718 citations · 2.3k across the 18 of their papers we have counts for
18 papers
Dynamical model of Praesepe and its tidal tails
L. Weis, C. West, A. Just +5
Context. The dynamical evolution of open clusters in the tidal field of the Milky Way and the feeding of the disc field star population depend strongly on the initial conditions at…
A census of the near-by Pisces-Eridanus stellar stream -- Commonalities with and disparities from the Pleiades
Siegfried Röser, Elena Schilbach
Within a 400~pc sphere around the Sun, we search for members of the Pisces-Eridanus (Psc-Eri) stellar stream in the Gaia Data Release 2 (DR2) data set. We compare basic astrophysic…
Praesepe (NGC 2632) and its tidal tails
Siegfried Röser, Elena Schilbach
Within a 400 pc sphere around the Sun, we search for Praesepe's tidal tails in the Gaia DR2 dataset. We used a modified convergent-point method to search for stars with space veloc…
The Hyades tidal tails revealed by Gaia DR2
Siegfried Röser, Elena Schilbach, Bertrand Goldman
Within a 200 pc sphere around the Sun we search for the Hyades tidal tails in the Gaia DR2 dataset. We use a modified convergent point method to search for stars with space velocit…
Open star clusters in the Milky Way - Comparison of photometric and trigonometric distance scales based on Gaia TGAS data
Dana A. Kovaleva, Anatoly E. Piskunov, Nina V. Kharchenko +5
The global survey of star clusters in the Milky Way (MWSC) is a comprehensive list of 3061 objects that provides, among other parameters, distances to clusters based on isochrone f…
Single stars in the Hyades open cluster. Fiducial sequence for testing stellar and atmospheric models
Taisiya G. Kopytova, Wolfgang Brandner, Emanuele Tognelli +4
Age and mass determinations for isolated stellar objects remain model-dependent. While stellar interior and atmospheric theoretical models are rapidly evolving, we need a powerful…
Global survey of star clusters in the Milky Way IV. 63 new open clusters detected by proper motions
R. -D. Scholz, N. V. Kharchenko, A. E. Piskunov +2
AIMS: In their 1st extension to the Milky Way Star Clusters (MWSC) survey, Schmeja et al. applied photometric filters to the 2MASS to find new cluster candidates that were subseque…
Global survey of star clusters in the Milky Way III. 139 new open clusters at high Galactic latitudes
S. Schmeja, N. V. Kharchenko, A. E. Piskunov +4
An earlier analysis of the Milky Way Star Cluster (MWSC) catalogue revealed an apparent lack of old (> 1 Gyr) open clusters in the solar neighbourhood (< 1 kpc). To fill this gap w…
Global survey of star clusters in the Milky Way II. The catalogue of basic parameters
N. V. Kharchenko, A. E. Piskunov, E. Schilbach +2
Although they are the main constituents of the Galactic disk population, for half of the open clusters in the Milky Way reported in the literature nothing is known except the raw p…
Towards a complete stellar mass function of the Hyades. I. Pan-STARRS1 optical observations of the low-mass stellar content
B. Goldman, S. Röser, E. Schilbach +16
The Hyades cluster is an ideal target to study the dynamical evolution of a star cluster over the entire mass range due to its intermediate age and proximity to the Sun. We wanted…
Global survey of star clusters in the Milky Way I. The pipeline and fundamental parameters in the second quadrant
N. V. Kharchenko, A. E. Piskunov, E. Schilbach +2
Aims: On the basis of the PPMXL star catalogue we performed a survey of star clusters in the second quadrant of the Milky Way. Methods: From the PPMXL catalogue of positions and pr…
The evolution of luminosity, colour and the mass-to-luminosity ratio of Galactic open clusters: comparison of discrete vs. continuous IMF models
A. E. Piskunov, N. V. Kharchenko, E. Schilbach +3
(abridged) We found in previous studies that standard Simple Stellar Population (SSP) models are unable to describe or explain the colours of Galactic open clusters both in the vis…
Why Simple Stellar Population models do not reproduce the colours of Galactic open clusters
A. E. Piskunov, N. V. Kharchenko, E. Schilbach +3
(...) We search for an explanation of the disagreement between the observed integrated colours of 650 local Galactic clusters and the theoretical colours of present-day SSP models.…
The initial luminosity and mass functions of the Galactic open clusters
A. E. Piskunov, N. V. Kharchenko, E. Schilbach +3
(... abridged) The observed luminosity function can be constructed in a range of absolute integrated magnitudes mag, i.e. about 5 magnitudes deeper than in t…
Towards absolute scales of radii and masses of open clusters
A. E. Piskunov, E. Schilbach, N. V. Kharchenko +2
Aims: In this paper we derive tidal radii and masses of open clusters in the nearest kiloparsecs around the Sun. Methods: For each cluster, the mass is estimated from tidal radii d…
Population analysis of open clusters: radii and mass segregation
E. Schilbach, N. V. Kharchenko, A. E. Piskunov +2
Aims: Based on our well-determined sample of open clusters in the all-sky catalogue ASCC-2.5 we derive new linear sizes of some 600 clusters, and investigate the effect of mass seg…
109 new Galactic open clusters
N. V. Kharchenko, A. E. Piskunov, S. Röser +2
We present a list of 130 Galactic Open Clusters, found in the All-Sky Compiled Catalogue of 2.5 Million Stars (ASCC-2.5). For these clusters we determined and publish a homogeneous…
Astrophysical parameters of Galactic open clusters
N. V. Kharchenko, A. E. Piskunov, S. Röser +2
We present a catalogue of astrophysical data of 520 Galactic open clusters. These are the clusters, for which at least three most probable members (18 on average) could be identifi…