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| = GW research exchange meeting = | |
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| == 重力波研究交流会とは? == | |
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| * [[gw_talks/what_is|重力波研究交流会とは?]] | * [[gw_talks/what_is|What is GW REM? （重力波研究交流会とは?）]] * [[#UsefulLinks | Useful Links ]] * [[#HowToAnnouncements | How to receive announcements ]] <<BR>> == Upcoming GW-REMs == ---- === The 103rd REM: December === ---- * Time: 13:00-14:00 * Speaker: TBA * Title: TBA * [[Link to the material will be here]] <<BR>> === The 102nd REM: November 15th, 2019, Friday === ---- * Time: 13:00-14:00 * Location: ICRR, the Kashiwanoha campus (tentative) * Speaker: Kyohei Kawaguchi (ICRR, University of Tokyo) * Title: ''"Modeling gravitational waveforms and electromagnetic signals from neutron star binary mergers"'' * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10990| Link to the material]] * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| == 次回の重力波研究交流会 == ---- === 第73回 2015年1月23日（金） === |
== The past GW REM talks == |
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| * 場所 Seevogh上 | |
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| * 時間 13:00-15:00 | === The 101st REM / ISAS Astrophysics Colloquium : August 9th, 2019, Friday === ---- |
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| * Talk1:苔山圭以子(Louisiana State Univ.) *「A recap of the aLIGO input mode cleaner（仮）」 |
* Time: 13:00-14:00 |
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| * Talk2:中野雅之(宇宙線研) *「KAGRA入射光学系報告（仮）」 |
* Location: Room 1537, Bild.A, 5F in JAXA Sagamihara campus |
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| * Talk3:斉藤高広(新潟大) *「IMCサスペンション報告（仮）」 |
* Speaker: Morio Toyoshima (NICT) * Title: ''"Recent Trends of Space Laser Communications"'' * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10526 | a link to the material (password protected)]] * Information for Zoom remote connection * Meeting URL: https://zoom.us/j/5045179604 * password: ask an organizer * Jointly organized with [[http://www.isas.jaxa.jp/home/astro_colloq/|the ISAS Astrophysics Colloquia]] |
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| * Seevogh 接続情報 *Title: *Community: *Password: *Meeting Access Information: |
<<BR>> === The 100th REM: July 12th, 2019, Friday === ---- * Time: 13:00-14:00 * Speaker: Shoichi Oshino (ICRR, the University of Tokyo) * Title: ''"A review on BBH formations in N-body simulations"'' * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10440|pdf]] * Abstract: {{{ Since the first gravitational wave was detected by LIGO, several BH merging events have already been observed. However, the process of BBH formation is still unclear. Here, I introduce studies that use N-body simulations to investigate BBH formation by gravitational interactions in star clusters. }}} * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers <<BR>> === The 99th REM: June 14th, 2019, Friday === ---- * Time: 13:00-14:00 * Speaker: Hisaaki Shinkai (Osaka Inst. Tech.) * Title: ''"INO: Interplanetary Network of Optical Lattice Clocks"'' * ref: Int. J. Mod. Phys. D. (2019) https://doi.org/10.1142/S0218271819400029 or [[https://arxiv.org/abs/1809.10317| arXiv:1809.10317]] * [[http://www.oit.ac.jp/is/shinkai/Viewgraphs/201906_GW_INO_shinkai.pdf|slide pdf]] * Abstract {{{ The new technique of measuring frequency by optical lattice clocks now approaches to the relative precision of (\Delta f/f)=O(10^{-18}). We propose to place such precise clocks in space and to use Doppler tracking method for detecting low-frequency gravitational wave below 1 Hz. Our idea is to locate three satellites at one A.U. distance (say at L1, L4 & L5 of the Sun-Earth orbit), and apply the Doppler tracking method by communicating ``the time" each other. Applying the current available technologies, we obtain the sensitivity for gravitational wave with three or four-order improvement (h_{n}\sim 10^{-17} or 10^{-18} level in 10^{-5} Hz -- 1 Hz) than that of Cassini satellite in 2001. This sensitivity enables us to observe black-hole mergers of their mass greater than 10^5 M_\odot in the cosmological scale. Based on the hierarchical growth model of black-holes in galaxies, we estimate the event rate of detection will be 20-50 a year. We nickname "INO" (Interplanetary Network of Optical Lattice Clocks) for this system, named after Tadataka Ino (1745--1818), a Japanese astronomer, cartographer, and geodesist. }}} * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers <<BR>> |
