Colloquium of Theoretical Astronomy Division
Colloquium2017
をテンプレートにして作成
開始行:
#norelated
* 理論コロキウム2017 [#ec64c90a]
理論コロキウムは原則として毎週水曜日の午後13:30から開催し...
原則として英語で講演していただきますが、
講師・参加者が日本人だけの場合は日本語に切り替えてくださ...
台内・台外また分野を問わず広く発表者（台外の方には旅費・...
お問い合わせは以下のコロキウム係までお願いします（_AT_を@...
- 滝脇知也 takiwaki.tomoya_AT_nao.ac.jp~
- 片岡 章雅 akimasa.kataoka_AT_nao.ac.jp~
- Kenneth Wong ken.wong ATM nao.ac.jp~
- 高橋 博之 takahashi ATM cfca.jp~
- 平居 悠 yutaka.hirai ATM nao.ac.jp
//~理論コロキウムの前には台内の発表者による[[ショートコロ...
** Schedule & History [#o275f43a]
[[2010年度:http://th.nao.ac.jp/seminar/colloquium/2010/]]
[[2011年度:http://th.nao.ac.jp/seminar/colloquium/2011/in...
[[2012年度:http://th.nao.ac.jp/seminar/colloquium/2012/]]
[[2013年度:http://th.nao.ac.jp/seminar/colloquium/2013/]]
[[2014年度:http://th.nao.ac.jp/seminar/?Colloquium2014]]
[[2015年度:http://th.nao.ac.jp/seminar/?Colloquium2015]]
[[2016年度:http://th.nao.ac.jp/seminar/?Colloquium2016]]
|BGCOLOR(#ccf):|BGCOLOR(#ffc):|BGCOLOR(#cff):|BGCOLOR(#fc...
|Date|Speaker|Title|Place/Time|remarks|h
|BGCOLOR(#ddf):|BGCOLOR(#ffd):|BGCOLOR(#dff):|BGCOLOR(#fd...
//
//
|[[4/5>#long0405]]|all internal members|self-introduction...
|[[4/12>#long0412]]|Shing Chi Leung (Kavli IPMU)|Nucleosy...
|[[4/17>#long0417]]|Toshihiko Kawano (LANL/Tokyo Tech)|be...
|[[4/19>#long0419]]|Masaki Yamaguchi (U. Tokyo)|The numbe...
|[[4/26>#long0426]]| Tomohisa Kawashima (NAOJ DTA)|Radiat...
|[[5/08>#long0508]]| Jonathan C. Tan (University of Flori...
|[[5/10>#long0510]]| Shinpei Shibata (Yamagata University...
|[[5/17>#long0517]]| Tomohiro Ono (Kyoto University)| Lar...
|[[5/24>#long0524]]| Naonori Sugiyama (IPMU)| Kinematic S...
|[[5/31>#long0531]]| Shogo Ishikawa (NAOJ CfCA)|The Galax...
|[[6/7>#long0607]]| Tomoya Kinugawa (U. Tokyo)|Compact bi...
|[[6/12>#long0612]]|Yamaç Pehlivan (Mimar Sinan Univ...
|[[6/14>#long0614]]|Cemsinan Deliduman (Mimar Sinan Unive...
|[[6/21>#long0621]]|Hiroyuki Kurokawa (ELSI, Tokyo Tech)|...
|[[6/28>#long0628]]| Masanobu Kunitomo (Nagoya University...
|[[7/5>#long0705]]| Yuta Asahina (NAOJ CfCA)| MHD Simulat...
|[[7/12>#long0712]]| Shoko Oshigami (NAOJ CfCA)|Mare volc...
|[[7/19>#long0719]]| Shinsuke Takasao (Nagoya University)...
|[[7/26>#long0726]]| Jean Coupon (University of Geneva)|P...
|[[9/27>#long0927]]| Takayoshi Kusune (NAOJ)|Magnetic fie...
|[[10/03>#long1003]]| Matthew Kenworthy (Leiden Observato...
|[[10/04>#long1004]]| Yuri Aikawa (University of Tokyo)|D...
|[[10/10>#long1010]]| Peter Behroozi (University of Arizo...
|[[10/18>#long1018]]| Ryosuke Hirai (Waseda University)|U...
|[[10/19>#long1019]]| Sergey Blinnikov (Institute for The...
|[[10/25>#long1025]]| Sho Fujibayashi (Kyoto University)|...
|[[11/01>#long1101]]|No colloquium|NAOJ decadal workshop ...
|[[11/02>#long1102]]|Wanggi Lim (NAOJ)|Dust in Infrared D...
