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Related papers: Tidal Tails around 20 Galactic Globular Clusters

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We analyze post-refurbishment Hubble Space Telescope images of four globular clusters in M31. The ability to resolve stars to below the horizontal branch permits us to use star counts to extend the surface brightness profiles determined…

We report the discovery of tidal tails around the two outer halo globular clusters, Eridanus and Palomar 15, based on $gi$-band images obtained with DECam at the CTIO 4-m Blanco Telescope. The tidal tails are among the most remote stellar…

Astrophysics of Galaxies · Physics 2018-01-25 G. C. Myeong , Helmut Jerjen , Dougal Mackey , Gary S. Da Costa

Stars that escape globular clusters form tidal tails that are predominantly shaped by the global distribution of mass in the Galaxy, but also preserve a historical record of small-scale perturbations. Using deep $grz$ photometry from…

As globular clusters (GCs) orbit the Milky Way, their stars are tidally stripped forming tidal tails that follow the orbit of the clusters around the Galaxy. The morphology of these tails is complex and shows correlations with the phase of…

In a sample of 54 galaxy clusters (0.04<z<0.15) containing 3551 early-type galaxies suitable for study, we identify those with tidal features both interactively and automatically. We find that ~3% have tidal features that can be detected…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Scott M. Adams , Dennis Zaritsky , David J. Sand , Melissa Graham , Chris Bildfell , Henk Hoekstra , Chris Pritchet

In a series of two papers, we test the primordial scenario of globular cluster formation using results of high-resolutions N-body simulations. In this first paper we study the initial relaxation of a stellar core inside a live dark matter…

Astrophysics · Physics 2009-11-10 Sergey Mashchenko , Alison Sills

Galactic globular clusters are ancient building blocks of our Galaxy. They represent a very interesting family of stellar systems in which some fundamental dynamical processes have been taking place for more than 10 Gyr, but on time scales…

Astrophysics · Physics 2018-03-28 G. Meylan

Using V and I images obtained with WFPC2/HST, we investigate compact stellar structures within tidal tails. Six regions of tidal debris in the four classic ``Toomre Sequence'' mergers: NGC 4038/39 (``Antennae''), NGC 3256, NGC 3921, and NGC…

The globular clusters of large spiral galaxies can be divided into two populations: one which formed in-situ and one which comprises clusters tidally stripped away from other galaxies. In this paper we investigate the contribution to the…

Astrophysics of Galaxies · Physics 2019-03-20 Eric P. Andersson , Melvyn B. Davies

This research presents unsupervised machine learning and statistical techniques to detect and analyze tidal tails in five open clusters, BH 164, Alessi 2, NGC 2281, NGC 2354, and M67, with ages ranging from 60 Myr to 4 Gyr, using Gaia DR3…

Astrophysics of Galaxies · Physics 2025-09-12 Ira Sharma , Vikrant V. Jadhav , Annapurni Subramaniam

[Abridged] Within the hierarchical framework for galaxy formation, minor merging and tidal interactions are expected to shape all large galaxies to the present day. As a consequence, most seemingly normal disk galaxies should be surrounded…

The surroundings of globular clusters in the outer halo are one of the best places to look for the remnants of ancient dwarf satellites. The classical Searle & Zinn (1978) scenario of the formation of the Milky Way, in which the halo…

Tidal streams of globular clusters are ideal tracers of the Galactic gravitational potential. Compared to the few known, complex and diffuse dwarf-galaxy streams, they are kinematically cold, have thin morphologies and are abundant in the…

Astrophysics of Galaxies · Physics 2016-09-07 A. H. W. Küpper , E. Balbinot , A. Bonaca , K. V. Johnston , D. W. Hogg , P. Kroupa , B. X. Santiago

Using the Optimal Filter Technique applied to Sloan Digital Sky Survey photometry, we have found extended tails stretching about 1 degree (or several tens of half-light radii) from either side of the ultra-faint globular cluster Palomar 1.…

Astrophysics of Galaxies · Physics 2015-05-19 M. Niederste-Ostholt , V. Belokurov , N. W. Evans , S. Koposov , M. Gieles , M. J. Irwin

We provide a detailed analysis on tidal tails of the globular cluster M3 (NGC 5272). We first discover clear extra-tidal structures with slight S-shape near the cluster. This inspires us to examine the existence of its long tidal tails. We…

Astrophysics of Galaxies · Physics 2023-08-14 Yong Yang , Jing-Kun Zhao , Xin-Zhe Tang , Xian-Hao Ye , Gang Zhao

In interacting galaxies, strong tidal forces disturb the global morphology of the progenitors and give birth to the long stellar, gaseous and dusty tails often observed. In addition to this destructive effect, tidal forces can morph into a…

Cosmology and Nongalactic Astrophysics · Physics 2010-08-03 Florent Renaud

We report the discovery of two well-defined tidal tails emerging from the Hyades star cluster. The tails were detected in Gaia DR2 data by selecting cluster members in the three-dimensional galactocentric cylindrical velocity space. The…

Astrophysics of Galaxies · Physics 2019-01-16 Stefan Meingast , João Alves

Using a cosmological N-body numerical simulation of the formation of a galaxy cluster- sized halo, we analyze the temporal evolution of its globular cluster population. We follow the dynamical evolution of 38 galactic dark matter halos…

Astrophysics of Galaxies · Physics 2015-05-22 Felipe Ramos , Valeria Coenda , Hernán Muriel , Mario Abadi

We use deep imaging from the Dark Energy Camera to explore the peripheral regions of nine globular clusters in the outer halo of the Milky Way. Apart from Whiting 1 and NGC 7492, which are projected against the Sagittarius stream, we see no…

Astrophysics of Galaxies · Physics 2022-03-30 Shumeng Zhang , Dougal Mackey , Gary Da Costa

The tidal tails of stellar clusters provide an important tool for studying the birth conditions of the clusters and their evolution, coupling, and interaction with the Galactic potential. We present the N-body evolution of a Hyades-like…

Astrophysics of Galaxies · Physics 2021-03-24 Tereza Jerabkova , Henri M. J. Boffin , Giacomo Beccari , Guido de Marchi , Jos H. J. de Bruijne , Timo Prusti