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- W4288804573 abstract "We investigate the three open clusters near Aquila Rift cloud, named as UPK 39 (texttt{c1} hereafter), UPK 41 (texttt{c2} hereafter) in Sim et al. (2019) and PHOC 39 (texttt{c3} hereafter) in Hunt & Reffert (2021), respectively. Using photometric passpands, reddening, and extinction from Gaia DR3, we construct the color-absolute-magnitude diagram (CAMD). Using isochrone fits their ages are estimated as $6.3pm0.9$, $8.1pm1.4$ and $21.8pm2.2$ Myr, respectively. Their proper motions and radial velocities, estimated using data from Gaia and LAMOST are very similar. From their orbits, relative distances among them at different times, kinematics, ages, and metallicities, we conclude that texttt{c1} and texttt{c2} are primordial binary open cluster, which are likely to have been formed at the same time, and texttt{c3} may capture texttt{c1}, texttt{c2} in the future." @default.
- W4288804573 created "2022-07-30" @default.
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- W4288804573 date "2022-07-28" @default.
- W4288804573 modified "2023-09-30" @default.
- W4288804573 title "Revisit of open clusters UPK 39, UPK 41 and PHOC 39 : a new binary open cluster found" @default.
- W4288804573 doi "https://doi.org/10.48550/arxiv.2207.14229" @default.
- W4288804573 hasPublicationYear "2022" @default.
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