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2016.10.31-11.6

10月31日(月)13:30~15:00   太陽系小天体セミナー   南棟2階会議室
Oct 31 mon        Solar System Minor Body Seminar  Conference Room, South Bldg.2F

11月2日(水)10:30~12:00   総研大コロキウム     中央棟(北)1F講義室
Nov 2 wed           SOKENDAI Colloquium   Lecture room

11月2日(水)13:30~14:30  理論コロキウム     コスモス会館会議室                        
Nov 2 wed           DTA colloquium   Conference Room, Cosmos Lodge                       

11月4日(金)16:00~17:00  国立天文台談話会     大セミナー室
Nov 4 fri            NAOJ Seminar      Large Seminar Room

詳細は以下をご覧下さい。

10月31日(月)

キャンパス
三鷹
セミナー名
太陽系小天体セミナー
定例・臨時の別
定例
日時
10月31日(月曜日)13時30分~15時
場所
南棟2階会議室
講演者
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

11月2日(水)

Campus
Mitaka, Nobeyama, Mizusawa, Okayama, Hawaii, etc()
Seminar
SOKENDAI colloquium
Regularly Scheduled/Sporadic
Regularly Scheduled Date and time:10:30-12:00, Nov. 2, 2016
Place
Lecture Room
Speaker
(1) Nagaaki Kambara, (2) Prashant Pathak Affiliation : (1) M2 , Sokendai, Mitaka (supervisor : Takashi Sekii, Tetsuya Watanabe, Masahito Kubo), (2) D3, Sokendai, Hawaii (supervisor : Prof. Hideki Takami)
Title
(1) Interpreting the double-ridge structure in high-frequency time-distance diagrams, (2) Close loop correction of residual atmospheric dispersion in high-contrast imaging systems.
Abstract
(optional) (2) For direct imaging of habitable exoplanets from ground-based telescopes, it is crucial to correct for all the wavefront errors. One such error comes atmospheric refraction, in this talk, I will talk about why it is important to correct for refraction to the highest degree and how it can be achieved.
Facilitator
-Name:Hisakazu Uchiyama

Comment
(optional) Language, attending by Video conference system acceptable or not, and related information (IP address etc.)

11月2日(水)

Campus
Mitaka
Seminar
DTA colloquium
Regularly Scheduled/Sporadic
Regularly Scheduled Date and time:02 November 2016, 13:30-14:30
Place
Conference Room, Cosmos Lodge
Speaker
Sergei Blinnikov
Affiliation
Institute for Theoretical and Experimental Physics
Title
Superluminous Supernovae: Current Status of Research
Abstract
Many supernovae are discovered in last decade with peak luminosity one-two orders of magnitude higher than for normal supernovae of known types. They are called Superluminous supernovae: SLSNe. This is a challenge for theory, since even normal supernovae are not yet completely understood from the first principles. The models explaining those events with the minimum energy budget involve multiple ejections of mass in presupernova stars. The radiative shocks produced in collisions of those shells may provide the required power of light. This class of the models is refered to as “interacting” supernovae. I concentrate on the non-trivial problems of this scenario for SLSNe: stability of the shells, on “bumps” in the light curves, and on the broad lines often observed in their spectra.
Facilitator
-Name:Tomoya Takiwaki

Comment
in English=

11月4日(金)

キャンパス
三鷹
セミナー名
国立天文台談話会
定例・臨時の別
定例
日時
11月4日(金) 16:00-17:00
場所
大セミナー室
講演者
Chris Done
所属
Durham University
タイトル
” The nature of the accretion flow in Active Galactic Nuclei”
Abstract
Understanding the accretion flow in AGN has recently become an important cosmological problem as AGN feedback via winds and the jet is now known to control the star formation powered growth of galaxies. However, we have no current global models for the power carried by these components, nor do we know how they tie to the accretion flow, which is not surprising as we do not understand the structure of the accretion flow itself. I will review what we know about the way the observed spectral energy distribution changes with mass and mass accretion rate, and propose a global model for the accretion flow structure which includes the soft X-ray excess.
I use this accretion flow structure as the basis for a proposed quantitive model for the power carried by winds and jets.

連絡先
-名前:松田 有一

以上

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