A high occurrence of nuclear star clusters in faint Coma galaxies, and the roles of mass and environment

E Zanatta, R Sánchez-Janssen… - Monthly Notices of …, 2021 - academic.oup.com
We use deep high-resolution Hubble Space Telescope (HST)/Advanced Camera for
Surveys (ACS) imaging of two fields in the core of the Coma Cluster to investigate the …

Clues on the history of early-type galaxies from SDSS spectra and GALEX photometry

A Werle, R Cid Fernandes, N Vale Asari… - Monthly Notices of …, 2020 - academic.oup.com
Stellar population studies of early-type galaxies (ETGs) based on their optical stellar
continuum suggest that these are quiescent systems. However, emission lines and …

Measuring the Total Ultraviolet Light from Galaxy Clusters at z= 0.5–1.6: The Balance of Obscured and Unobscured Star Formation

J McKinney, V Ramakrishnan, KS Lee… - The Astrophysical …, 2022 - iopscience.iop.org
Measuring the Total Ultraviolet Light from Galaxy Clusters at z = 0.5–1.6: The Balance of
Obscured and Unobscured Star Formation - IOPscience Skip to content IOP Science home …

NSCs from groups to clusters: A catalogue of dwarf galaxies in the Shapley Supercluster and the role of environment in galaxy nucleation

E Zanatta, R Sánchez-Janssen… - Monthly Notices of …, 2024 - academic.oup.com
Nuclear star clusters (NSCs) are dense star clusters located at the centre of galaxies
spanning a wide range of masses and morphologies. Analysing NSC occupation statistics in …

Investigating the UV-excess in star clusters with N-body simulations: predictions for future CSST observations

X Pang, Q Shu, L Wang… - Research in Astronomy …, 2022 - iopscience.iop.org
We study the origin of the UV-excess in star clusters by performing N-body simulations of six
clusters with N= 10 k and N= 100 k (single stars & binary systems) and metallicities of Z …

UV upturn versus UV weak galaxies: differences and similarities of their stellar populations unveiled by a de-biased sample

MLL Dantas, PRT Coelho… - Monthly Notices of the …, 2021 - academic.oup.com
The ultraviolet (UV) upturn is characterized by an unexpected up-rise of the UV flux in
quiescent galaxies between the Lyman limit and 2500 Å. By making use of colour–colour …

Evolution of the ultraviolet upturn at 0.3< z< 1: exploring helium-rich stellar populations

SS Ali, R De Propris, C Chung, S Phillipps… - The Astrophysical …, 2021 - iopscience.iop.org
We measure the near-UV (rest-frame∼ 2400 Å) to optical color for early-type galaxies in 12
clusters at 0.3< z< 1.0. We show that this is a suitable proxy for the more common far …

UV bright red-sequence galaxies: a comparative study between UV upturn and UV weak systems

MLL Dantas - arXiv preprint arXiv:2011.06476, 2020 - arxiv.org
Ultraviolet (UV) emission from galaxies is associated with hot components, whether from
stellar sources or not. By making use of colour-colour diagrams, early-type galaxies (ETGs) …

[HTML][HTML] UV bright red-sequence galaxies: a comparative study between UV upturn and UV weak systems Maria

MLL Dantas - 2020 - bdtd.ibict.br
Ultraviolet (UV) emission from galaxies is associated with hot components, whether from
stellar sources or not. It is an important marker for star-formation rate, yet it can also be …