|[[11/08>#long1108]]|No colloquium|DTA workshop 2017 |||
|[[11/15>#long1115]]| Sanemichi Takahashi (Kogakuin Unive...
|[[11/22>#long1122]]| Wolfgang Loeffler (Heidelberg ARI)|...
|[[11/29>#long1129]]|No colloquium|CfCA UM |||
|[[12/06>#long1206]]| Kazuyuki Sugimura (Tohoku Universit...
|[[12/20>#long1220]]| Yutaka Hirai (NAOJ)|The role of enr...
|[[01/17>#long0117]]| Kohei Hayashi (NAOJ)|The universal ...
|[[01/24>#long0124]]| Hiroshi Kobayashi (NAOJ)|Three-Dime...
|[[01/31>#long0131]]| Misako Tatsuuma (UTokyo)|Gravitatio...
|[[01/31>#long0131]]| Kanji Mori (UTokyo)|Quantum Mechani...
|[[02/21>#long0221]]| Kaiki Inoue (Kinki University)|Dete...
|[[03/28>#long0328]]| Tomoyuki Hanawa (Chiba University)|...
** Confirmed speakers [#x254052f]
//|[[02/28>#long0228]]| Takashi Shibata (NAOJ)|TBD|Rinko-...
** Abstract [#p278348e]
:&aname(long0412){4/12}; Shing Chi Leung (Kavli IPMU) Nuc...
Type Ia supernovae (SNe Ia) are an important class of ast...
:&aname(long0417){4/17}; Toshihiko Kawano (LANL/Tokyo Tec...
We give a brief summary of our recent development of nucl...
theories with a particular focus on nuclear data producti...
r-process nucleosynthesis. The topics include calculation...
beta-delayed process for neutron-rich nuclei, where sever...
can be emitted, and eventually fission may take place as ...
Our recent studies on fission itself are also given.
:&aname(long0419){4/19}; Masaki Yamaguchi (U. Tokyo) The ...
Although it is believed that there are 10^8-9 stellar mas...
Gaia is now operated and have a capability to detect bina...
In my talk, I will show how many BHs can be detected by s...
:&aname(long0426){4/26}; Tomohisa Kawashima (NAOJ) Radiat...
Ultraluminous X-ray sources are off-centered, extragalact...
:&aname(long0508){5/08}; Jonathan C. Tan (University of F...
The Kepler-discovered systems with tightly-packed inner p...
:&aname(long0510){5/10}; Shinpei Shibata (Yamagata Univer...
I review physics of the rotation powered pulsars with spe...
:&aname(long0517){5/17}; Tomohiro Ono (Kyoto University) ...
Large-scale gas vortexes induced by the Rossby wave insta...
:&aname(long0524){5/24}; Naonori Sugiyama (IPMU) Kinemati...
Over the past few years, cosmologists have been able to m...
:&aname(long0531){5/31}; Shogo Ishikawa (NAOJ CfCA) The G...
We present the results of clustering analyses of Lyman br...
(LBGs) at z~3, 4, and 5 using the final data release of the
Canada–France–Hawaii Telescope Legacy Survey ...
wide-field images of the CFHTLS Deep Survey enable us to ...
sufficiently accurate two-point angular correlation funct...
a halo occupation distribution analysis. The mean halo ma...
with the stellar-mass limit of LBGs. Satellite fractions ...
galaxies, even at less massive halos, are found to drop s...
z=2 down to less than 0.04, at z=3-5, suggesting that sat...
galaxies form inefficiently even for less massive satelli...
compute stellar-to-halo mass ratios (SHMRs) assuming a ma...
of galaxies, which is found to provide SHMRs consistent w...
derived from a spectral energy distribution fitting metho...
observed SHMRs are in good agreement with model predictio...
the abundance-matching method, within 1sigma confidence i...
derive observationally, for the first time, the pivot hal...
is the halo mass at a peak in the star-formation efficien...
and it shows a small increasing trend with cosmic time at...
addition, the pivot halo mass and its normalization are f...
almost unchanged during 0<z<5. Our study provides observa...
evidence that galaxy formation is ubiquitously most effic...
halo mass of 10^12Msun over cosmic time.
:&aname(long0607){6/7}; Tomoya Kinugawa (U. Tokyo) compac...
Using our population synthesis code, we found that the ty...
:&aname(long0612){6/12}; Yamaç Pehlivan (Mimar Sina...
Neutrinos are the second most abundant particle species i...
the photons. Due to their small cross sections, their las...
