Could compact stars in globular clusters constrain dark matter?
The dark matter content of globular clusters, highly compact gravity-bound stellar systems, is
unknown. It is also generally unknowable, due to their mass-to-light ratios typically ranging …
unknown. It is also generally unknowable, due to their mass-to-light ratios typically ranging …
The e-TidalGCs project-Modeling the extra-tidal features generated by Galactic globular clusters
S Ferrone, P Di Matteo, A Mastrobuono-Battisti… - Astronomy & …, 2023 - aanda.org
We present the e-TidalGCs project, aimed at modeling and predicting the extra-tidal features
surrounding all Galactic globular clusters for which 6D phase-space information, masses …
surrounding all Galactic globular clusters for which 6D phase-space information, masses …
A search for stellar structures around nine outer halo globular clusters in the Milky Way
S Zhang, D Mackey, GS Da Costa - Monthly Notices of the Royal …, 2022 - academic.oup.com
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 …
nine globular clusters in the outer halo of the Milky Way. Apart from Whiting 1 and NGC …
EDGE: the puzzling ellipticity of Eridanus II's star cluster and its implications for dark matter at the heart of an ultra-faint dwarf
ABSTRACT The Eridanus II (EriII)'ultra-faint'dwarf has a large (15 pc) and low-mass (4.3×
103 M⊙) star cluster (SC) offset from its centre by 23±3 pc in projection. Its size and offset …
103 M⊙) star cluster (SC) offset from its centre by 23±3 pc in projection. Its size and offset …
Properties of globular clusters formed in dark matter mini-halos
E Vitral, P Boldrini - Astronomy & Astrophysics, 2022 - aanda.org
We seek to differentiate dynamical and morphological attributes between globular clusters
(GCs) that were formed inside their own dark matter (DM) mini-halo from those who were …
(GCs) that were formed inside their own dark matter (DM) mini-halo from those who were …
On the physical size of the Milky Way globular cluster NGC 7089 (M2)
AE Piatti - Monthly Notices of the Royal Astronomical Society, 2022 - academic.oup.com
We study the outer regions of the Milky Way globular cluster NGC 7089 based on new Dark
Energy Camera observations. The resulting background-cleaned stellar density profile …
Energy Camera observations. The resulting background-cleaned stellar density profile …
Dark Energy Camera photometry reveals extra-tidal stars around the Milky Way globular cluster NGC 6864 (M75)
AE Piatti - Monthly Notices of the Royal Astronomical Society, 2022 - academic.oup.com
Globular clusters are prone to lose stars while moving around the Milky Way. These stars
escape the clusters and are distributed throughout extended envelopes or tidal tails …
escape the clusters and are distributed throughout extended envelopes or tidal tails …
The e-TidalGCs project
S Ferrone, P Di Matteo… - ASTRONOMY & …, 2023 - research.unipd.it
We present the e-TidalGCs project, aimed at modeling and predicting the extra-tidal features
surrounding all Galactic globular clusters for which 6D phase-space information, masses …
surrounding all Galactic globular clusters for which 6D phase-space information, masses …
Galaxy Dancers: a dynamical study of globular star clusters
EF Vitral - 2022 - theses.hal.science
Globular clusters are roughly spherical collections of hundreds of thousands or millions of
stars that orbit a host galaxy. Very old, with typical ages similar to the one of their hosts …
stars that orbit a host galaxy. Very old, with typical ages similar to the one of their hosts …