to be a beautiful double. Twentieth-century astrophysics characterized the brighter orange partner (“Albireo A”) as a cool giant star of about five to six solar masses, and the fainter blue one (“Albireo B”) as a...

Gaia Newsletter #24

7 February 2023Gaia Newsletter #24 is out now.

2023-02-07 Updates to the Gaia Archive data tables

7 February 2023Today, three tables have been added to the Gaia Data Release 3 catalogue in the Gaia Archive: (1) A new table chemical_cartography was added derived from the paper "Gaia Data Release 3: Chemical cartography of the Milky Way" (2) A new table vari_spurious_signals was added derived from the paper "Gaia Data Release 3: Gaia scan-angle dependent...

2023-02-07 Graduate Trainee positions at ESA

7 February 2023The ESA graduate trainee positions for 2023 have been published, and one of them covers activities for the Gaia mission. Applications for the position "Young Graduate Trainee in Machine-Learning Techniques Application for Astrometry - Gaia" are welcome. Deadline for applications is 28 February 2023. If you have any questions on the ESA graduate...

2023-02-06 Short downtime for the Gaia Archive

6 February 2023The Gaia Archive will be shortly down on Tuesday 7 February between 10:00 and 11:00 CET for a micro data release update. More details can be found in the release notes once the Gaia Archive is back up.