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Discovery of Tidal RR Lyrae Stars in the Bulge Globular Cluster M62

  • Authors: Dante Minniti, José G. Fernández-Trincado, Vincenzo Ripepi, Javier Alonso-García, Rodrigo Contreras Ramos, and Marcella Marconi

2018 The Astrophysical Journal Letters 869 L10.

  • Provider: AAS Journals

Caption: Figure 5.

Top panel: time evolution of the vertical component of the angular momentum Lz in km s−1 kpc−1 for the M62 orbital integrations, showing that the orbit remains prograde at all times. Bottom panel: time evolution of the M62 Galactocentric distance RG in kpc for the orbital simulations with different bar pattern speeds, as labeled. The cluster gets very close to the Galactic center (RG 0.2 kpc) periodically.

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