Colloquium of Theoretical Astronomy Division
Planet2021
をテンプレートにして作成
開始行:
[[Planet]]
#norelated
* 惑星セミナー2021 [#zbb5ecca]
惑星セミナーは原則として毎週木曜日の15:00から開催していま...
astro-phセミナーは毎週月曜日の12:00から開催しています。（...
// セミナー発表順番
//
** Schedule & History [#vfafd1d8]
[[2020年度>Planet2020]]
[[2019年度>Planet2019]]
[[2018年度>Planet2018]]
[[2017年度>Planet2017]]
[[2016年度>Planet2016]]
[[2015年度>Planet2015]]
[[2014年度>Planet2014]]
|BGCOLOR(#ccf):|BGCOLOR(#ffc):|BGCOLOR(#ffc):|BGCOLOR(#fc...
|日程|発表|タイトル|Remarks|担当|h
|BGCOLOR(#ccf):|BGCOLOR(#ffc):|BGCOLOR(#ffc):|BGCOLOR(#fc...
//|BGCOLOR(#ddf):|BGCOLOR(#ffd):|BGCOLOR(#ffd):|BGCOLOR(#...
|[[前期 第1回 4/15 15:00->#planet0415]]|All members| Self...
|[[前期 第2回 4/22 15:00->#planet0422]]|All members| Self...
|[[前期 第3回 5/13 14:00->#planet0513]]|Teruyuki Hirano (...
|[[前期 第4回 5/20 15:00->#planet0520]]|Ryuki Hyodo (ISAS...
|[[前期 第5回 6/17 15:00->#planet0617]]|Riouhei Nakatani ...
|[[前期 第6回 6/24 15:00->#planet0624]]|Hiroaki Kaneko (t...
|[[前期 第7回 7/8 15:00->#planet0708]]|Tatsuya Okamura (N...
|[[前期 第8回 7/15 15:00->#planet0715]]|Hidekazu Tanaka (...
|[[後期 第1回 9/30 15:00->#planet0930]]|Takehiro Miyagosh...
|[[後期 第2回 10/28 14:00->#planet1028]]|Tadahiro Kimura ...
|[[後期 第3回 11/4 14:00->#planet1104]]|Haruka Hoshino (U...
|[[後期 第4回 11/18 14:00->#planet1118]]|Kenji Kurosaki (...
|[[後期 第5回 11/30 16:00->#planet1130]]|Philipp Umst...
|[[後期 第6回 12/2 14:00->#planet1202]]|Yuji Matsumoto (C...
|[[後期 第7回 12/16 14:30->#planet1216]]|Yusuke Tsukamoto...
|[[後期 第8回 1/20 14:00->#planet0120]]|Kazuhiro Kanagawa...
|[[後期 第9回 1/27 14:00->#planet0127]]|Ko Arimatsu (Kyot...
|[[後期 第10回 2/24 14:00->#planet0224]]|Hiroyuki Tako Is...
//今後の候補
//小久保さん：兵頭さん(JAXA), 玄田さん(ELSI), 金子さん(東...
//荒川：岡村さん (名大Ta研)
//古家：Gianni Cataldi(東大天文)
//石澤さん(京大)
//森島さん
//:&aname(planet1107){5/21}; 名前 タイトル|
//アブスト
:&aname(planet0520){5/20}; Ryuki Hyodo (ISAS/JAXA), Plane...
Forming planetesimals in protoplanetary disks is a major ...
References: Hyodo et al. 2021 A&A, 646, A14; Ida et al. 2...
:&aname(planet0617){6/17}; Riouhei Nakatani (RIKEN), Phot...
In a variety of astrophysical problems, we find a situati...
photoevaporation of protoplanetary disks hosted by interm...
:&aname(planet0624){6/24}; Hiroaki Kaneko (titech), Simul...
Chondrules are the major components of primitive meteorit...
:&aname(planet0708){7/8}; Tatsuya Okamura (Nagoya Univers...
Planets grow via the collisional accretion of small bodie...
Such small bodies feel strong gas drag and their orbits a...
We investigate the gas flow in the protoplanetary disk pe...
We then calculate the orbital evolutions of particles in ...
Based on the orbital calculations, we obtain the collisio...
Our results show that meter-sized or larger particles eff...
On the other hand, the gas flow plays an important role f...
Finally, considering the effects of the atmosphere and ga...
:&aname(planet0715){7/15}; Hidekazu Tanaka (Tohoku Univer...
Based on recent hydro-dynamical simulations, we construct...
planetary gaps, type II migration, and gas accretion onto...
These models have renewed the previous paradigm of giant ...
We actually developed a simple model for giant planet for...
runaway gas accretion stage. Our simple model gives unive...
in the diagram of planetary mass and orbital radius. We f...
with a few Jupiter masses or less suffer only a slight ra...
runaway gas accretion stage. Our model successfully expla...
mass distribution of giant exoplanets with the mass distr...
protoplanetary disks.
:&aname(planet0930){9/30}; Takehiro Miyagoshi (JAMSTEC), ...
Mantle convection governs tectonic activity on the surfac...
