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FEELING THE PULL: A STUDY OF NATURAL GALACTIC ACCELEROMETERS. I. PHOTOMETRY OF THE DELICATE STELLAR STREAM OF THE PALOMAR 5 GLOBULAR CLUSTER

  • Authors: Rodrigo A. Ibata, Geraint F. Lewis, and Nicolas F. Martin

2016 The Astrophysical Journal 819 1.

  • Provider: AAS Journals

Caption: Figure 3.

Comparison of the CFHT (blue) and KPNO (red) survey fields. To help in understanding the orbit of this stream through the Milky Way, we have superposed a ﹩5^\circ \times 5^\circ ﹩ grid in Galactic coordinates (dashed lines). Note that the ﹩l=0^\circ ﹩ Galactic minor axis (which is shown with the continuous black line), passes very close to Palomar 5 and is almost perpendicular to the stellar stream, implying that the structure is aligned roughly parallel to the Galactic disk, albeit at a high Galactic latitude of ﹩45^\circ ﹩.

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