Published March 6, 2025 | Version v1
Dataset Open

Data products from "oMEGACat. VI. Analysis of the overall kinematics of Omega Centauri in 3D: velocity dispersion, kinematic distance, anisotropy, and energy equipartition"

Creators

  • 1. ROR icon Max Planck Institute for Astronomy
  • 2. ROR icon University of Utah
  • 3. Liverpool John Moores University
  • 4. ROR icon Universidad Central de Chile
  • 5. EDMO icon University of Queensland
  • 6. ROR icon Space Telescope Science Institute
  • 7. ROR icon University of Vienna
  • 8. ROR icon Leibniz Institute for Astrophysics Potsdam
  • 9. ROR icon Osservatorio Astronomico di Padova
  • 10. ROR icon University of Padua

Description

This repository contains the data products of the publication:
Häberle et al. (2025): "oMEGACat. VI. Analysis of the overall kinematics of Omega Centauri in 3D: velocity dispersion, kinematic distance, anisotropy, and energy equipartition"

A detailed description of the data products and their creation is given in the accompanying paper.
Please cite the paper when using this work.

The data products include:

  • An IPython notebook containing examples of how to load and plot the data products
  • Proper motion dispersion profiles (combined, radial, tangential) using different binning schemes
  • Line-of-sight velocity profiles (rotation, dispersion, position angle)
  • Kinematic maps
  • Proper motion dispersion profiles split into 9 mass bins which can be used to reproduce the energy equipartition analysis
  • A set of photometric, astrometric and spectroscopic quality selections that can be applied to the oMEGACat catalogs to obtain the high-quality sample that we have used for the kinematic analysis.

All data files are provided as .fits tables and as machine-readable (mrt) ASCII files.

The kinematic information published here was obtained using the catalogs created by the oMEGACat collaboration (see Nitschai et al. 2023; Häberle et al. 2024).

In case of any questions, feel free to contact us using haeberle@mpia.de

Files

data_products_demonstration_and_test.ipynb

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