One of the most important differences between the Earth’s...
coefficient.
Our results are briefly summarized as follows. (1) The ac...
:&aname(planet1028){10/28}; Tadahiro Kimura (UTokyo), The...
Because of the increasing number of detected small exopla...
:&aname(planet1118){11/18}; Kenji Kurosaki (Nagoya Univer...
Recent observation reveals that many kinds of exoplanets ...
:&aname(planet1130){11/30}; Philipp Umstätter (Techn...
The first stage of planet formation starts with the agglo...
First, I will briefly introduce a model implementation of...
Second, I will present Molecular Dynamics simulations of ...
:&aname(planet1216){12/16}; Yusuke Tsukamoto (Kagoshima U...
原始星の形成進化過程におけるダストの成長とその運動は近年...
本講演では、このアルゴリズムに用いられる近似とその妥当性...
このコードを用いて発見された新しい現象、「原始惑星系円盤...
「原始惑星系円盤への降灰現象」とは以下の様なものである。...
本講演ではシ ミュレーション結果について説明するとともに、...
:&aname(planet0120){1/20}; Kazuhiro Kanagawa (Ibaraki Uni...
Relatively large dust grains (referred to as pebbles) acc...
outer edge of the gap induced by a planet in a protoplane...
a ring structure with a high dust-to-gas ratio can be for...
ring has been thought to be located right outside of the ...
We examined the evolution of the dust ring formed by a mi...
by performing two-fluid (gas and dust) hydrodynamic simul...
found that the initial dust ring does not follow the migr...
and remains at the initial location of the planet in the ...
low viscosity of alpha ~ 0.0001. The initial ring is grad...
by viscous diffusion, and a new ring is formed in the vic...
migrating planet, which develops from the trap of the dus...
leaking from the initial ring. During this phase, two rin...
outside the planet orbit. This phase can continue over ~...
planet migrating from 100 au. After the initial ring disa...
the later ring remains. This change in the ring morpholog...
clues as to when and where the planet was formed and is t...
the planet. We also carried out simulations with a mass-g...
These simulations show more complex asymmetric structures...
rings. The observed asymmetric structures in the protopla...
may be related to a migrating and mass-growing planet.
In this talk, I will introduce the above result and discu...
on planet formation and evolution in the protoplanetary d...
:&aname(planet0127){1/27}; Ko Arimatsu (Kyoto University)...
Monitoring short-timescale astronomical events (stellar o...
:&aname(planet0224){2/24}; Hiroyuki Tako Ishikawa (ABC), ...
Detailed chemical analyses of M dwarfs are scarce but nec...
終了行:
[[Planet]]
#norelated
* 惑星セミナー2021 [#zbb5ecca]
惑星セミナーは原則として毎週木曜日の15:00から開催していま...
astro-phセミナーは毎週月曜日の12:00から開催しています。（...
// セミナー発表順番
//
** Schedule & History [#vfafd1d8]
[[2020年度>Planet2020]]
[[2019年度>Planet2019]]
[[2018年度>Planet2018]]
[[2017年度>Planet2017]]
[[2016年度>Planet2016]]
[[2015年度>Planet2015]]
[[2014年度>Planet2014]]
|BGCOLOR(#ccf):|BGCOLOR(#ffc):|BGCOLOR(#ffc):|BGCOLOR(#fc...
|日程|発表|タイトル|Remarks|担当|h
|BGCOLOR(#ccf):|BGCOLOR(#ffc):|BGCOLOR(#ffc):|BGCOLOR(#fc...
//|BGCOLOR(#ddf):|BGCOLOR(#ffd):|BGCOLOR(#ffd):|BGCOLOR(#...
|[[前期 第1回 4/15 15:00->#planet0415]]|All members| Self...
|[[前期 第2回 4/22 15:00->#planet0422]]|All members| Self...
|[[前期 第3回 5/13 14:00->#planet0513]]|Teruyuki Hirano (...
|[[前期 第4回 5/20 15:00->#planet0520]]|Ryuki Hyodo (ISAS...
|[[前期 第5回 6/17 15:00->#planet0617]]|Riouhei Nakatani ...
|[[前期 第6回 6/24 15:00->#planet0624]]|Hiroaki Kaneko (t...
|[[前期 第7回 7/8 15:00->#planet0708]]|Tatsuya Okamura (N...
|[[前期 第8回 7/15 15:00->#planet0715]]|Hidekazu Tanaka (...
|[[後期 第1回 9/30 15:00->#planet0930]]|Takehiro Miyagosh...
|[[後期 第2回 10/28 14:00->#planet1028]]|Tadahiro Kimura ...
|[[後期 第3回 11/4 14:00->#planet1104]]|Haruka Hoshino (U...
|[[後期 第4回 11/18 14:00->#planet1118]]|Kenji Kurosaki (...
|[[後期 第5回 11/30 16:00->#planet1130]]|Philipp Umst...
|[[後期 第6回 12/2 14:00->#planet1202]]|Yuji Matsumoto (C...
|[[後期 第7回 12/16 14:30->#planet1216]]|Yusuke Tsukamoto...
|[[後期 第8回 1/20 14:00->#planet0120]]|Kazuhiro Kanagawa...
|[[後期 第9回 1/27 14:00->#planet0127]]|Ko Arimatsu (Kyot...
|[[後期 第10回 2/24 14:00->#planet0224]]|Hiroyuki Tako Is...
