Frontiers in Astronomy and Space Sciences

Original Research

Accepted on 23 Sep 2025

LenNet: Direct Detection and Localization of Strong Gravitational Lenses in Wide-Field Sky Survey Images

in Extragalactic Astronomy

璞凡刘
Hui Li
Ziqi Li
Rui Li
Xiaoyue Cao
Hao Su
Ran Li
Nicola R. Napolitano
V E Koopmans
Valerio Busillo

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2025.1656917

453 views

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

1,318 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

1,988 views

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

1,479 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

2,943 views
6 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

1,485 views
2 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

1,607 views
2 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

1,798 views
6 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

2,123 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

1,805 views
6 citations

Original Research

Published on 14 May 2024

The High-Energy X-ray Probe (HEX-P): the circum-nuclear environment of growing supermassive black holes

in Extragalactic Astronomy

P. G. Boorman
N. Torres-Albà
A. Annuar
S. Marchesi
R. W. Pfeifle
D. Stern
F. Civano
M. Baloković
J. Buchner
C. Ricci

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1335459

2,624 views
16 citations

Original Research

Published on 09 May 2024

Modeling the dispersion measure—redshift relation for fast radio bursts

in Extragalactic Astronomy

Eduard Fernando Piratova-Moreno
Luz Ángela García

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1371787

2,407 views
1 citation

Original Research

Published on 24 Apr 2024

SDSS J075217.84 + 193542.2: X-ray weighing of a secondary BH

in Extragalactic Astronomy

Lev Titarchuk
Elena Seifina

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1368633

1,366 views
3 citations

Original Research

Published on 28 Mar 2024

The high energy X-ray probe (HEX-P): constraining supermassive black hole growth with population spin measurements

in Extragalactic Astronomy

J. M. Piotrowska
J. A. García
D. J. Walton
R. S. Beckmann
D. Stern
D. R. Ballantyne
D. R. Wilkins
S. Bianchi
P. G. Boorman
J. Buchner

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1324796

3,519 views
7 citations

Original Research

Published on 18 Mar 2024

The high energy X-ray probe (HEX-P): bringing the cosmic X-ray background into focus

in Extragalactic Astronomy

F. Civano
X. Zhao
P. G. Boorman
S. Marchesi
T. Ananna
S. Creech
C.-T. Chen
R. C. Hickox
D. Stern
K. Madsen

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2024.1340719

4,112 views
10 citations

Original Research

Published on 05 Jan 2024

The high energy X-ray probe (HEX-P): probing the physics of the X-ray corona in active galactic nuclei

in Extragalactic Astronomy

Elias Kammoun
Anne M. Lohfink
Megan Masterson
Dan R. Wilkins
Xiurui Zhao
Mislav Balokovic
Peter G. Boorman
Riley Connors
Paolo Coppi
Andrew Fabian

Frontiers in Astronomy and Space Sciences

doi 10.3389/fspas.2023.1308056

3,591 views
11 citations