Abstract Details

Name: Vikrant Jadhav
Affiliation: Indian Institute of Astrophysics, Indian Institute of Science
Conference ID: ASI2021_374
Title : A Catalogue of Galactic Blue Stragglers in Gaia EDR3
Authors and Co-Authors : Vikrant Jadhav (IIA), Annapurni Subramaniam (IIA)
Abstract Type : Poster
Abstract Category : Stars, ISM and Galaxy
Abstract : Blue stragglers are the most massive stars in clusters which are products of binary/multiple stellar interactions. Due to their peculiar position in the colour-magnitude diagram, proper motion membership is needed for their confirmation. We used Gaia EDR3 astrometric and photometric data to identify and classify blue stragglers in open clusters. Approximately 2000 blue straggler candidates are identified in more than 300 open clusters with ages ranging from 100 Myr to 7 Gyr. Additionally, we have also created the first catalogue of yellow stragglers, which are evolved from blue stragglers. A homogeneous catalogue of blue and yellow stragglers can shed light on the binary evolution mechanisms in clusters with various age and density.