Figure 7 from Spectroscopic Observations of Obscured Populations in the Inner Galaxy: 2MASS-GC02, Terzan 4, and the 200 km s−1 stellar peak

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Spectroscopic Observations of Obscured Populations in the Inner Galaxy: 2MASS-GC02, Terzan 4, and the 200 km s⁻¹ stellar peak

Authors: Andrea Kunder, Riley E. Crabb, Victor P. Debattista, Andreas J. Koch-Hansen, and Brianna M. Huhmann

2021 The Astronomical Journal 162 86.

Provider: AAS Journals

Caption: Figure 7.

A histogram of the Galactocentric velocities of APOGEE stars at (l,b) = (5.°5,0°) (bottom) and the APOGEE+AAT stars at (l,b) = (−5.°5,0°) (top). The best-fit curve to the histogram from a k-means clustering algorithm and a GMM is overlaid. The mean and standard deviations of these distributions are given in Table 3.

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