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Orion OB1 association. I.
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M 31 new OB associations
A new identification of OB associations in M 31 has been performed using the Path Linkage Criterion technique of Battinelli (1991A&A...244...69B). We found 174 associations... -
Walraven photometry in Sco-Cen association
Walraven photometry is presented of established and probable members of the Scorpio-Centaurus OB association. For each star, effective temperature and surface gravity are... -
TEMPO. Fragmentation and emission properties
The role of massive (>=8M_{sun}) stars in defining the energy budget and chemical enrichment of the interstellar medium in their host galaxy is significant. In this first... -
Mon OB4 a new association in Gaia DR2
We use Gaia DR2 data to survey the classic Monoceros OB1 region and look for the existence of a dispersed young population, co-moving with the cloud complex. An analysis of the... -
Stars of the LMS-1 stream with sp. obs.
Stellar streams produced from dwarf galaxies provide direct evidence of the hierarchical formation of the Milky Way. Here, we present the first comprehensive study of the LMS-1... -
Gaia EDR3 trailing & leading tidal tail of M2
Using photometry and proper motions from Gaia Early Data Release 3, we detect a 45{deg} long trailing stellar debris stream associated with the old, metal- poor globular cluster...