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| <<BR>> == 過去の重力波研究交流会 == ---- === 第72回 2014年12月19日（金） === |
=== The 98th REM: May 17th, 2019, Friday === |
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| * 場所 東大宇宙線研 | * Time: 13:00-14:00 |
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| * 時間 13:00-15:00 | * Speaker: Federico Paoletti and Irene Fiori (European Gravitational Observatory) * Title: ''"Virgo environmental status"'' * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=10215|pdf]] * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| * Talk1:土井康平（宇宙線研究所） 発表資料：なし * Talk2:和泉究（LIGO ハンフォード）[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3117|発表資料]] * Seevogh (evo) 接続情報 *Title: JGW Monthly Seminar *Community: Virgo-LSC *Password: アナウンスメールを参照して下さい。 *Meeting Access Information: |
<<BR>> |
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=== 第71回 2014年11月21日 === |
== Archives for the past talks == |
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* 場所 東京大学安東研 * 時間 13:00-15:00 * Talk1: 宇佐見康二(東大先端研) *「光-マグノン-マイクロ波-超伝導量子ビットのリンクあるいは量子ピタゴラスイッチ」 [[http://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0030/G1403012/001/2014_11_21_Hongo_n.pdf| 発表資料]] * Talk2: 和泉究(LIGO Hanford) *「LIGO Hanford での signal recycling cavity 内 mode hop 問題について（仮）」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=2995| 発表資料]] * Seevogh (evo) 接続情報 *Title: JGW Monthly Seminar(true) *Community: Virgo - LSC *Password: アナウンスメールを参照してください。 *Meeting Access Information: *SeeVoghRN Application http://research.seevogh.com/joinSRN?meeting=MMMeMn2D2iDMDu929lD29M *WebStart (Java) http://research.seevogh.com/join?meeting=MMMeMn2D2iDMDu929lD29M *Mobile App : Meeting ID: 713 3002 or Link: http://research.seevogh.com/join?meeting=MMMeMn2D2iDMDu929lD29M |
* Most of the archives for the earlier years are written in Japanese (it is a history!). . {i} [[gw_talks/archive_101_110|101-110th GW-REM talks (2019-)]] . {i} [[gw_talks/archive_91_100|91-100th GW-REM talks (2017-2019)]] . {i} [[gw_talks/archive_81_90|81-90th GW-REM talks (2016-2017) ]] . {i} [[gw_talks/archive_71_80|71-80th GW-REM talks (2014-2015) ]] . {i} [[gw_talks/archive_61_70|61-70th GW-REM talks (2013-2014) ]] . {i} [[gw_talks/archive_51_60|51-60th GW-REM talks (2012-2013) ]] . {i} [[gw_talks/archive_41_50|41-50th GW-REM talks (2011-2012) ]] . {i} [[gw_talks/archive_31_40|31-40th GW-REM talks (2010-2011) ]] . {i} [[gw_talks/archive_21_30|21-30th GW-REM talks (2009-2010) ]] . {i} [[gw_talks/archive_11_20|11-20th GW-REM talks (2008-2009) ]] . {i} [[gw_talks/archive_1_10|1-10th GW-REM talks (2007-2008) ]] |
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| == これ以前の重力波研究交流会 == | <<Anchor(UsefulLinks)>> == Useful links == |
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| * [[JGWDoc/HowTo/UpLoadE| How to upload presentation materials to JGW doc database]] | |
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| {i} [[gw_talks/archive_61_70|第61回～第70回重力波研究交流会]] | * [[ZoomHowTo | How to use Zoom]] |
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| {i} [[gw_talks/archive_51_60|第51回～第60回重力波研究交流会]] | * [[LCGT/Meeting/EVOJ| Use of EVO remote connection system (written in Japanese) ]] |
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| {i} [[gw_talks/archive_41_50|第41回～第50回重力波研究交流会]] {i} [[gw_talks/archive_31_40|第31回～第40回重力波研究交流会]] {i} [[gw_talks/archive_21_30|第21回～第30回重力波研究交流会]] {i} [[gw_talks/archive_11_20|第11回～第20回重力波研究交流会]] {i} [[gw_talks/archive_1_10|第1回～第10回重力波研究交流会]] |
* [[howtouseezuce| How to join KEK community in eZuce]] |
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| == 暮らしに役立つリンク == | <<Anchor(HowToAnnouncements)>> == How to receive the announcements == |
