Spectroscopy evidence for a so far unknown young stellar cluster at the Galactic Center
arxiv(2024)
Abstract
The Nuclear Stellar Disk has been a highly active star-forming region in the
Milky Way for approximately the last 30 million years. Despite hosting
prominent clusters like Arches, Quintuplet, and Nuclear Stellar, their combined
mass is less than 10
cluster problem." Various factors, including high stellar density and tidal
forces, contribute to this absence of clusters. Traces of dissolving clusters
may exist as co-moving groups of stars, shedding light on the region's star
formation history. Our analysis, utilizing integral field spectroscopy and
astrophotometric data, reveals a group of young stellar objects in the NSD
sharing velocities and positions, potentially indicating remnants of dissolved
clusters or stellar associations. This finding contributes valuable insights
into the understanding of the missing clusters problem in the Galactic center.
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