(and hence their memory) lies deep within dense astrophys...
observational window to the Universe, neutrinos hold a gr...
equally exciting possibility is to use these observations...
minuscule properties under the Universe's most extreme co...
where, in the deep regions, neutrino-neutrino interaction...
oscillations into a nonlinear many-body phenomenon. Vario...
properties can be amplified by these nonlinear effects wi...
consequences. These can show themselves directly in a fut...
signal detected by Super-Kamiokande, or indirectly (throu...
nucleosynthesis) in elemental abundance surveys by Subaru...
:&aname(long0614){6/14}; Cemsinan Deliduman (Mimar Sinan ...
This talk will introduce an attempt to describe the diver...
:&aname(long0621){6/21}; Hiroyuki Kurokawa (ELSI, Tokyo T...
Exoplanet observations revealed that a significant fracti...
:&aname(long0628){6/28}; Masanobu Kunitomo (Nagoya Univer...
Recent theoretical work has shown that the pre-main seque...
:&aname(long0705){7/5}; Yuta Asahina (NAOJ CfCA) MHD Simu...
Co-evolution between central supermassive black holes and...
:&aname(long0712){7/12}; Shoko Oshigami (NAOJ CfCA) Mare ...
The Lunar Radar Sounder (LRS) onboard Kaguya (SELENE) det...
nearside maria. The lower limit volumes of the geologic u...
:&aname(long0726){7/26}; Jean Coupon (University of Genev...
The past decade has seen the emergence of new techniques ...
:&aname(long0927){9/27}; Takayoshi Kusune (NAOJ): Magnet...
Magnetic fields are believed to play an important role in...
:&aname(long1003){10/03}; Matthew Kenworthy (Leiden Obse...
Circumplanetary disks are part of the planet and moon for...
process, passing from an optically thick regime of gas an...
through to a planet with retinue of moons and Roche lobe ...
from the accreted material. There should therefore be a t...
phase where moons are beginning to form and these will cl...
in the circumplanetary disk, producing Hill sphere fillin...
hundreds of times larger than Saturn's rings.
We have seen evidence of these objects transiting their y...
with J1407, and more recently, with the young star PDS 11...
shows periodic eclipses lasting over two weeks of up to 3...
and the next eclipse is predicted to occur in September t...
star is 10th magnitude in the belt of Orion, and can be f...
the early morning skies from most places on Earth.
We are also following the Hill sphere transit of Beta Pic...
gas giant planet around a nearby bright star, and I will ...
the latest light curves from this experiment.
:&aname(long1004){10/04}; Yuri Aikawa (University of Tok...
Deuterium enrichments in molecules are found in star-form...
:&aname(long1010){10/10}; Peter Behroozi (University of A...
I discuss new methods to combine multiple datasets to max...
:&aname(long1018){10/18}; Ryosuke Hirai (Waseda Universit...
Compact binaries have rapidly attracted attention since t...
In this talk I will discuss the consequence of the "eject...
:&aname(long1019){10/19}; Sergey Blinnikov (Institute for...
Large amounts of mass may be expelled by a star a few ye...
:&aname(long1025){10/25}; Sho Fujibayashi (Kyoto Universi...
We perform general relativistic, long-term, axisymmetric ...
radiation hydrodynamics simulations for a remnant massive...
(MNS) surrounded by a torus, which is a canonical remnant...
the binary neutron star merger.
In this work, we take into account effects of viscosity w...
likely to arise in the merger remnant due to magnetohydro...
turbulence.
We find that two viscous effects play a key role for the ...
the remnant system and resulting mass ejection.
In the first ~10 ms, the structure of the MNS is changed ...
viscous angular momentum transport. As a result, a sound ...
subsequently becomes a shock wave, is formed in the vicin...
MNS and the shock wave leads to significant mass ejection.
For the longer-term evolution with ~ 0.1--10 s, viscous e...
torus surrounding the MNS play an important role for mass...
The mass ejection rate depends on the viscous parameter f...
ejection mechanisms, but even for the conservative alpha ...
parameter $\alpha_{\rm vis}\sim0.01$, total ejecta mass i...
5\times 10^{-3}\ M_\odot$ and for $\alpha_{\rm vis}\sim0....
be $0.02\ M_\odot$.
In this talk, I will explain the viscosity-driven mass ej...
processes and discuss the electromagnetic signal from the...
:&aname(long1102){11/02}; Wanggi Lim (NAOJ): Dust in Infr...
The dust grains play key roles to determine physical prop...
dense molecular structures. Despite of their importance, ...
toward dust properties is mostly dependent on experimenta...
theoretical models due to observational limits on high ex...
regions. Here we introduce Mid, Far and Spectroscopic inf...
extinction (MIREX, FIREX & SIREX) mapping methods that sh...
observational evidence of grain growth in extremely high ...
regions, i.e. Infrared Dark Clouds. We utilize archival i...
