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The Maybe Stream: A Possible Cold Stellar Stream in the Ultra-Diffuse Galaxy NGC1052-DF2

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arxiv 1805.00017 v1 pith:OSX7QJQC submitted 2018-04-30 astro-ph.GA

Roberto Abraham , Shany Danieli , Pieter van Dokkum , Charlie Conroy , J. M. Diederik Kruijssen , Yotam Cohen , Allison Merritt , Jielai Zhang
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Deborah Lokhorst Lamiya Mowla Jean Brodie Aaron J. Romanowsky Steven Janssens
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keywords streamcoldstellargalaxymaybengc1052-df2ultra-diffusecandidate
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We report tentative evidence for a cold stellar stream in the ultra-diffuse galaxy NGC1052-DF2. If confirmed, this stream (which we refer to as "The Maybe Stream") would be the first cold stellar stream detected outside of the Local Group. The candidate stream is very narrow and has an unusual and highly curved shape.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Evidence for the First Globular Cluster Stellar Stream beyond the Milky Way

    astro-ph.GA 2026-08 conditional novelty 7.0 of 10

    The paper presents evidence that a 72 pc wide, 2 kpc long tidal feature in HST and CFHT images of UGC9050-Dw1 is an extragalactic globular cluster stream, and uses it to infer a massive dark matter halo.

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