Associate Professor Tanaka, Masayuki
Research Field
- Galaxy Formation and Evolution, Observational Cosmology, Citizen Science
Brief Introduction of Research
- I am interested in how galaxies form and evolve over the cosmic time and I address these questions observationally using the largest telescopes in the world such as the Subaru Telescope, Very Large Telescope, and Keck Telescope. My main research subjects include (a) the formation of massive quiescent galaxies in the early Universe, (b) observational cosmology using nearby galaxies, (c) role of galaxy-galaxy mergers from GALAXY CRUISE (first citizen science project in astronomy in Japan), (d) development of high accuracy photometric redshifts and physical property inferences, and (e) environmental dependence of galaxy properties and role of active galactic nuclei. I am also one of the main players of the on-going large survey with Hyper Suprime-Cam and upcoming survey with Prime Focus Spectrograph.
Main Research Achievements
- “Stellar Velocity Dispersion of a Massive Quenching Galaxy at z = 4.01”, Tanaka et al. 2019, ApJ, 885, L19
- “Second data release of the Hyper Suprime-Cam Subaru Strategic Program”, Aihara et al. (corresponding author), 2019, PASJ, 71, 114
- “First data release of the Hyper Suprime-Cam Subaru Strategic Program”, Aihara et al. (corresponding author), 2018, PASJ, 70, S8
- “Photometric redshifts for Hyper Suprime-Cam Subaru Strategic Program Data Release 1 “, Tanaka et al. 2018, PASJ, 70, S9
- “A Spectroscopically Confirmed X-ray Cluster at z = 1.62 with a Possible Companion in the Subaru/XMM-Newton Deep Field” Tanaka, Finoguenov, Ueda, 2010, ApJ, 716, L152
- “The build-up of the colour-magnitude relation as a function of environment” Tanaka et al. 2005, MNRAS, 362, 268
- “The Environmental Dependence of Galaxy Properties in the Local Universe: Dependences on Luminosity, Local Density, and System Richness” Tanaka et al. 2004, AJ, 128, 2677
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