Spitzer-IRAC band 1-4 (3.5 - 8μm), WISE band 3 (12μm), Sp...
(24μm) and Herschel-PACS (70μm) in order to make MIREX & ...
an IRDC, G028.07+00.07. Spectroscopic data of Spitzer-IRS...
slit (15 to 38μm) is analyzed to produce a SIREX map of s...
pixel by pixel relative extinction laws of the IRDC show ...
evidence of dust grain growth via coagulation and ice man...
in the region of Av~10-100mag. We then compare mass surfa...
probability distribution functions (Σ-PDFs) of the IRDC and
surrounding giant molecular cloud (GMC) that are derived ...
map (8μm) and sub-mm (Herschel 160-500μm) dust emission b...
(via grey-body fit). The PDFs can be well fit by a single...
distribution, with only a small mass fraction (0.03-0.08)...
power-law tail, even though gas kinematics indicate the I...
are self-gravitating with virial parameter α~1. We also s...
effect of spectral index β variation against the mass fra...
high-Σ power-law tails.
:&aname(long1115){11/15}; Sanemichi Takahashi (Kogakuin U...
protostars simultaneously with them. Investigation of the...
of evolution of the protoplanetary disks is important to ...
how the star formation and the planet formation processes...
connected.
Recent observations with ALMA reveal the detailed structu...
protoplanetary disk at the early evolutionary stage. Shee...
Eisner 2017 found that the gap structure is formed in the
protoplanetary disk the protostar WL 17 within about 10 a...
structure is thought to be the feature of the old disks (...
called by transition disks. However, the age of WL 17 is ...
be a few times 10^5 yr. The mechanisms of the gap formati...
young disks have not been investigated well.
Sheehan and Eisner 2017 mentioned that the gap structure ...
the planet. However, the planets forming the gap have not...
observed, and it seems difficult to form the planet in th...
protoplanetary disks. Thus, it is important to investigat...
mechanism for the gap formation in the young disk. In thi...
discuss the gap formation by the disk wind in the young d...
17 using 1D disk model for the formation and evolution of
protoplanetary disks.
:&aname(long1122){11/22}; Wolfgang Loeffler (Heidelberg A...
The aim of the ESA Gaia mission is to chart the three-dim...
positions and motions of about 1 billion stars in our Mil...
Sky is an open-source, multi-platform, real-time, 3D, ast...
software being developed in the Gaia group of the Astrono...
Rechen-Institut (ZAH, Universität Heidelberg) to vis...
positions and motions. We will give an overview of the so...
features and catalogues which have already been released ...
Data Release 1 and which are under current development fo...
Data Relase 2. After briefly touching some technical aspe...
Gaia Sky implementation, we will present some educational...
scientific use cases.
:&aname(long1206){12/06}; Kazuyuki Sugimura (Tohoku Unive...
Seed black hole (BH) growth by gas accretion is supposed ...
:&aname(long1220){12/20}; Yutaka Hirai (NAOJ): The role o...
Recent astronomical observations have shown that there ar...
:&aname(long0117){1/17}; Kohei Hayashi (NAOJ): The univer...
Dwarf spheroidal galaxies (dSphs) are are excellent labor...
properties of dark matter because these galaxies are the ...
In this talk, we propose the universal dark halo scaling...
and M31.
We calculate the dark halo surface density within a radiu...
velocity, V_max, with respect to observed dSphs and simul...
MW-sized dark halos, and find that the values of surface ...
are in good agreement with those from observations even w...
This implies that this surface density would not be large...
Moreover, all subhalos on the small scales of dwarf satel...
of differences in their orbital evolutions, host halo pro...
In order to understand the origin of this universal dark ...
of subhalos and find that most of subhalos evolve general...
subhalos have undergone different histories of mass assem...
This sequence, therefore, should be the key feature to un...
:&aname(long0124){1/24}; Hiroshi Kobayashi (NAOJ): Three-...
We study clumpy outflows from supercritical accretion flo...
In this work, we find that the radiatively driven outflow...
:&aname(long0131){1/31}; Misako Tatsuuma (UTokyo): Gravit...
:&aname(long0131){1/31}; Kanji Mori (UTokyo): Quantum Mec...
:&aname(long0221){2/21}; Kaiki Inoue (Kinki University):D...
:&aname(long0328){3/28}; Tomoyuki Hanawa (Chiba Universit...
