JADES: low surface brightness galaxies at 0.4 &amp;lt; <i>z</i> &amp;lt; 0.8 in GOODS-S

ABSTRACT Low surface brightness galaxies (LSBs) are an important class of galaxies that allow us to broaden our understanding of galaxy formation and test various cosmological models. We present a survey of LSBs at $0.4 \lt z_{\rm phot} \lt 0.8$ in the Great Observatories Origins Deep Survey-South (GOODS-S) field using JWST Advanced Deep Extragalactic Survey (JADES) data. We model LSB surface brightness profiles, identifying those with $\bar{\mu }_{\rm eff} \gt 24$ mag arcsec$^{-2}$ in the F200W James Webb Space Telescope/Near-Infrared Camera (JWST/NIRCam) filter. We study the spatial distribution, number density, Sérsic profile parameters, and rest-frame colours of these LSBs. We compare the photometrically derived star formation histories, mass-weighted ages, and dust attenuations of these galaxies with a high surface brightness (HSB) sample at similar redshift and a lower redshift ($z_{\rm phot} \lt 0.4$) LSB sample, all of which have stellar masses $\lesssim 10^8 {\rm M}_{\odot }$. We find that all samples have low star formation (SFR$_{100} \lesssim 0.01 \: {\rm M}_{\odot } \: \mbox{yr}^{-1}$). The higher redshift LSBs and HSBs have similar star formation histories which show that the LSBs and HSBs possibly come from the same progenitors at $z \gtrsim 2$, though the histories are not well constrained for the LSB samples. The LSBs appear to have minimal dust, with most of our LSB samples showing $A_V \lt 1$ mag. JWST has pushed our understanding of LSBs beyond the local Universe.

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Journal
Monthly Notices of the Royal Astronomical Society
Published
2026-01-29
DOI
https://doi.org/10.1093/mnras/stag202
Primary Topic
Galaxies: Formation, Evolution, Phenomena
Type
article
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article

JADES: low surface brightness galaxies at 0.4 &lt; z &lt; 0.8 in GOODS-S

Jakob M. Helton, E. Curtis-Lake, Kevin Hainline, Courtney Carreira et al.
Monthly Notices of the Royal Astronomical Society
Galaxies: Formation, Evolution, Phenomena
article

JADES: low surface brightness galaxies at 0.4 &lt; z &lt; 0.8 in GOODS-S

Jakob M. Helton, E. Curtis-Lake, Kevin Hainline, Courtney Carreira, Marcia Rieke, Brant Robertson, Benjamin D Johnson, Andrew J Bunker, Christina C Williams, Pierluigi Rinaldi, Tristen Shields, Yang Sun, Daniel J Eisenstein, Christopher N A Willmer
article en

Abstract

ABSTRACT Low surface brightness galaxies (LSBs) are an important class of galaxies that allow us to broaden our understanding of galaxy formation and test various cosmological models. We present a survey of LSBs at $0.4 \lt z_{\rm phot} \lt 0.8$ in the Great Observatories Origins Deep Survey-South (GOODS-S) field using JWST Advanced Deep Extragalactic Survey (JADES) data. We model LSB surface brightness profiles, identifying those with $\bar{\mu }_{\rm eff} \gt 24$ mag arcsec$^{-2}$ in the F200W James Webb Space Telescope/Near-Infrared Camera (JWST/NIRCam) filter. We study the spatial distribution, number density, Sérsic profile parameters, and rest-frame colours of these LSBs. We compare the photometrically derived star formation histories, mass-weighted ages, and dust attenuations of these galaxies with a high surface brightness (HSB) sample at similar redshift and a lower redshift ($z_{\rm phot} \lt 0.4$) LSB sample, all of which have stellar masses $\lesssim 10^8 {\rm M}_{\odot }$. We find that all samples have low star formation (SFR$_{100} \lesssim 0.01 \: {\rm M}_{\odot } \: \mbox{yr}^{-1}$). The higher redshift LSBs and HSBs have similar star formation histories which show that the LSBs and HSBs possibly come from the same progenitors at $z \gtrsim 2$, though the histories are not well constrained for the LSB samples. The LSBs appear to have minimal dust, with most of our LSB samples showing $A_V \lt 1$ mag. JWST has pushed our understanding of LSBs beyond the local Universe.

Monthly Notices of the Royal Astronomical SocietyVol. 546(4)
Space Telescope Science Institute (US), Pennsylvania State University (US), University of Arizona (US), University of Hertfordshire (GB), University of California, Santa Cruz (US), University of Oxford (GB), Center for Astrophysics Harvard & Smithsonian (US), NSF NOIRLab (US)
Openalex Percentile: Top 71%
Galaxies: Formation, Evolution, Phenomena
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