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Takada Lab
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The lab uses Subaru Telescope galaxy surveys to study dark matter and dark energy.
AboutAbout the lab
Measuring the invisible through the structure of the universe
The Takada Lab studies observational cosmology, in particular how the hierarchical structure of the universe has formed.
The structure of the universe is thought to have formed as density fluctuations generated in the early universe grew, mainly through the gravity of dark matter.
Dark energy and neutrinos also leave traces on the process of structure formation.
The lab aims to clarify the properties of dark matter, dark energy, and neutrinos by precisely measuring data from large-scale galaxy surveys with the Subaru Telescope.
Key terms
- Dark energy
- An unidentified form of energy thought to be accelerating the expansion of the universe
- Gravitational lensing
- A phenomenon in which the gravity of a massive object bends the path of light, making the image of an object behind it appear distorted
- Galaxy survey
- An observation that images a wide area of the sky with a telescope to examine the positions and shapes of many galaxies
ResearchResearch themes
The lab conducts cosmology research using the large-scale cosmic survey with the Subaru Telescope led by the Kavli Institute for the Physics and Mathematics of the Universe. Its theme is the pursuit of precision cosmology as an experimental science, made possible by galaxy surveys.
*Illustrative imageProbing dark matter and dark energy with gravitational lensing
The lab precisely measures gravitational lensing caused by the structure of the universe to probe the properties of dark matter and dark energy.
*Illustrative imageConstraining neutrino mass from the distribution of galaxies
The lab statistically examines how galaxies cluster and are distributed in order to constrain the mass of neutrinos.
*Illustrative imageTesting theories of gravity and models of structure formation
The lab tests whether the theory of gravity holds on cosmological scales, and verifies models of how the structure of the universe has formed.
MembersFaculty
- ProfessorMasahiro Takada
VoicesStudent voices
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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. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Subaru mk summit light” Avriette at en.wikipedia / CC BY-SA 3.0 (cropped)
- Probing dark matter and dark energy with gravitational lensing: “Gravitational lensing in the galaxy cluster Abell 370 (captured by the Hubble Space Telescope)” NASA, ESA, the Hubble SM4 ERO Team and ST-ECF / CC BY 4.0 (cropped)
- Constraining neutrino mass from the distribution of galaxies: “Hubble ultra deep field” NASA and the European Space Agency / Public domain (cropped)
- Testing theories of gravity and models of structure formation: “Cosmic web” Volker Springel / Max Planck Institute For Astrophysics / CC BY-SA 4.0 (cropped)
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