//:&aname(long0401){4/1}; Name (affiliation) title|
//Abstract
// ←ダブルスラッシュはコメントアウト
//:&aname(long0514){5/14}; 名前 タイトル|
//アブスト
//:&aname(long0521){5/21}; 名前 タイトル|
//アブスト
終了行:
#norelated
* 理論コロキウム2017 [#ec64c90a]
理論コロキウムは原則として毎週水曜日の午後13:30から開催し...
原則として英語で講演していただきますが、
講師・参加者が日本人だけの場合は日本語に切り替えてくださ...
台内・台外また分野を問わず広く発表者（台外の方には旅費・...
お問い合わせは以下のコロキウム係までお願いします（_AT_を@...
- 滝脇知也 takiwaki.tomoya_AT_nao.ac.jp~
- 片岡 章雅 akimasa.kataoka_AT_nao.ac.jp~
- Kenneth Wong ken.wong ATM nao.ac.jp~
- 高橋 博之 takahashi ATM cfca.jp~
- 平居 悠 yutaka.hirai ATM nao.ac.jp
//~理論コロキウムの前には台内の発表者による[[ショートコロ...
** Schedule & History [#o275f43a]
[[2010年度:http://th.nao.ac.jp/seminar/colloquium/2010/]]
[[2011年度:http://th.nao.ac.jp/seminar/colloquium/2011/in...
[[2012年度:http://th.nao.ac.jp/seminar/colloquium/2012/]]
[[2013年度:http://th.nao.ac.jp/seminar/colloquium/2013/]]
[[2014年度:http://th.nao.ac.jp/seminar/?Colloquium2014]]
[[2015年度:http://th.nao.ac.jp/seminar/?Colloquium2015]]
[[2016年度:http://th.nao.ac.jp/seminar/?Colloquium2016]]
|BGCOLOR(#ccf):|BGCOLOR(#ffc):|BGCOLOR(#cff):|BGCOLOR(#fc...
|Date|Speaker|Title|Place/Time|remarks|h
|BGCOLOR(#ddf):|BGCOLOR(#ffd):|BGCOLOR(#dff):|BGCOLOR(#fd...
//
//
|[[4/5>#long0405]]|all internal members|self-introduction...
|[[4/12>#long0412]]|Shing Chi Leung (Kavli IPMU)|Nucleosy...
|[[4/17>#long0417]]|Toshihiko Kawano (LANL/Tokyo Tech)|be...
|[[4/19>#long0419]]|Masaki Yamaguchi (U. Tokyo)|The numbe...
|[[4/26>#long0426]]| Tomohisa Kawashima (NAOJ DTA)|Radiat...
|[[5/08>#long0508]]| Jonathan C. Tan (University of Flori...
|[[5/10>#long0510]]| Shinpei Shibata (Yamagata University...
|[[5/17>#long0517]]| Tomohiro Ono (Kyoto University)| Lar...
|[[5/24>#long0524]]| Naonori Sugiyama (IPMU)| Kinematic S...
|[[5/31>#long0531]]| Shogo Ishikawa (NAOJ CfCA)|The Galax...
|[[6/7>#long0607]]| Tomoya Kinugawa (U. Tokyo)|Compact bi...
|[[6/12>#long0612]]|Yamaç Pehlivan (Mimar Sinan Univ...
|[[6/14>#long0614]]|Cemsinan Deliduman (Mimar Sinan Unive...
|[[6/21>#long0621]]|Hiroyuki Kurokawa (ELSI, Tokyo Tech)|...
|[[6/28>#long0628]]| Masanobu Kunitomo (Nagoya University...
|[[7/5>#long0705]]| Yuta Asahina (NAOJ CfCA)| MHD Simulat...
|[[7/12>#long0712]]| Shoko Oshigami (NAOJ CfCA)|Mare volc...
|[[7/19>#long0719]]| Shinsuke Takasao (Nagoya University)...
|[[7/26>#long0726]]| Jean Coupon (University of Geneva)|P...
|[[9/27>#long0927]]| Takayoshi Kusune (NAOJ)|Magnetic fie...
|[[10/03>#long1003]]| Matthew Kenworthy (Leiden Observato...
|[[10/04>#long1004]]| Yuri Aikawa (University of Tokyo)|D...
|[[10/10>#long1010]]| Peter Behroozi (University of Arizo...
|[[10/18>#long1018]]| Ryosuke Hirai (Waseda University)|U...
|[[10/19>#long1019]]| Sergey Blinnikov (Institute for The...
|[[10/25>#long1025]]| Sho Fujibayashi (Kyoto University)|...
|[[11/01>#long1101]]|No colloquium|NAOJ decadal workshop ...
