Search for the evolutionary relationship between Galactic globular and open clusters using data from the Gaia DR2 Catalog

Abstract

Passing through the Galactic disk, a massive object such as a globular cluster, can trigger star formation process leading to the birth of open clusters. Here, we analyze such possible evolutionary relationship between globular and open clusters. To search for the closest rapprochement between objects we computed backwards the orbits of 150 Galactic globular and 232 open clusters (younger than 100 Myr) with proper motions, derived from the Gaia DR2 Catalog. The orbits were computed using the recently modified three-component (disk, bulge and halo) axisymmetric Navarro-Frenk-White potential, which was complemented by non-axisymmetric bar and spiral density wave potentials. We obtained a new estimate for the frequency of impacts of globular clusters about the Galactic disk, which is equal to 4 events for 1 million years. In the framework of the considered scenario, we highlight the following nine pairs of globular and open clusters, with rapprochement within 1 kpc at the time of the intersection the Galactic disk by a globular cluster for the latest 100 Myr: NGC 104 - Turner 3, NGC 104 - NGC 6396, NGC 104 - Ruprecht 127, NGC 5139 - Trumpler 17, NGC 5139 - NGC 6520, NGC 6341 - NGC 6613, NGC 6838 - NGC 6520, NGC 7078 - NGC 7063, NGC 6760 - Ruprecht 127.

9 pages, 3 Figures, 4 Tables, accepted in MNRAS, 2019

References in corpus (11)

• A Gaia DR2 view of the Open Cluster population in the Milky Way
• Milky Way Cepheid Standards for Measuring Cosmic Distances and Application to Gaia DR2: Implications for the Hubble Constant
• A catalogue of masses, structural parameters and velocity dispersion profiles of 112 Milky Way globular clusters
• Evidence for a systematic offset of -80 micro-arcseconds in the Gaia DR2 parallaxes
• Proper motions and dynamics of the Milky Way globular cluster system from Gaia DR2
• Confirmation of the $Gaia$ DR2 parallax zero-point offset using asteroseismology and spectroscopy in the $Kepler$ field
• On the structure of tidal tails
• On the kinematic evolution of young local associations and the Sco-Cen complex
• A comprehensive study of 94 open clusters based on the data from IPHAS, GAIA DR2, and other sky surveys
• A Search for a Globular Cluster whose Passage through the Galactic Disk Could Induce the Formation of the Gould Belt
• Search for possibly evolutionary linked globular and open clusters

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