SIMBAD references

2019ApJ...886L...7M - Astrophys. J., 886, L7-L7 (2019/November-3)

Phase-space correlation in stellar streams of the Milky Way halo: the CLASH of Kshir and GD-1.

MALHAN K., IBATA R.A., CARLBERG R.G., BELLAZZINI M., FAMAEY B. and MARTIN N.F.

Abstract (from CDS):

We report the discovery of a 70○ long stellar stream in the Milky Way halo, which criss-crosses the well known "GD-1" stream. We show that this new stellar structure ("Kshir") and GD-1 lie at similar distance, and are remarkably correlated in kinematics. We propose several explanations for the nature of this new structure and its possible association with GD-1. However, a scenario in which these two streams were accreted onto the Milky Way within the same dark matter sub-halo seems to provide a natural explanation for their phase-space entanglement, and other complexities of this coupled system.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): Globular star clusters - Dark matter - Stellar kinematics - Milky Way stellar halo

Nomenclature: NAME Kshir Stream N=1.

Simbad objects: 22

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