TL;DR
This paper reviews Gaia's current and upcoming data on massive stars, highlighting its contributions to understanding stellar parameters, binaries, variability, and distribution, with expectations for DR4 in 2026.
Contribution
It provides a comprehensive overview of Gaia's current data products and anticipated improvements in DR4 related to massive stars, emphasizing new insights and future prospects.
Findings
Enhanced parameter determination for massive stars
Identification of stellar binaries and variability patterns
Mapping of stellar groups and spatial distribution
Abstract
I present some of the highlights of the Gaia mission on massive stars and discuss what the fourth data release (DR4) will bring in late 2026. In the first part of the contribution I describe the different types of Gaia products available now and for DR4 and their caveats. In the second part I present the most significant results on massive stars regarding parameter determination, binaries, photometric variability, stellar groups, and the sample and spatial distribution.
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