Exploring the reality of density substructures in the Palomar 5 stellar stream

We present an analysis of the presence of substructures in the stellar stream of the Palomar 5 globular cluster, as derived from Sloan Digital Sky Survey data. Using a matched filter technique, we recover the positions and sizes of overdensities reported in previous studies. To explore the reality o...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2016-08, Vol.460 (3), p.2711-2719
Hauptverfasser:	Thomas, Guillaume F., Ibata, R., Famaey, B., Martin, N. F., Lewis, G. F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Density Dynamical systems Globular clusters Inhomogeneities Kinematics Matched filters Sciences of the Universe Simulation Sky surveys (astronomy) Star & galaxy formation Streams Substructures
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