|[[11/02>#long1102]]|Wanggi Lim (NAOJ)|Dust in Infrared D...
|[[11/08>#long1108]]|No colloquium|DTA workshop 2017 |||
|[[11/15>#long1115]]| Sanemichi Takahashi (Kogakuin Unive...
|[[11/22>#long1122]]| Wolfgang Loeffler (Heidelberg ARI)|...
|[[11/29>#long1129]]|No colloquium|CfCA UM |||
|[[12/06>#long1206]]| Kazuyuki Sugimura (Tohoku Universit...
|[[12/20>#long1220]]| Yutaka Hirai (NAOJ)|The role of enr...
|[[01/17>#long0117]]| Kohei Hayashi (NAOJ)|The universal ...
|[[01/24>#long0124]]| Hiroshi Kobayashi (NAOJ)|Three-Dime...
|[[01/31>#long0131]]| Misako Tatsuuma (UTokyo)|Gravitatio...
|[[01/31>#long0131]]| Kanji Mori (UTokyo)|Quantum Mechani...
|[[02/21>#long0221]]| Kaiki Inoue (Kinki University)|Dete...
|[[03/28>#long0328]]| Tomoyuki Hanawa (Chiba University)|...
** Confirmed speakers [#x254052f]
//|[[02/28>#long0228]]| Takashi Shibata (NAOJ)|TBD|Rinko-...
** Abstract [#p278348e]
:&aname(long0412){4/12}; Shing Chi Leung (Kavli IPMU) Nuc...
Type Ia supernovae (SNe Ia) are an important class of ast...
:&aname(long0417){4/17}; Toshihiko Kawano (LANL/Tokyo Tec...
We give a brief summary of our recent development of nucl...
theories with a particular focus on nuclear data producti...
r-process nucleosynthesis. The topics include calculation...
beta-delayed process for neutron-rich nuclei, where sever...
can be emitted, and eventually fission may take place as ...
Our recent studies on fission itself are also given.
:&aname(long0419){4/19}; Masaki Yamaguchi (U. Tokyo) The ...
Although it is believed that there are 10^8-9 stellar mas...
Gaia is now operated and have a capability to detect bina...
In my talk, I will show how many BHs can be detected by s...
:&aname(long0426){4/26}; Tomohisa Kawashima (NAOJ) Radiat...
Ultraluminous X-ray sources are off-centered, extragalact...
:&aname(long0508){5/08}; Jonathan C. Tan (University of F...
The Kepler-discovered systems with tightly-packed inner p...
:&aname(long0510){5/10}; Shinpei Shibata (Yamagata Univer...
I review physics of the rotation powered pulsars with spe...
:&aname(long0517){5/17}; Tomohiro Ono (Kyoto University) ...
Large-scale gas vortexes induced by the Rossby wave insta...
:&aname(long0524){5/24}; Naonori Sugiyama (IPMU) Kinemati...
Over the past few years, cosmologists have been able to m...
:&aname(long0531){5/31}; Shogo Ishikawa (NAOJ CfCA) The G...
We present the results of clustering analyses of Lyman br...
(LBGs) at z~3, 4, and 5 using the final data release of the
Canada–France–Hawaii Telescope Legacy Survey ...
wide-field images of the CFHTLS Deep Survey enable us to ...
sufficiently accurate two-point angular correlation funct...
a halo occupation distribution analysis. The mean halo ma...
with the stellar-mass limit of LBGs. Satellite fractions ...
galaxies, even at less massive halos, are found to drop s...
z=2 down to less than 0.04, at z=3-5, suggesting that sat...
galaxies form inefficiently even for less massive satelli...
compute stellar-to-halo mass ratios (SHMRs) assuming a ma...
of galaxies, which is found to provide SHMRs consistent w...
derived from a spectral energy distribution fitting metho...
observed SHMRs are in good agreement with model predictio...
the abundance-matching method, within 1sigma confidence i...
derive observationally, for the first time, the pivot hal...
is the halo mass at a peak in the star-formation efficien...
and it shows a small increasing trend with cosmic time at...
addition, the pivot halo mass and its normalization are f...
almost unchanged during 0<z<5. Our study provides observa...
evidence that galaxy formation is ubiquitously most effic...
halo mass of 10^12Msun over cosmic time.
:&aname(long0607){6/7}; Tomoya Kinugawa (U. Tokyo) compac...
Using our population synthesis code, we found that the ty...
:&aname(long0612){6/12}; Yamaç Pehlivan (Mimar Sina...
Neutrinos are the second most abundant particle species i...
the photons. Due to their small cross sections, their las...
