Search Results - "Baumgardt, H."

N -body modelling of globular clusters: masses, mass-to-light ratios and intermediate-mass black holes by Baumgardt, H

“…We have determined the masses and mass-to-light ratios of 50 Galactic globular clusters by comparing their velocity dispersion and surface brightness profiles…”
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Accurate distances to Galactic globular clusters through a combination of Gaia EDR3, HST, and literature data by Baumgardt, H, Vasiliev, E

“…ABSTRACT We have derived accurate distances to Galactic globular clusters by combining data from the Gaia Early Data Release 3 (EDR3) with distances based on…”
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A catalogue of masses, structural parameters, and velocity dispersion profiles of 112 Milky Way globular clusters by Baumgardt, H, Hilker, M

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Mean proper motions, space orbits, and velocity dispersion profiles of Galactic globular clusters derived from Gaia DR2 data by Baumgardt, H, Hilker, M, Sollima, A, Bellini, A

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The eye of Gaia on globular clusters kinematics: internal rotation by Sollima, A, Baumgardt, H, Hilker, M

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Ultra-compact dwarf galaxy formation by tidal stripping of nucleated dwarf galaxies by Pfeffer, J., Baumgardt, H.

“…Ultra-compact dwarf galaxies (UCDs) and dwarf galaxy nuclei have many common properties, such as internal velocity dispersions and colour-magnitude trends,…”
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A comprehensive set of simulations studying the influence of gas expulsion on star cluster evolution by Baumgardt, H., Kroupa, P.

“…We have carried out a large set of N-body simulations studying the effect of residual-gas expulsion on the survival rate, and final properties of star…”
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The global mass functions of 35 Galactic globular clusters – II. Clues on the initial mass function and black hole retention fraction by Baumgardt, H., Sollima, S.

“…Abstract In this paper, we compare the mass function slopes of Galactic globular clusters recently determined by Sollima & Baumgardt with a set of dedicated…”
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Evidence for a bottom-light initial mass function in massive star clusters by Baumgardt, H, Hénault-Brunet, V, Dickson, N, Sollima, A

“…ABSTRACT We have determined stellar mass functions of 120 Milky Way globular clusters and massive Large Magellanic Cloud/Small Magellanic Cloud star clusters…”
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The stellar mass function, binary content and radial structure of the open cluster Praesepe derived from PPMXL and SDSS data by Khalaj, P., Baumgardt, H.

“…We have determined possible cluster members of the nearby open cluster Praesepe (M44) based on J and K photometry and proper motions from the PPMXL catalogue…”
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Dynamical evolution of star clusters in tidal fields by Baumgardt, Holger, Makino, Junichiro

“…We report the results of a large set of N-body calculations aimed at studying the evolution of multimass star clusters in external tidal fields. Our clusters…”
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Dynamical constraints on the origin of multiple stellar populations in globular clusters by Khalaj, P., Baumgardt, H.

“…We have carried out a large grid of N-body simulations in order to investigate if mass loss as a result of primordial gas expulsion can be responsible for the…”
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Lifetimes of tidally limited star clusters with different radii by Gieles, M., Baumgardt, H.

“…We study the escape rate of stars, , from clusters with different radii on circular orbits in a tidal field using analytical predictions and direct N-body…”
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Contribution of stripped nuclear clusters to globular cluster and ultracompact dwarf galaxy populations by Pfeffer, J., Griffen, B. F., Baumgardt, H., Hilker, M.

“…We use the Millennium II cosmological simulation combined with the semi-analytic galaxy formation model of Guo et al. to predict the contribution of galactic…”
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Scaling of N-body calculations by Baumgardt, H.

“…We report results of collisional N-body simulations aimed at studying the N dependence of the dynamical evolution of star clusters. Our clusters consist of…”
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The star cluster formation history of the LMC by Baumgardt, H., Parmentier, G., Anders, P., Grebel, E. K.

“…The Large Magellanic Cloud (LMC) is one of the nearest galaxies to us and is one of only few galaxies where the star formation history can be determined from…”
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A top-heavy stellar initial mass function in starbursts as an explanation for the high mass-to-light ratios of ultra-compact dwarf galaxies by Dabringhausen, J., Kroupa, P., Baumgardt, H.

“…It has been recently shown that the dynamical V-band mass-to-light ratios of compact stellar systems with masses from 106 to 108 M⊙ are not consistent with the…”
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Multimass modelling of Milky Way globular clusters – I. Implications on their stellar initial mass function above 1 M by Dickson, N, Hénault-Brunet, V, Baumgardt, H, Gieles, M, Smith, P J

“…ABSTRACT The distribution of stars and stellar remnants (white dwarfs, neutron stars, and black holes) within globular clusters holds clues about their…”
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A wide-field view on multiple stellar populations in 28 Milky Way globular clusters by Leitinger, E, Baumgardt, H, Cabrera-Ziri, I, Hilker, M, Pancino, E

“…ABSTRACT The majority of Galactic globular clusters (GCs) contain multiple stellar populations displaying specific chemical abundance variations. In…”
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Stellar mass segregation as separating classifier between globular clusters and ultrafaint dwarf galaxies by Baumgardt, H, Faller, J, Meinhold, N, McGovern-Greco, C, Hilker, M

“…ABSTRACT We have determined the amount of stellar mass segregation in over 50 globular clusters and ultrafaint dwarf galaxy candidates based on deep HST- and…”
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