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2015.11.30-12.6

11月30日(月)13:30~15:00  太陽系小天体セミナー   南棟2階会議室
Nov 30 Mon   Solar System Minor Body Seminar   Conference Room, South Bldg.2F

12月2日(水)10:30~12:00  総研大コロキウム   中央棟(北)1F講義室
Dec 2 Wed   SOKENDAI colloquium         Lecture Room

12月2日(水)14:10~15:10  理論コロキウム    中央棟(北)1F講義室
Dec 2 Wed   DTA Colloquium           Lecture Room

12月4日(金)13:30~15:00  太陽天体プラズマセミナー  院生セミナー室
Dec 4 Fri   Solar and Space Plasma (SSP) Seminar    Student Seminar Room, Subaru bldg.

詳細は以下をご覧下さい。

11月30日(月)

キャンパス
三鷹
セミナー名
太陽系小天体セミナー
臨時・定例の別
定例
日時
11月30日(月曜日)13時30分~15時
場所
南棟2階会議室
講演者
臼井文彦・古荘玲子
連絡先
 名前:渡部潤一
備考
テレビ会議またはスカイプによる参加も可

12月2日(水)

Campus
Mitaka
Seminar Name
SOKENDAI colloquium
Regular/Irregular
Regular
Date
10:30-12:00, Dec 2, 2015
Place
講義室, Lectrure Room (IP: 133.40.2.229)
Speaker 1
Haruka Baba
Affiliation
D1, SOKENDAI
Title
TBA
Speaker 2
Ayumu Matsuzawa
Affiliation
D3, SOKENDAI (supervisor: Satoru Iguchi)
Title
Study on the Verification Method of Pointing Performance of Submillimeter Wavelength Antenna through the ALMA
Organizer
Name : Ryosuke Nagasawa

Comment
TV conference connection is available from Hawaii, Nobeyama, Mizusawa and Okayama.

12月2日(水)

Campus
Mitaka
Seminar
DTA colloquium
Regular/Irregular
Regular
Date
2 Dec 2015, 14:10-15:10
Place
Lecture Room
Speaker
Tjarda, Boekholt
Affiliation
Leiden University
Title
Chaos in N-body systems: Application to triple stars and Halley’s comet
Abstract
N-body simulations are used to study the dynamical evolution of planetary systems, star clusters, galaxies and large scale structure. These systems are often chaotic, in the sense that they are highly sensitive to initial conditions. In the first part of my talk, I focus on the growth of small numerical errors, to determine the reliability of N-body results, specifically those of chaotic triple systems. In the second part I study the growth of a small, physical perturbation in order to study the stability of the orbit of comet Halley.
Facilitator
-Name: Seiji Zenitani

12月4日(金)

Campus
Mitaka
Seminar
Solar and Space Plasma Seminar
Regular/Irregular
Regular
Date
13:30-15:00, 4 December (Fri)
Place
Small Seminar Room, Subaru Building
Speaker
Tetsuya Watanabe
Affiliation
National Astronomical Observatory of Japan
Title
The Solar-C Mission: Current Status and Future Direction
Abstract
Solar-C is a Japanese-led international solar observing mission designed to answer some of the most important questions in solar physics. Recent space missions revealed that the different parts of the magnetized solar atmosphere are essentially coupled and they have defined the spatial scales and temperature regimes that need to be observed in order to achieve a comprehensive physical understanding of this coupling. The science of Solar-C will greatly advance our understanding of the Sun, of basic physical processes operating throughout the universe, and of how the Sun influences the Earth and other planets in our solar system.
The Solar-C mission proposal was submitted to ISAS/JAXA in response to the JAXA AO for the first launch of the strategic medium-size (SM) mission together with the EPIC (European Participation In solar-C) proposal submitted to ESA, but neither of them was unfortunately successful. The ISAS/JAXA evaluation committee concluded that the working group should re-study the mission by intensifying its science with more affordable scheme of international collaboration.
Talking to NASA, we are going to start the discussion hopefully in the Joint Solar-C Science Definition Team (JSSDT) composed of scientific specialists who have been selected to represent the broad interests of the heliophysics research community. The primary role of the JSSDT is to develop and document scientific goals and priorities of a new potential multilateral Solar-C mission within the resources to be specified by the Agencies.
The Solar-C mission is now aiming primarily for the second SM launch scheduled in FY 2024 – 25 with its intensified science and possibly with the new international task shares for the new instrument configuration.
Facilitator
-Name: Shin Toriumi

以上

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