Frontiers in Astronomy and Space Sciences

Original Research

Published on 28 Sep 2026

Σ-Gravity: a coherence-motivated empirical response tested in galaxies and clusters

in Extragalactic Astronomy

Leonard Speiser

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2026.1866133

709 views

Original Research

Published on 23 Sep 2026

Galaxy–galaxy strong lensing simulation with GPU acceleration across surveys and multi-bands

in Extragalactic Astronomy

Fucheng Zhong
Ruibiao Luo
Nicola R. Napolitano
Crescenzo Tortora
Valerio Busillo
Rui Li

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2026.1796733

1,044 views

Original Research

Published on 10 Sep 2026

A regime-dependent constitutive exponent in SPARC rotation curves: phenomenological evidence beyond a universal MOND interpolation

in Extragalactic Astronomy

Lucas Giovani Ribeiro
Marcos André Simonssini

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2026.1890948

1,443 views

Original Research

Published on 12 Aug 2026

A bayesian determination of the Hubble constant using 126 fast radio bursts

in Extragalactic Astronomy

Eduard Fernando Piratova-Moreno

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2026.1753671

1,888 views

Original Research

Published on 24 Jun 2026

The distribution of cosmic ray electrons in star-forming galaxies

in Extragalactic Astronomy

Anvar Shukurov
Charles Jose

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2026.1828206

1,765 views
1 citation

Original Research

Published on 20 May 2026

Kinematically cold and warm planetary nebulae samples, HII regions and supernovae remnants in the disc of the face-on spiral galaxy NGC 628 (M74) - the Planetary Nebulae Spectrograph with the Hα arm

in Extragalactic Astronomy

Magda Arnaboldi
Ortwin Gerhard
Surya Aniyan
Kenneth C. Freeman
Anastasia Ponomareva
Lodovico Coccato
Johanna Hartke
Steven P. Bamford
Arianna Cortesi
Nigel Douglas

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2026.1685303

2,177 views

Original Research

Published on 27 Feb 2026

Searching for galaxy cluster-scale strong lenses from the DESI legacy imaging surveys

in Extragalactic Astronomy

Zhejian Zhang
Nan Li
Shude Mao
Hu Zou
Zizhao He
Mingxiang Fu
Shenzhe Cui

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2026.1744079

2,330 views
1 citation

Mini Review

Published on 24 Feb 2026

Little red dots: the assembly of early supermassive black holes in the JWST Era

in Extragalactic Astronomy

David D. Vaida
Ryan Jeffrey Farber

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2026.1779045

5,110 views
1 citation

Original Research

Published on 10 Feb 2026

Exotic matter and MOND as special cases of a more general solution in pure general relativity

in Extragalactic Astronomy

Stephane Le Corre

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1664364

3,011 views

Mini Review

Published on 07 Jan 2026

Hydrogen-rich to stripped-envelope: observational continuity and biases in CCSNe

in Extragalactic Astronomy

Anjasha Gangopadhyay
Priscila J. Pessi

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1708372

3,175 views
2 citations

Original Research

Published on 18 Dec 2025

Fast radio bursts as cosmological proxies: estimating the hubble constant

in Extragalactic Astronomy

Eduard Fernando Piratova-Moreno
Luz Ángela García
Carlos A. Benavides-Gallego
Ana Carolina Cabrera Blandón

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1573311

3,311 views
4 citations

Original Research

Published on 10 Dec 2025

A new empirical fit to galaxy rotation curves

in Extragalactic Astronomy

David C. Flynn
Jim Cannaliato

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1680387

7,291 views
7 citations

Mini Review

Published on 20 Nov 2025

Planetary nebulae as tracers of accreted stellar populations in massive galaxies in groups and clusters

in Extragalactic Astronomy

Johanna Hartke

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1673373

2,199 views
1 citation

Brief Research Report

Published on 18 Nov 2025

The PICS project: II. Circumnebular extinction variations and their effect on the planetary nebula luminosity function

in Extragalactic Astronomy

Lucas M. Valenzuela
George H. Jacoby
Rhea-Silvia Remus
Marcelo M. Miller Bertolami
Roberto H. Méndez

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1709047

1,727 views

Original Research

Published on 14 Oct 2025

LenNet: direct detection and localization of strong gravitational lenses in wide-field sky survey images

in Extragalactic Astronomy

Pufan Liu
Hui Li
Ziqi Li
Xiaoyue Cao
Rui Li
Hao Su
Ran Li
Nicola R. Napolitano
Léon V. E. Koopmans
Valerio Busillo

