The APOGEE-2 Survey of the Orion Star Forming Complex II: Six-dimensional structure

@article{Kounkel2018TheAS,
  title={The APOGEE-2 Survey of the Orion Star Forming Complex II: Six-dimensional structure},
  author={M. Kounkel and K. Covey and Genaro Su'arez and C. Rom'an-Z'uniga and Jes{\'u}s Hern{\'a}ndez and K. Stassun and Karl O. Jaehnig and E. Feigelson and K. P. Ram'irez and A. Roman-Lopes and N. D. Rio and G. Stringfellow and J. Kim and J. Borissova and J. Fern'andez-Trincado and A. Burgasser and D. A. Garc'ia-Hern'andez and O. Zamora and K. Pan and C. Nitschelm},
  journal={arXiv: Solar and Stellar Astrophysics},
  year={2018}
}
We present an analysis of spectrosopic and astrometric data from APOGEE-2 and Gaia DR2 to identify structures towards the Orion Complex. By applying a hierarchical clustering algorithm to the 6-dimensional stellar data, we identify spatially and/or kinematically distinct groups of young stellar objects with ages ranging from 1 to 12 Myr. We also investigate the star forming history within the Orion Complex, and identify peculiar sub-clusters. With this method we reconstruct the older… Expand
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Stellar Proper Motions in the Orion Nebula Cluster.
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