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Izumi Lab
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The lab uses radio observations to study the giant black holes that shine at the centers of galaxies.
AboutAbout the lab
How do giant black holes grow?
The Izumi Lab studies active galactic nuclei, the brightly shining centers of galaxies.
Using radio waves, mainly millimeter and submillimeter waves, the lab observes active galactic nuclei across the universe, both nearby and in the distant past.
The lab investigates how supermassive black holes grow and how active galactic nuclei affect the growth and evolution of galaxies.
Associate Professor Izumi belongs to the ALMA Project at the National Astronomical Observatory of Japan.
Key terms
- Active galactic nucleus (AGN)
- An object whose galactic center shines extremely brightly. It glows as matter falls onto the black hole at the center.
- Millimeter and submillimeter waves
- Radio waves with wavelengths of about a millimeter or about a tenth of that. They are used to observe cold gas and dust.
- Supermassive black hole
- A black hole found at the center of many galaxies, with a mass of a million to a billion times that of the Sun.
ResearchResearch themes
The lab specializes in radio astronomy and galactic astronomy. Through observations centered on millimeter and submillimeter waves, it studies supermassive black holes and the galaxies that surround them.
*Illustrative imageRadio Observations of Active Galactic Nuclei
The lab carries out observations that capture active galactic nuclei, both nearby and in the distant past, in radio waves, mainly millimeter and submillimeter waves.
*Illustrative imageGrowth of Supermassive Black Holes
The lab investigates how the supermassive black holes at the centers of galaxies have grown by taking in matter.
*Illustrative imageImpact of Active Galactic Nuclei on Galaxies
The lab investigates how active galactic nuclei affect the growth and evolution of galaxies.
*Illustrative imageRelationship with Starbursts
The lab investigates how starbursts, in which stars form all at once in a galaxy, and active galactic nuclei have changed over time in relation to each other.
MembersFaculty
- Associate ProfessorTakuma Izumi
VoicesStudent voices
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RelatedLabs similar to Izumi Lab
Minezaki LabFaculty of Science, Department of AstronomyInfrared and optical astronomy (active galactic nuclei, coev…
Kohno LabFaculty of Science, Department of AstronomyRadio astronomy (millimeter and submillimeter waves / galaxy…
Egusa LabFaculty of Science, Department of AstronomyRadio astronomy / spiral galaxies; galaxy dynamics and star …
Honma LabFaculty of Science, Department of AstronomyRadio astronomy; very long baseline interferometry (VLBI)The information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images.
- Top image: “Artist’s impression of the active galactic nucleus of Messier 77 (eso2203d)” ESO/M. Kornmesser and L. Calçada / CC BY 4.0 (cropped)
- Radio Observations of Active Galactic Nuclei: “The first three ALMA antennas at the Array Operations Site (AOS) on Chajnantor (ib-alma10)” Iztok Bončina/ALMA (ESO/NAOJ/NRAO) / CC BY 4.0 (cropped)
- Growth of Supermassive Black Holes: “Illustration of Active Galactic Nucleus (2007-agns - accretiondisk torus)” NASA/CXC/Ohio State Univ./J.Eastman et al / Public domain (cropped)
- Impact of Active Galactic Nuclei on Galaxies: “A dust-bound supermassive black hole” ESA/NASA, the AVO project and Paolo Padovani / CC BY 4.0 (cropped)
- Relationship with Starbursts: “M82 HST ACS 2006-14-a-large web” NASA, ESA, and The Hubble Heritage Team (STScI/AURA) / Public domain (cropped)
- Related lab (Minezaki Lab): “NGC 4151 - HST” Judy Schmidt from USA / CC BY 2.0 (cropped)
- Related lab (Kohno Lab): “ALMA antennas on Chajnantor (malin-dsc0027)” ESO/C. Malin / CC BY 4.0 (cropped)
- Related lab (Egusa Lab): “M83 - Southern Pinwheel” (Credit) ESO / CC BY 4.0 (cropped)
- Related lab (Honma Lab): “Black hole - Messier 87 crop max res” Event Horizon Telescope, uploader cropped and converted TIF to JPG / CC BY 4.0 (cropped)
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