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Arkadiusz Hypki

Researcher at Polish Academy of Sciences

Publications -  31
Citations -  1758

Arkadiusz Hypki is an academic researcher from Polish Academy of Sciences. The author has contributed to research in topics: Globular cluster & Star cluster. The author has an hindex of 13, co-authored 31 publications receiving 1452 citations. Previous affiliations of Arkadiusz Hypki include Leiden University & Adam Mickiewicz University in Poznań.

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Gaia Data Release 2: Observational Hertzsprung-Russell diagrams

C. Babusiaux, +451 more
TL;DR: In this article, the power of the Gaia DR2 in studying many fine structures of the Hertzsprung-Russell diagram (HRD) was highlighted, depending in particular on stellar population selections.
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MOCCA code for star cluster simulations – IV. A new scenario for intermediate mass black hole formation in globular clusters

TL;DR: In this article, a new scenario for the formation of intermediate mass black holes (IMBHs) in dense star clusters is discussed, where the IMBH is formed as a result of dynamical interactions of hard binaries containing a stellar-mass black hole (BH), with other stars and binaries.
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MOCCA code for star cluster simulations II: comparison with n-body simulations

TL;DR: In this article, the authors describe a major upgrade of a Monte Carlo code which has previously been used for many studies of dense star clusters, and outline the steps needed in order to calibrate the results of the new MOCCA code against N -body simulations for large N systems, up to N = 200000.
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mocca code for star cluster simulations – I. Blue stragglers, first results

TL;DR: It is shown that the MOCCA code is able to follow the evolution of BSS with details, a suitable tool to perform full scale evolution of real star clusters and detail comparison with observations of exotic star cluster objects like BSS.
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Gaia Data Release 1. Open cluster astrometry: performance, limitations, and future prospects

F. van Leeuwen, +590 more
TL;DR: The first Gaia Data Release contains the Tycho-Gaia Astrometric Solution (TGAS) component by means of the astrometric data for open clusters as mentioned in this paper, which is a subset of about 2 million stars for which, besides the position and photometry, the proper motion and parallax are calculated using Hipparcos and Tycho 2 positions in 1991.