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We explore the nature of low surface brightness galaxies (LSBGs) in the hydrodynamic cosmological simulation TNG100 of the IllustrisTNG project, selecting a sample of LSBGs ($r$-band effective surface brightness $\mu_r > 22.0$ mag…

We investigate the formation and properties of low surface brightness galaxies (LSBGs) with $M_{*} > 10^{9.5} \mathrm{M_{\odot}}$ in the EAGLE hydrodynamical cosmological simulation. Galaxy surface brightness depends on a combination of…

Astrophysics of Galaxies · Physics 2020-09-04 Andrea Kulier , Gaspar Galaz , Nelson D. Padilla , James W. Trayford

We analyse different properties of central low-surface-brightness galaxies (LSBGs) and their satellite systems using the simulation Illustris TNG-100, in order to deepen our understanding of the formation mechanism of LSBGs in a…

Using the Sloan Digital Sky Survey (SDSS) data release 4 (DR 4), we investigate the spatial distribution of low and high surface brightness galaxies (LSBGs and HSBGs, respectively). In particular, we focus our attention on the influence of…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Gaspar Galaz , Rodrigo Herrera-Camus , Diego Garcia-Lambas , Nelson Padilla

Low-surface brightness galaxies (LSBGs) are defined as galaxies with central surface brightness levels fainter than the night sky, making them challenging to observe. A key open question is whether their faint appearance arises from…

Astrophysics of Galaxies · Physics 2025-10-01 D. Stoppacher , P. Tissera , Y. Rosas-Guevara , G. Galaz , J. Oñorbe

We select a volume-limited sample of galaxies derived from the SDSS-DR7 to study the environment of low surface brightness (LSB) galaxies at different scales, as well as several physical properties of the dark matter haloes where the LSB…

Astrophysics of Galaxies · Physics 2019-10-16 Luis Enrique Pérez-Montaño , Bernardo Cervantes Sodi

We study the relative fraction of low and high surface brightness galaxies (LSBGs and HSBGs) at void walls in the SDSS DR7. We focus on galaxies in equal local density environments. We assume that the host dark-matter halo mass (for which…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 L. Ceccarelli , R. Herrera-Camus , D. G. Lambas , G. Galaz , N. D. Padilla

High-quality observations of dark matter-dominated low surface brightness (LSB) galaxies indicate that, in contrast to the triaxial, centrally-concentrated cuspy halos formed in collisionless simulations of halo assembly, these galaxies…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Rachel Kuzio de Naray , Kristine Spekkens

Using the Early Data Release of the Sloan Digital Sky Survey (SDSS) we investigated the clustering properties of Low Surface Brightness (LSB) galaxies in comparison to normal, High Surface Brightness (HSB) galaxies. We selected LSB galaxies…

Astrophysics · Physics 2009-11-10 S. D. Rosenbaum , D. J. Bomans

The origin of low surface brightness (LSB) galaxies remains a key open question in galaxy formation, reflecting the balance internal mechanisms and environmental influence. Using MaNGA integral-field spectroscopy, we investigate whether LSB…

Astrophysics of Galaxies · Physics 2026-04-13 Mengting Shen , Hassen M. Yesuf , Lei Hao , Chong Ge , Jun Yin , Junfeng Wang , Shiyin Shen

The exact formation scenarios and evolutionary processes that led to the existence of the class of low surface brightness galaxies (LSBs) have not yet been understood completely. Since the environment of LSBs has been studied before only on…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 S. D. Rosenbaum , E. Krusch , D. J. Bomans , R. -J. Dettmar

We use the IllustrisTNG (TNG) simulations to explore the galaxy-halo connection as inferred from state-of-the-art cosmological, magnetohydrodynamical simulations. With the high mass resolution and large volume achieved by combining the 100…

Cosmology and Nongalactic Astrophysics · Physics 2019-09-25 Sownak Bose , Daniel J. Eisenstein , Lars Hernquist , Annalisa Pillepich , Dylan Nelson , Federico Marinacci , Volker Springel , Mark Vogelsberger

We employ the hydrodynamical simulation IllustrisTNG-300-1 to explore the halo occupation distribution (HOD) and environmental dependence of luminous star-forming emission-line galaxies (ELGs) at $z \sim 1$. Such galaxies are key targets…

Astrophysics of Galaxies · Physics 2021-02-10 Boryana Hadzhiyska , Sandro Tacchella , Sownak Bose , Daniel J. Eisenstein

Galaxies reside within dark matter halos, but their properties are influenced not only by their halo properties but also by the surrounding environment. We construct an interpretable neural network framework to characterize the surrounding…

Astrophysics of Galaxies · Physics 2025-10-01 Shun-ya S. Uchida , Suchetha Cooray , Atsushi J. Nishizawa , Tsutomu T. Takeuchi , Peter Behroozi

In this work, we investigate the stellar metallicities of low surface brightness galaxies (LSBGs) and normal high surface brightness galaxies (HSBGs) in the IllustrisTNG100-1 simulation. LSBGs and HSBGs are classified as galaxies with mean…

Astrophysics of Galaxies · Physics 2024-03-26 Lin Tang

The evolution of galaxies is known to be connected to their position within the large-scale structure and their local environmental density. We investigate the relative importance of these using the underlying dark matter density field…

Astrophysics of Galaxies · Physics 2026-02-11 Catherine Gallagher , Tariq Yasin , Richard Stiskalek , Harry Desmond , Matt J. Jarvis

In this work, we compare the presence of stellar bars in low and high surface brightness galaxies (LSBs and HSBs, respectively) using the TNG100 simulation of the IllustrisTNG project. The sample consists of 4,244 disc galaxies at $z=0$…

From $\sim$ 5000 deg$^{2}$ of the combination of the Beijing-Arizona Sky Survey (BASS) and Mayall $z$-band Legacy Survey (MzLS) which is also the northern sky region of the Dark Energy Spectroscopic Instrument (DESI) Legacy Imaging Surveys,…

Astrophysics of Galaxies · Physics 2024-05-01 Peng-Liang Du , Wei Du , Bing-Qing Zhang , Zhen-Ping Yi , Min He , Hong Wu

We investigate whether a correlation exists between the concentration and spin parameters of dark matter haloes forming in LCDM N-body simulations. In particular, we focus on haloes with virial masses characteristic of the hosts of Low…

Astrophysics · Physics 2007-05-23 Jeremy Bailin , Chris Power , Brad K. Gibson , Matthias Steinmetz
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