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1656917

4,594 views
2 citations

Original Research

Published on 20 Jun 2025

Probing cosmic voids with emission-line galaxies

in Extragalactic Astronomy

Yuka Yamada
Naoki Yoshida

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1607031

3,706 views

Brief Research Report

Published on 13 May 2025

Ratios of forbidden [OIII] λλ4959,5007 and [NII] λλ6548,6583 lines in nearby narrow emission line galaxies

in Extragalactic Astronomy

Natas̆a Bon
Edi Bon
Paola Marziani
Luka C̆. Popović

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1540522

6,081 views
1 citation

Original Research

Published on 05 Mar 2025

Searching for nearby diffuse dwarf galaxies in the COSMOS field

in Extragalactic Astronomy

Dong Dong Shi
Xian Zhong Zheng
Zhizheng Pan
Yu Luo
Hongxia Deng
Qunzhi Hua
Xinyu Luo
Qiming Wu

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1560380

4,049 views

Review

Published on 05 Mar 2025

X-ray properties of coronal emission in radio quiet active galactic nuclei

in Extragalactic Astronomy

Sibasish Laha
Claudio Ricci
John C. Mather
Ehud Behar
Luigi Gallo
Frederic Marin
Rostom Mbarek
Amelia Hankla

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1530392

9,019 views
27 citations

Mini Review

Published on 20 Feb 2025

The coronal line region of active galactic nuclei

in Extragalactic Astronomy

Alberto Rodríguez-Ardila
Fernando Cerqueira-Campos

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1548632

3,780 views
7 citations

Mini Review

Published on 25 Oct 2024

Relativistic reflection modeling in AGN and related variability from PCA: a brief review

in Extragalactic Astronomy

A. Danehkar

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1479301

3,924 views
4 citations

Mini Review

Published on 19 Sep 2024

Unveiling the quasar main sequence: illuminating the complexity of active galactic nuclei and their evolution

in Extragalactic Astronomy

Swayamtrupta Panda

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1479874

4,072 views
15 citations

Original Research

Published on 19 Aug 2024

The high energy X-ray probe (HEX-P): the most powerful jets through the lens of a superb X-ray eye

in Extragalactic Astronomy

Lea Marcotulli
Marco Ajello
Markus Böttcher
Paolo Coppi
Luigi Costamante
Laura Di Gesu
Manel Errando
Javier A. García
Andrea Gokus
Ioannis Liodakis

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1290057

4,763 views
1 citation

Original Research

Published on 20 May 2024

The high energy X-ray probe (HEX-P): the future of hard X-ray dual AGN science

in Extragalactic Astronomy

Ryan W. Pfeifle
Peter G. Boorman
Kimberly A. Weaver
Johannes Buchner
Francesca Civano
Kristin Madsen
Daniel Stern
Núria Torres-Albà
Emanuele Nardini
Claudio Ricci

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1304652

4,816 views
8 citations

126 articles

articles

Σ-Gravity: a coherence-motivated empirical response tested in galaxies and clusters

Galaxy–galaxy strong lensing simulation with GPU acceleration across surveys and multi-bands

A regime-dependent constitutive exponent in SPARC rotation curves: phenomenological evidence beyond a universal MOND interpolation

A bayesian determination of the Hubble constant using 126 fast radio bursts

The distribution of cosmic ray electrons in star-forming galaxies

Kinematically cold and warm planetary nebulae samples, HII regions and supernovae remnants in the disc of the face-on spiral galaxy NGC 628 (M74) - the Planetary Nebulae Spectrograph with the Hα arm

Searching for galaxy cluster-scale strong lenses from the DESI legacy imaging surveys

Little red dots: the assembly of early supermassive black holes in the JWST Era

Exotic matter and MOND as special cases of a more general solution in pure general relativity

Hydrogen-rich to stripped-envelope: observational continuity and biases in CCSNe

Fast radio bursts as cosmological proxies: estimating the hubble constant

A new empirical fit to galaxy rotation curves

Planetary nebulae as tracers of accreted stellar populations in massive galaxies in groups and clusters

The PICS project: II. Circumnebular extinction variations and their effect on the planetary nebula luminosity function

LenNet: direct detection and localization of strong gravitational lenses in wide-field sky survey images

Probing cosmic voids with emission-line galaxies

Ratios of forbidden [OIII] λλ4959,5007 and [NII] λλ6548,6583 lines in nearby narrow emission line galaxies

Searching for nearby diffuse dwarf galaxies in the COSMOS field

X-ray properties of coronal emission in radio quiet active galactic nuclei

The coronal line region of active galactic nuclei

Relativistic reflection modeling in AGN and related variability from PCA: a brief review

Unveiling the quasar main sequence: illuminating the complexity of active galactic nuclei and their evolution

The high energy X-ray probe (HEX-P): the most powerful jets through the lens of a superb X-ray eye

The high energy X-ray probe (HEX-P): the future of hard X-ray dual AGN science