Detection of a Nearby Halo Debris Stream in the WISE and 2MASS Surveys

Abstract

Combining the Wide-Field Infrared Survey Explorer All-Sky Release with the 2MASS Point Source Catalog, we detect a nearby, moderately metal-poor stellar debris stream spanning 24 degrees across the southern sky. The stream, which we designate Alpheus, is at an estimated distance of ~1.9 kpc. Its position, orientation, width, estimated metallicity, and to some extent its distance, are in approximate agreement with what one might expect of the leading tidal tail of the southern globular cluster NGC 288.

8 pages, 4 figures, accepted for publication in the Astrophysical Journal Letters

References in corpus (8)

• The ACS Nearby Galaxy Survey Treasury IX. Constraining asymptotic giant branch evolution with old metal-poor galaxies
• Detection of a 63 Degree Cold Stellar Stream in the Sloan Digital Sky Survey
• A 22 Degree Tidal Tail for Palomar 5
• The Pal 5 Star Stream Gaps
• A Cold Milky Way Stellar Stream in the Direction of Triangulum
• Gaps in the GD-1 Star Stream
• An Orbit Fit for the Grillmair Dionatos Cold Stellar Stream
• Kinematic Discovery of a Stellar Stream located in Pisces

Cited by in corpus (22)

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• A Synoptic Map of Halo Substructures from the Pan-STARRS1 3π Survey
• Stellar Streams and Clouds in the Galactic Halo
• galstreams: A Library of Milky Way Stellar Stream Footprints and Tracks
• Fourteen candidate RR Lyrae star streams in the inner Galaxy
• Serendipitous Discovery of a Thin Stellar Stream near the Galactic Bulge in the Pan-STARRS1 3Pi Survey
• Spectroscopic Signatures of Extra-Tidal Stars Around the Globular Clusters NGC 6656 (M22), NGC 3201 and NGC 1851 from RAVE
• The Milky Way's stellar streams and globular clusters do not align in a Vast Polar Structure
• Two New Halo Debris Streams in the Sloan Digital Sky Survey
• Hunting The Most Distant Stars in the Milky Way: Methods and Initial Results
• The effect of primordial mass segregation on the size scale of globular clusters
• Galactic orbital motions of star clusters: static versus semicosmological time-dependent Galactic potentials
• Tidal stripping stellar substructures around four metal-poor globular clusters in the Galactic bulge
• Gaps in stellar streams as a result of globular cluster fly-bys
• RR Lyrae Stars In Stellar Streams with Gaia: The Escapers
• An Orbit Fit to Likely Hermus Stream Stars
• A New Tidal Stream Discovered in Gaia DR3
• The mass and redshift dependence of halo star clustering
• Identification of a dwarf galaxy stream in Gaia, and its possible association with the VPOS structure
• Globular Cluster Streams as Galactic High-Precision Scales