(and hence their memory) lies deep within dense astrophys...
observational window to the Universe, neutrinos hold a gr...
equally exciting possibility is to use these observations...
minuscule properties under the Universe's most extreme co...
where, in the deep regions, neutrino-neutrino interaction...
oscillations into a nonlinear many-body phenomenon. Vario...
properties can be amplified by these nonlinear effects wi...
consequences. These can show themselves directly in a fut...
signal detected by Super-Kamiokande, or indirectly (throu...
nucleosynthesis) in elemental abundance surveys by Subaru...
:&aname(long0614){6/14}; Cemsinan Deliduman (Mimar Sinan ...
This talk will introduce an attempt to describe the diver...
:&aname(long0621){6/21}; Hiroyuki Kurokawa (ELSI, Tokyo T...
Exoplanet observations revealed that a significant fracti...
:&aname(long0628){6/28}; Masanobu Kunitomo (Nagoya Univer...
Recent theoretical work has shown that the pre-main seque...
:&aname(long0705){7/5}; Yuta Asahina (NAOJ CfCA) MHD Simu...
Co-evolution between central supermassive black holes and...
:&aname(long0712){7/12}; Shoko Oshigami (NAOJ CfCA) Mare ...
The Lunar Radar Sounder (LRS) onboard Kaguya (SELENE) det...
nearside maria. The lower limit volumes of the geologic u...
:&aname(long0726){7/26}; Jean Coupon (University of Genev...
The past decade has seen the emergence of new techniques ...
:&aname(long0927){9/27}; Takayoshi Kusune (NAOJ): Magnet...
Magnetic fields are believed to play an important role in...
:&aname(long1003){10/03}; Matthew Kenworthy (Leiden Obse...
Circumplanetary disks are part of the planet and moon for...
process, passing from an optically thick regime of gas an...
through to a planet with retinue of moons and Roche lobe ...
from the accreted material. There should therefore be a t...
phase where moons are beginning to form and these will cl...
in the circumplanetary disk, producing Hill sphere fillin...
hundreds of times larger than Saturn's rings.
We have seen evidence of these objects transiting their y...
with J1407, and more recently, with the young star PDS 11...
shows periodic eclipses lasting over two weeks of up to 3...
and the next eclipse is predicted to occur in September t...
star is 10th magnitude in the belt of Orion, and can be f...
the early morning skies from most places on Earth.
We are also following the Hill sphere transit of Beta Pic...
gas giant planet around a nearby bright star, and I will ...
the latest light curves from this experiment.
:&aname(long1004){10/04}; Yuri Aikawa (University of Tok...
Deuterium enrichments in molecules are found in star-form...
:&aname(long1010){10/10}; Peter Behroozi (University of A...
I discuss new methods to combine multiple datasets to max...
:&aname(long1018){10/18}; Ryosuke Hirai (Waseda Universit...
Compact binaries have rapidly attracted attention since t...
In this talk I will discuss the consequence of the "eject...
:&aname(long1019){10/19}; Sergey Blinnikov (Institute for...
Large amounts of mass may be expelled by a star a few ye...
:&aname(long1025){10/25}; Sho Fujibayashi (Kyoto Universi...
We perform general relativistic, long-term, axisymmetric ...
radiation hydrodynamics simulations for a remnant massive...
(MNS) surrounded by a torus, which is a canonical remnant...
the binary neutron star merger.
In this work, we take into account effects of viscosity w...
likely to arise in the merger remnant due to magnetohydro...
turbulence.
We find that two viscous effects play a key role for the ...
the remnant system and resulting mass ejection.
In the first ~10 ms, the structure of the MNS is changed ...
viscous angular momentum transport. As a result, a sound ...
subsequently becomes a shock wave, is formed in the vicin...
MNS and the shock wave leads to significant mass ejection.
For the longer-term evolution with ~ 0.1--10 s, viscous e...
torus surrounding the MNS play an important role for mass...
The mass ejection rate depends on the viscous parameter f...
ejection mechanisms, but even for the conservative alpha ...
parameter $\alpha_{\rm vis}\sim0.01$, total ejecta mass i...
5\times 10^{-3}\ M_\odot$ and for $\alpha_{\rm vis}\sim0....
be $0.02\ M_\odot$.
In this talk, I will explain the viscosity-driven mass ej...
processes and discuss the electromagnetic signal from the...
:&aname(long1102){11/02}; Wanggi Lim (NAOJ): Dust in Infr...
