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Publications

Research Interest:

This image, adapted from my recent paper, shows a Hubble observation of two merging galaxies in Arp 302. The pink glow highlights the X-ray emission from one of the galaxies, the stronger X-ray emitter of the pair. The grey curve represents the XMM-Newton X-ray spectrum of this galaxy, where soft X-ray emission originates from the host galaxy, while the hard X-rays are emitted by the active galactic nucleus (AGN). These X-ray observations offer valuable insights into how galaxy mergers can enhance accretion onto central supermassive black holes, reveal intricate details of black hole accretion physics, and demonstrate how accretion processes impact the surrounding environment on both circumnuclear and galactic scales.

This image, adapted from my recent paper, shows a Hubble observation of two merging galaxies in Arp 302 and summarises my research interest. The pink glow highlights the X-ray emission from one of the galaxies, the stronger X-ray emitter of the pair. The grey curve represents the XMM-Newton X-ray spectrum of this galaxy, where soft X-ray emission originates from the host galaxy, while the hard X-rays are emitted by the active galactic nucleus (AGN). These X-ray observations offer valuable insights into how galaxy mergers can enhance accretion onto central supermassive black holes, reveal intricate details of black hole accretion physics, and demonstrate how accretion processes impact the surrounding environment on both circumnuclear and galactic scales.

Selected Publications:

My full publication list can be found on ORCID.

2024

50 Years after the Discovery of the First Stellar-Mass Black Hole: A review of Cyg X-1

J. Jiang, Galaxies, 12(6), 80

Plunging Region Emission in the X-ray binary MAXI J0637-430

A. Mummery, J. Jiang et al., MNRAS, 533, L83

The Origin of the X-ray Emission from the Non-Starburst Gas-Rich Infrared Luminous Galaxies Arp 302

J. Jiang et al., MNRAS, 528, 1223


2023

High-density Reflection Spectroscopy of Black Hole X-ray Binaries in the Hard State

H. Liu, J. Jiang et al., ApJ, 951, 154

An XMM-Newton Study of Narrow-Line Seyfert 1 Galaxies at z=0.35-0.92

Z. Yu, J. Jiang et al., MNRAS, 522, 5456

The Low Temperature Corona in ESO 511−G030 Revealed by NuSTAR and XMM-Newton

Z. Zhang, J. Jiang et al., ApJ, 949, 4


2022

Comparing Reflection and Absorption Models for the Soft X-ray Variability in the NLS1 AGN UGC 11763

J. Jiang et al., MNRAS, 516 (2022), 4256

A NuSTAR and Swift View of the Hard State of MAXI J1813-095

J. Jiang et al., MNRAS, 514 (2022), 1952

Black Hole Spin Measurements Based on a Thin Disc Model with Finite Thickness I. An example study of MCG-06-30-15

J. Jiang et al., MNRAS, 514 (2022), 3246

XMM-Newton Observations of the Narrow-Line Seyfert 1 Galaxy IRAS 13224-3809: X-ray Spectral Analysis II.

J. Jiang et al., MNRAS, 514 (2022), 1107

Rapidly Alternating Flux States of GX 339-4 During its 2021 Outburst Captured by Insight-HXMT

H. Liu, J. Jiang et al., MNRAS, 513 (2022), 4308


2021

A Highly Accreting Low-Mass Black Hole Hidden in the Dust: Suzaku and NuSTAR observations of the NLS1 Mrk 1239

J. Jiang et al., Mon. Not. Roy. Astron. Soc., 505 (2021) 702

Modelling the Multiwavelength Variability of Mrk 335 using Gaussian Processes

R. Griffiths, J. Jiang et al., ApJ, 914 (2021) 13


2020

The Awakening Beast in the Seyfert 1 Galaxy KUG 1141+371 I.

J. Jiang et al., Mon. Not. Roy. Astron. Soc., 501 (2021) 916

A Disc Reflection Model for Ultra-Soft Narrow-Line Seyfert 1 Galaxies

J. Jiang et al., Mon. Not. Roy. Astron. Soc., 498 (2020), 3888

A NuSTAR View of GRS 1716−249 in the Hard and Intermediate States

J. Jiang et al., Mon. Not. Roy. Astron. Soc., 492 (2020), 1947


2019

High Density Reflection Spectroscopy II. the Density of the Inner Black Hole Accretion Disc in AGN

J. Jiang et al., Mon. Not. Roy. Astron. Soc., 489 (2019), p 3436-3455

High Density Reflection Spectroscopy I. A case study of GX 339-4

J. Jiang et al., Mon. Not. Roy. Astron. Soc., 484 (2019), p.1972-1982

A Relativistic Disc Reflection Model for 1H0419-577: Multi-Epoch Spectral Analysis with XMM-Newton and NuSTAR

J. Jiang et al.,Mon. Not. Roy. Astron. Soc., 483 (2019), p.2958-2967


2018

The Ultra-Fast Outflow of WKK 4438: Suzaku and NuSTAR X-ray Spectral Analysis

J. Jiang et al., Mon. Not. Roy. Astron. Soc. 481 (2018), no. 1, 639-644

The 1.5 Ms Observing Campaign on IRAS 13224-3809: X-ray Spectral Analysis I

J. Jiang et al., Mon. Not. Roy. Astron. Soc. 477 (2018) no.3, 3711-3726


2016

Testing the Kerr nature of black hole candidates using iron line reverberation mapping in the CPR framework

J. Jiang, C. Bambi, J. Steiner, Phys. Rev. D93(2016) no.12, 123008

Testing the no-hair theorem with the continuum-fitting and the iron line methods: a short review

C. Bambi, J. Jiang, J. Steiner, Class. Quant. Grav. 33(2016) no.6, 064001


2015

Testing the Kerr nature of black hole candidates using iron line spectra in the CPR framework

J. Jiang, C. Bambi, J. Steiner, Astrophys. J. 811(2015) no.2, 130

Using iron line reverberation and spectroscopy to distinguish Kerr and non-Kerr black holes

J. Jiang, C. Bambi, J. Steiner, JCAP 1505(2015) no.05, 025

Book:

I was one of the two editors for the Springer volume "High-Resolution X-ray Spectroscopy".

I was one of the two editors for the Springer volume "High-Resolution X-ray Spectroscopy".