//今後の候補
//小久保さん：兵頭さん(JAXA), 玄田さん(ELSI), 金子さん(東...
//荒川：岡村さん (名大Ta研)
//古家：Gianni Cataldi(東大天文)
//石澤さん(京大)
//森島さん
//:&aname(planet1107){5/21}; 名前 タイトル|
//アブスト
:&aname(planet0520){5/20}; Ryuki Hyodo (ISAS/JAXA), Plane...
Forming planetesimals in protoplanetary disks is a major ...
References: Hyodo et al. 2021 A&A, 646, A14; Ida et al. 2...
:&aname(planet0617){6/17}; Riouhei Nakatani (RIKEN), Phot...
In a variety of astrophysical problems, we find a situati...
photoevaporation of protoplanetary disks hosted by interm...
:&aname(planet0624){6/24}; Hiroaki Kaneko (titech), Simul...
Chondrules are the major components of primitive meteorit...
:&aname(planet0708){7/8}; Tatsuya Okamura (Nagoya Univers...
Planets grow via the collisional accretion of small bodie...
Such small bodies feel strong gas drag and their orbits a...
We investigate the gas flow in the protoplanetary disk pe...
We then calculate the orbital evolutions of particles in ...
Based on the orbital calculations, we obtain the collisio...
Our results show that meter-sized or larger particles eff...
On the other hand, the gas flow plays an important role f...
Finally, considering the effects of the atmosphere and ga...
:&aname(planet0715){7/15}; Hidekazu Tanaka (Tohoku Univer...
Based on recent hydro-dynamical simulations, we construct...
planetary gaps, type II migration, and gas accretion onto...
These models have renewed the previous paradigm of giant ...
We actually developed a simple model for giant planet for...
runaway gas accretion stage. Our simple model gives unive...
in the diagram of planetary mass and orbital radius. We f...
with a few Jupiter masses or less suffer only a slight ra...
runaway gas accretion stage. Our model successfully expla...
mass distribution of giant exoplanets with the mass distr...
protoplanetary disks.
:&aname(planet0930){9/30}; Takehiro Miyagoshi (JAMSTEC), ...
Mantle convection governs tectonic activity on the surfac...
One of the most important differences between the Earth’s...
coefficient.
Our results are briefly summarized as follows. (1) The ac...
:&aname(planet1028){10/28}; Tadahiro Kimura (UTokyo), The...
Because of the increasing number of detected small exopla...
:&aname(planet1118){11/18}; Kenji Kurosaki (Nagoya Univer...
Recent observation reveals that many kinds of exoplanets ...
:&aname(planet1130){11/30}; Philipp Umstätter (Techn...
The first stage of planet formation starts with the agglo...
First, I will briefly introduce a model implementation of...
Second, I will present Molecular Dynamics simulations of ...
:&aname(planet1216){12/16}; Yusuke Tsukamoto (Kagoshima U...
原始星の形成進化過程におけるダストの成長とその運動は近年...
本講演では、このアルゴリズムに用いられる近似とその妥当性...
このコードを用いて発見された新しい現象、「原始惑星系円盤...
「原始惑星系円盤への降灰現象」とは以下の様なものである。...
本講演ではシ ミュレーション結果について説明するとともに、...
:&aname(planet0120){1/20}; Kazuhiro Kanagawa (Ibaraki Uni...
Relatively large dust grains (referred to as pebbles) acc...
outer edge of the gap induced by a planet in a protoplane...
a ring structure with a high dust-to-gas ratio can be for...
ring has been thought to be located right outside of the ...
We examined the evolution of the dust ring formed by a mi...
by performing two-fluid (gas and dust) hydrodynamic simul...
found that the initial dust ring does not follow the migr...
and remains at the initial location of the planet in the ...
low viscosity of alpha ~ 0.0001. The initial ring is grad...
by viscous diffusion, and a new ring is formed in the vic...
migrating planet, which develops from the trap of the dus...
leaking from the initial ring. During this phase, two rin...
outside the planet orbit. This phase can continue over ~...
planet migrating from 100 au. After the initial ring disa...
the later ring remains. This change in the ring morpholog...
clues as to when and where the planet was formed and is t...
the planet. We also carried out simulations with a mass-g...
These simulations show more complex asymmetric structures...
rings. The observed asymmetric structures in the protopla...
may be related to a migrating and mass-growing planet.
In this talk, I will introduce the above result and discu...
on planet formation and evolution in the protoplanetary d...
:&aname(planet0127){1/27}; Ko Arimatsu (Kyoto University)...
Monitoring short-timescale astronomical events (stellar o...
:&aname(planet0224){2/24}; Hiroyuki Tako Ishikawa (ABC), ...
Detailed chemical analyses of M dwarfs are scarce but nec...
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