Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Active galaxies and cluster gas.

A C Fabian1

  • 1Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK. acf@ast.cam.ac.uk

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|February 1, 2005
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Quasi-periodic X-ray eruptions years after a nearby tidal disruption event.

Nature·2024
Same author

The corona contracts in a black-hole transient.

Nature·2019
Same author

Star formation inside a galactic outflow.

Nature·2017
Same author

Turbulent heating in galaxy clusters brightest in X-rays.

Nature·2014
Same author

An ultraluminous X-ray source powered by an accreting neutron star.

Nature·2014
Same author

Linear structures in the core of the Coma cluster of galaxies.

Science (New York, N.Y.)·2013
Same journal

Inverse FIP effect plasma in the solar atmosphere: a synthesis of current understanding and new insights from AR 11967.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Signs of sulfur fractionation under high magnetic field strength.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

First ionization potential fractionation of sulfur observed with spectral imaging of the coronal environment.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Chromospheric dynamics and turbulence regulate the solar FIP effect.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Exploring the link between wave activity in the photospheric velocity driver and the FIP bias in the solar corona.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
Same journal

Radiative hydrodynamic simulations of first ionization potential fractionation in solar flares.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences·2026
See all related articles

Active galaxies, like radio galaxies, heat hot gas in galaxy clusters, solving the cooling-flow problem. This heating, likely from black holes, impacts galaxy evolution.

Area of Science:

  • Astrophysics
  • Galaxy Clusters
  • Active Galactic Nuclei

Background:

  • Galaxy clusters contain diffuse hot gas radiating X-rays.
  • The X-ray luminosity-temperature relation suggests additional heating is needed.
  • The cooling-flow problem describes rapid energy loss in cluster cores.

Purpose of the Study:

  • To investigate the heating mechanisms of diffuse hot gas in galaxy clusters.
  • To explain the steep X-ray luminosity-temperature relation.
  • To resolve the cooling-flow problem in cluster cores.

Main Methods:

  • Analyzing X-ray observations of galaxy clusters.
  • Investigating energy transport from central active galaxies.
  • Exploring viscous heating within the intracluster medium.

Related Experiment Videos

Main Results:

  • Evidence suggests active galaxies heat intracluster gas.
  • Heating is required to explain cluster X-ray properties.
  • Viscous heating is a potential mechanism.

Conclusions:

  • Active galaxies play a crucial role in heating galaxy cluster gas.
  • Understanding heating mechanisms is key to cluster physics.
  • These processes affect the luminosity function of massive galaxies.