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| * [[JGWDoc/HowTo/UpLoad | 資料の upload の仕方]] * [[LCGT/Meeting/EVOJ| EVO遠隔会議システムの使い方あれこれ]] |
. /!\ One has to subscribe to the mailing list called ''gw_comm'' in order to receive our announcement emails. Please ask one of our organizers for subscription. . The organizers can be found in [[gw_talks/what_is|this page]]. |
重力波研究交流会
GW research exchange meeting
Upcoming GW-REMs
The 103rd REM: December
- Time: 13:00-14:00
- Speaker: TBA
- Title: TBA
The 102nd REM: November 15th, 2019, Friday
- Time: 13:00-14:00
- Location: ICRR, the Kashiwanoha campus (tentative)
- Speaker: Kyohei Kawaguchi (ICRR, University of Tokyo)
Title: "Modeling gravitational waveforms and electromagnetic signals from neutron star binary mergers"
- Zoom connection information
Meeting URL: https://zoom.us/j/5045179604
- password: ask the organizers
The past GW REM talks
The 101st REM / ISAS Astrophysics Colloquium : August 9th, 2019, Friday
- Time: 13:00-14:00
- Location: Room 1537, Bild.A, 5F in JAXA Sagamihara campus
- Speaker: Morio Toyoshima (NICT)
Title: "Recent Trends of Space Laser Communications"
- Information for Zoom remote connection
Meeting URL: https://zoom.us/j/5045179604
- password: ask an organizer
Jointly organized with the ISAS Astrophysics Colloquia
The 100th REM: July 12th, 2019, Friday
- Time: 13:00-14:00
- Speaker: Shoichi Oshino (ICRR, the University of Tokyo)
Title: "A review on BBH formations in N-body simulations"
- Abstract:
Since the first gravitational wave was detected by LIGO, several BH merging events have already been observed. However, the process of BBH formation is still unclear. Here, I introduce studies that use N-body simulations to investigate BBH formation by gravitational interactions in star clusters.
- Zoom connection information
Meeting URL: https://zoom.us/j/5045179604
- password: ask the organizers
The 99th REM: June 14th, 2019, Friday
- Time: 13:00-14:00
- Speaker: Hisaaki Shinkai (Osaka Inst. Tech.)
Title: "INO: Interplanetary Network of Optical Lattice Clocks"
ref: Int. J. Mod. Phys. D. (2019) https://doi.org/10.1142/S0218271819400029 or arXiv:1809.10317
- Abstract
The new technique of measuring frequency by optical lattice clocks now approaches to the relative precision of (\Delta f/f)=O(10^{-18}). We propose to place such precise clocks in space and to use Doppler tracking method for detecting low-frequency gravitational wave below 1 Hz. Our idea is to locate three satellites at one A.U. distance (say at L1, L4 & L5 of the Sun-Earth orbit), and apply the Doppler tracking method by communicating ``the time" each other. Applying the current available technologies, we obtain the sensitivity for gravitational wave with three or four-order improvement (h_{n}\sim 10^{-17} or 10^{-18} level in 10^{-5} Hz -- 1 Hz) than that of Cassini satellite in 2001. This sensitivity enables us to observe black-hole mergers of their mass greater than 10^5 M_\odot in the cosmological scale. Based on the hierarchical growth model of black-holes in galaxies, we estimate the event rate of detection will be 20-50 a year. We nickname "INO" (Interplanetary Network of Optical Lattice Clocks) for this system, named after Tadataka Ino (1745--1818), a Japanese astronomer, cartographer, and geodesist.
- Zoom connection information
Meeting URL: https://zoom.us/j/5045179604
- password: ask the organizers
The 98th REM: May 17th, 2019, Friday
- Time: 13:00-14:00
- Speaker: Federico Paoletti and Irene Fiori (European Gravitational Observatory)
Title: "Virgo environmental status"
- Zoom connection information
Meeting URL: https://zoom.us/j/5045179604
- password: ask the organizers
Archives for the past talks
- Most of the archives for the earlier years are written in Japanese (it is a history!).
Useful links
How to receive the announcements
![/!\](/moin_static193/modern/img/alert.png "/!\")
One has to subscribe to the mailing list called gw_comm in order to receive our announcement emails. Please ask one of our organizers for subscription. The organizers can be found in this page.