Komaba Seminar

13:00, Feb. 16, 2020

Regular seminar
- Alessandro A. Trani "Unraveling the origin of gravitational waves with spin information"
Journal club
- Turbulent generation of magnetic switchbacks in the Alfvénic solar wind (Shimizu)
- Rapid Deceleration of Blast Waves Witnessed in Tycho’s Supernova Remnant (Tanikawa)

13:00, Feb. 7, 2020

Guest seminar
- Prof. Tetsuya Hama "Interstellar cold dust surface chemistry: a key to understanding molecular evolution in space"
Journal club
- Stellar X-rays and magnetic activity in 3D MHD coronal models (Washinoue)
- A Smoking Gun for Planetesimal Formation: Charge Driven Growth into a New Size Range (Suzuki)

13:00, Jan. 26, 2020

Journal club
- Matter accretion in metal-poor stars down to extremely metal-poor stars and the lithium problem (Suzuki)
- How dust fragmentation may be beneficial to planetary growth by pebble accretion (Hasegawa)

13:00, Jan. 12, 2020

Regular seminar
- Ataru Tanikawa "Pop. III binary black holes: their properties and GW190521"
Journal club

13:00, Dec. 15, 2020

Guest seminar
- Tatsuya Kai "Simulation of coronal loop heating including Alfven wave turbulence"
Journal club

13:00, Dec. 8, 2020

Journal club

13:00, Dec. 1, 2020

Regular seminar
- Kanato Kono "Growth and migration of gas planets in protoplanetary disks considering disk wind"
Journal club
- Photoevaporation of Grain-Depleted Protoplanetary Disks around Intermediate-Mass Stars: Investigating Possibility of Gas-Rich Debris Disks as Protoplanetary Remnants (Fukuhara)
- Ultra Short Period Planets in K2 III: Neighbors are Common with 12 New Multi-Planet Systems and 26 Newly Validated Planets in Campaigns 0-8, 10 (Trani)

13:00, Nov. 24, 2020

Regular seminar
- Haruka Washinoue (Introduction of previous stuides)
  - "The observable signature of late heating of the Universe during cosmic reionization"
  - "Unique signatures of Population III stars in the global 21-cm signal"
Journal club

13:00, Nov. 10, 2020

Regular seminar
- Haruka Washinoue "Systematic Study of EUV and X-ray Radiation from Metal-free Coronae"
Journal club

13:00, Oct. 27, 2020

Regular seminar
- Shuhei Fukuhara "Protoplanetary disc evolution around Intermediate-mass star with Disc Winds and Photoevaporation"
Journal club

13:00, Oct. 20, 2020

Regular seminar
- Yasuo Doi "Multi-scale magnetic field structure in and around the Perseus molecular cloud"
Journal club

13:00, Oct. 13, 2020

Regular seminar
- Yukihiko Hasegawa "Collisional Growth and Fragmentation of Dust Aggregates with Low Mass Ratios"
Journal club

13:00, Oct. 6, 2020

Regular seminar
- Yoko Funato "Orbital properties and evolutions of minor planets in the outer Solar System"
Journal club

13:00, Sep. 29, 2020

Journal club

12:00, Jul. 29, 2020

Journal club

12:00, Jul. 15, 2020

Journal club
- It has to be cool: on supergiant progenitors of binary black hole mergers from common-envelope evolution (Tanikawa)
- Starspot evolution, Differential Rotation and Correlation between Chromospheric and Photospheric Activities on Kepler-411 (Suzuki)

12:00, Jul. 1, 2020

Journal club

12:00, Jun. 17, 2020

Regular seminar
- Shinichirou Yoshida "Gravitational radiation from merger remnants of white dwarf binaries in deciHz band"
Journal club
- Core Formation, Coherence and Collapse: A New Core Evolution Paradigm Revealed by Machine Learning (Nakano)
- Plasmoid ejection by Alfven waves and the fast radio bursts from SGR 1935+2154 (Suzuki)

12:00, Jun. 10, 2020

Regular seminar
- Ryunosuke Nakano "Dependence of Protoplanetary disk evolution on Central star mass"
Journal club

12:00, Jun. 3, 2020

Regular seminar
- Kimihiko Shimizu
  - "Instability of MHD-jet in core collapse supernova explosion" (Bachelor thesis)
  - "Alfven-wave driven magnetic rotator winds from low-mass stars : rotation dependences of magnetic braking and mass-loss rate" (Introduction of previous study)
Journal club
- Searching for Black Holes in the Outer Solar System with LSST (Funato)
- The fates of massive stars: exploring uncertainties in stellar evolution with METISSE (Tanikawa)
- Possible evidence of ongoing planet formation in AB Aurigae. A showcase of the SPHERE/ALMA synergy (Suriano)
- FRB200428 papers (arXiv:2005.10324, 2005.10828, 2005.11071, 2005.12164) (Yoshida)

12:00, May 27, 2020

Regular seminar
- Ataru Tanikawa "Binary black holes and black holes in binaries"
Journal club
- Erosion driven size-redistribution of protoplanetary disk solids and the onset of streaming Instability and Pebble Accretion (Hasegawa)
- Is Betelgeuse the Outcome of a Past Merger? (Suzuki)

12:00, May 20, 2020

Regular seminar
- Scott Suriano "Dusty Magnetic Disk Winds from Substructured Disks"
Journal club

12:00, May 13, 2020

Regular seminar
- Norio Narita "Self-introduction: my previous, ongoing, future studies"
Journal club
- Circumstellar Disk Lifetimes In Numerous Galactic Young Stellar Clusters (Nakano)
- Global Hydromagnetic Simulations of Protoplanetary Disks with Stellar Irradiation and Simplified Thermochemistry (Suriano)

12:00, Apr. 22, 2020

Regular seminar
- Alessandro Trani "THE FEW-BODY PROBLEM FROM PLANETS TO BLACK HOLES"
Journal club
- Stellar wind effects on the atmospheres of close-in giants: a possible reduction in escape instead of increased erosion (Washinoue)
- Protostellar accretion and the cosmological lithium problem (Suzuki)

12:00, Apr. 15, 2020

Regular seminar
- Takeru Suzuki "A growth mechanism of dust grains in protoplanetary disks with magnetically driven disk winds"
Journal club
- A family portrait of disk inner rims around Herbig Ae/Be stars: Hunting for warps, rings, self shadowing, and misalignments in the inner astronomical units (Suzuki)
- A retrograde spin of the black hole in MAXI J1659–152 (Tanikawa)

2019年度の速報・セミナー記録

2018年度の速報・セミナー記録

2017年度の速報・セミナー記録

2016年度の速報・セミナー記録