The dust grains play key roles to determine physical prop...
dense molecular structures. Despite of their importance, ...
toward dust properties is mostly dependent on experimenta...
theoretical models due to observational limits on high ex...
regions. Here we introduce Mid, Far and Spectroscopic inf...
extinction (MIREX, FIREX & SIREX) mapping methods that sh...
observational evidence of grain growth in extremely high ...
regions, i.e. Infrared Dark Clouds. We utilize archival i...
Spitzer-IRAC band 1-4 (3.5 - 8μm), WISE band 3 (12μm), Sp...
(24μm) and Herschel-PACS (70μm) in order to make MIREX & ...
an IRDC, G028.07+00.07. Spectroscopic data of Spitzer-IRS...
slit (15 to 38μm) is analyzed to produce a SIREX map of s...
pixel by pixel relative extinction laws of the IRDC show ...
evidence of dust grain growth via coagulation and ice man...
in the region of Av~10-100mag. We then compare mass surfa...
probability distribution functions (Σ-PDFs) of the IRDC and
surrounding giant molecular cloud (GMC) that are derived ...
map (8μm) and sub-mm (Herschel 160-500μm) dust emission b...
(via grey-body fit). The PDFs can be well fit by a single...
distribution, with only a small mass fraction (0.03-0.08)...
power-law tail, even though gas kinematics indicate the I...
are self-gravitating with virial parameter α~1. We also s...
effect of spectral index β variation against the mass fra...
high-Σ power-law tails.
:&aname(long1115){11/15}; Sanemichi Takahashi (Kogakuin U...
protostars simultaneously with them. Investigation of the...
of evolution of the protoplanetary disks is important to ...
how the star formation and the planet formation processes...
connected.
Recent observations with ALMA reveal the detailed structu...
protoplanetary disk at the early evolutionary stage. Shee...
Eisner 2017 found that the gap structure is formed in the
protoplanetary disk the protostar WL 17 within about 10 a...
structure is thought to be the feature of the old disks (...
called by transition disks. However, the age of WL 17 is ...
be a few times 10^5 yr. The mechanisms of the gap formati...
young disks have not been investigated well.
Sheehan and Eisner 2017 mentioned that the gap structure ...
the planet. However, the planets forming the gap have not...
observed, and it seems difficult to form the planet in th...
protoplanetary disks. Thus, it is important to investigat...
mechanism for the gap formation in the young disk. In thi...
discuss the gap formation by the disk wind in the young d...
17 using 1D disk model for the formation and evolution of
protoplanetary disks.
:&aname(long1122){11/22}; Wolfgang Loeffler (Heidelberg A...
The aim of the ESA Gaia mission is to chart the three-dim...
positions and motions of about 1 billion stars in our Mil...
Sky is an open-source, multi-platform, real-time, 3D, ast...
software being developed in the Gaia group of the Astrono...
Rechen-Institut (ZAH, Universität Heidelberg) to vis...
positions and motions. We will give an overview of the so...
features and catalogues which have already been released ...
Data Release 1 and which are under current development fo...
Data Relase 2. After briefly touching some technical aspe...
Gaia Sky implementation, we will present some educational...
scientific use cases.
:&aname(long1206){12/06}; Kazuyuki Sugimura (Tohoku Unive...
Seed black hole (BH) growth by gas accretion is supposed ...
:&aname(long1220){12/20}; Yutaka Hirai (NAOJ): The role o...
Recent astronomical observations have shown that there ar...
:&aname(long0117){1/17}; Kohei Hayashi (NAOJ): The univer...
Dwarf spheroidal galaxies (dSphs) are are excellent labor...
properties of dark matter because these galaxies are the ...
In this talk, we propose the universal dark halo scaling...
and M31.
We calculate the dark halo surface density within a radiu...
velocity, V_max, with respect to observed dSphs and simul...
MW-sized dark halos, and find that the values of surface ...
are in good agreement with those from observations even w...
This implies that this surface density would not be large...
Moreover, all subhalos on the small scales of dwarf satel...
of differences in their orbital evolutions, host halo pro...
In order to understand the origin of this universal dark ...
of subhalos and find that most of subhalos evolve general...
subhalos have undergone different histories of mass assem...
This sequence, therefore, should be the key feature to un...
:&aname(long0124){1/24}; Hiroshi Kobayashi (NAOJ): Three-...
We study clumpy outflows from supercritical accretion flo...
In this work, we find that the radiatively driven outflow...
:&aname(long0131){1/31}; Misako Tatsuuma (UTokyo): Gravit...
:&aname(long0131){1/31}; Kanji Mori (UTokyo): Quantum Mec...
:&aname(long0221){2/21}; Kaiki Inoue (Kinki University):D...
:&aname(long0328){3/28}; Tomoyuki Hanawa (Chiba Universit...
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