The HST large programme on $ω$ Centauri - II. internal kinematics

  title={The HST large programme on \$$\omega$\$ Centauri - II. internal kinematics},
  author={Andrea Bellini and Mattia Libralato and Luigi R. Bedin and Antonino P. Milone and Roeland van der Marel and Jl Anderson and D. Apai and Adam J. Burgasser and Anna F. Marino and J. M. Rees STScI and INAF-OApd and UniPD and Jhu and Astron. Dept. and The University of Arizona Lunar and Planetary Obs and The University of Arizona and Ucsd and Australian National University},
  journal={The Astrophysical Journal},
NASA [NAS 5-26555]; STScI [GO-14118]; European Research Council through ERC-StG [716082]; Space Telescope Science Institute under U.S. Government [NAG W-2166]; U.S. Government grant [NAG W-2166] 
The HST Large Programme on ω Centauri. III. Absolute Proper Motion
STScI grants [GO-14118, 14662]; Chilean BASAL Centro de Excelencia en Astrofisica y Tecnologias Afines (CATA) grant [PFB-06/2007]; Centre national d'etudes spatiale (CNES) [0101973]; UTINAM InstituteExpand
The HST large programme on ω Centauri – IV. Catalogue of two external fields
In the fourth paper of this series, we present –and publicly release– the state-of-the-art catalogue and atlases for the two remaining parallel fields observed with the Hubble Space Telescope for theExpand
Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Cluster. VI. Improved Data Reduction and Internal-kinematic Analysis of NGC 362
We present an improved data-reduction technique to obtain high-precision proper motions (PMs) of globular clusters using Hubble Space Telescope data. The new reduction is superior to the oneExpand
Extending Gaia  DR2 with HST  narrow-field astrometry – II. Refining the method on WISE J163940.83−684738.6★
In the second paper of this series we perfected our method of linking high precision Hubble Space Telescope astrometry to the high-accuracy Gaia DR2 absolute reference system to overcome theExpand
The HST large programme on NGC 6752 – III. Detection of the peak of the white dwarf luminosity function
We report on the white dwarf (WD) cooling sequence of the old globular cluster NGC 6752, which is chemically complex and hosts a blue horizontal branch. This is one of the last globular cluster WDExpand
Extending Gaia DR2 with HST narrow-field astrometry: the WISE J154151.65−225024.9 test case
One field containing WISE J154151.65-225024.9 was observed by Hubble Space Telescope at three different epochs taken in ~5 yrs. We measured positions of sources in all images and successfully linkedExpand
The WAGGS project-III. Discrepant mass-to-light ratios of Galactic globular clusters at high metallicity
Observed mass-to-light ratios (M/L) of metal-rich globular clusters (GCs) disagree with theoretical predictions. This discrepancy is of fundamental importance since stellar population models provideExpand
The proper motion of sub-populations in ω Centauri
The galactic globular cluster Omega Centauri is the most massive of its kind, with a complex mix of multiple stellar populations and several kinematic and dynamical peculiarities. Different meanExpand
A Deep View into the Nucleus of the Sagittarius Dwarf Spheroidal Galaxy with MUSE. II. Kinematic Characterization of the Stellar Populations
The Sagittarius dwarf spheroidal galaxy (Sgr dSph) is in an advanced stage of disruption but still hosts its nuclear star cluster (NSC), M54, at its center. In this paper, we present a detailedExpand
Thirteen facts that you need to know on multiple populations in globular clusters
  • A. Milone
  • Physics
  • Proceedings of the International Astronomical Union
  • 2019
Abstract I review the methods, mostly developed in the last decade, that are commonly used to identify and characterize multiple populations (MPs) in Globular Clusters (GCs) based on photometry. IExpand


The HST large programme on omega Centauri - I. Multiple stellar populations at the bottom of the main sequence probed in NIR-Optical
NASA [NAS 5-26555, GO-14118, GO-14662]; Australian Research Council through Discovery Early Career Researcher Awards [DE150101816, DE160100851]; NASA through a grant from the Space Telescope ScienceExpand
A Physical Model-based Correction for Charge Traps in the Hubble Space Telescope’s Wide Field Camera 3 Near-IR Detector and Its Applications to Transiting Exoplanets and Brown Dwarfs
NASA Earth and Space Science Fellowship Program [NNX16AP54H]; Technology Research Initiative Fund (TRIF) Imaging Fellowship, University of Arizona; National Aeronautics and Space AdministrationExpand
Deep FORS1 Observations of the Double Main Sequence of ω Centauri
We present the results of a deep photometric survey performed with the VLT FORS1 aimed at investigating the complex main-sequence structure of the stellar system ω Centauri. We confirm the presenceExpand
Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. I. Sample Selection, Data Reduction and NGC 7078 Results
We present the first study of high-precision internal proper motions (PMs) in a large sample of globular clusters, based on Hubble Space Telescope (HST) data obtained over the past decade with theExpand
The State-of-the-Art HST Astro-Photometric Analysis of the core of $\omega$ Centauri. I. The Catalog
We have constructed the most-comprehensive catalog of photometry and proper motions ever assembled for a globular cluster (GC). The core of $\omega$Cen has been imaged over 650 times through WFC3'sExpand
New Limits on an Intermediate Mass Black Hole in Omega Centauri: I. Hubble Space Telescope Photometry and Proper Motions
We analyze data from the Hubble Space Telescope's (HST) Advanced Camera for Surveys of the globular cluster (GC) Omega Cen. We construct a photometric catalog of 1.2 × 106 stars over a 10' × 10'Expand
The Multiple Stellar Populations in Omega Centauri
In this contribution I am going to present some preliminary results of a high-resolution spectroscopic campaign focussed on the most metal rich red giant stars in Omega Cen. This study is part of aExpand
We used archival multi-band Hubble Space Telescope observations obtained with the Wide Field Camera 3 in the UV-optical channel to present important new observational findings on the color-magnitudeExpand
Hubble Space Telescope Proper Motion (HSTPROMO) Catalogs of Galactic Globular Clusters. V. The rapid rotation of 47 Tuc traced and modeled in three dimensions
High-precision proper motions of the globular cluster 47 Tuc have allowed us to measure for the first time the cluster rotation in the plane of the sky and the velocity anisotropy profile from theExpand
Discrete dynamical models of ω Centauri
We present a new framework for modelling discrete kinematic data. Current techniques typically involve binning. Our approach works directly with the discrete data and uses maximum-likelihood methodsExpand