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| = GW research exchange meeting = |
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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 ]] |
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| == 次回以降の重力波研究交流会 == | == Upcoming GW-REMs == ---- === The 103rd REM: December === |
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| === 第85回 2017年3月3日（金） === ---- * 場所 東大三尾研 |
* Time: 13:00-14:00 |
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| * 時間 13:00-15:00 * Talk 1: 柳光孝紀(三尾研M2) * 「Photothermal Common-path Interferometryを用いたMoth eye構造の吸収率測定」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6298|発表資料]] * Talk 2: 池田浩太(三尾研M2) * 「重力波検出器KAGRAのための高出力レーザー光源の高度化」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6301|発表資料]] * Talk 3: 堀場貴裕(三尾研B4) * 「遺伝的アルゴリズムを用いた波面補正によるビーム品質改善法の研究」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6299|発表資料]] * eZuce 接続情報 * Title: JGW monthly seminar * Community: KEK Community * Password: 案内メールを参照ください。 * Meeting Access Information: * eZuce SRN Application http://srn.ezuce.com/joinSRN?meeting=MDMaM82M2IDIDM929tD99D * Mobile App : Meeting ID: 765 8217 or Link: http://srn.ezuce.com/join?meeting=MDMaM82M2IDIDM929tD99D |
* Speaker: TBA * Title: TBA * [[Link to the material will be here]] |
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| == 過去の重力波研究交流会 == | === The 102nd REM: November 15th, 2019, Friday === |
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| === 第84回 2017年2月17日（金） === ---- * 場所 国立天文台三鷹 |
* Time: 13:00-14:00 |
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| * 時間 13:00-15:00 | * Location: ICRR, the Kashiwanoha campus (tentative) |
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| * Talk 1: 諸隈智貴（東大天文） * 「J-GEM: Japanese GW-EM Follow-up Group in Optical, Near-Infrared, and Radio Wavelengths 」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6264|発表資料]] |
* 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]] |
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| * Talk 2: 山本広大 (京大宇宙物理) * 「地上望遠鏡による太陽系外惑星の撮像観測のための極限補償光学系開発」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6103|発表資料]] |
* Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| * eZuce 接続情報 * Title: JGW monthly seminar * Community: KEK Community * Password: 案内メールを参照ください。 * Meeting Access Information: * eZuce SRN Application http://srn.ezuce.com/joinSRN?meeting=MtM8Ma2u22DiDM9t99Ds9t * Mobile App : Meeting ID: 765 1108 or Link: http://srn.ezuce.com/join?meeting=MtM8Ma2u22DiDM9t99Ds9t |
|
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| === 第83回 2017年1月27日（金） === | == The past GW REM talks == |
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| * 場所 リモート接続 | |
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| * 時間 13:00-15:00 | |
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| * Talk 1: 花田英夫（国立天文台水沢） * 「絶対重力計の開発と最近の動向」 [[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6102|発表資料]] * Talk 2: 山本広大 (京大宇宙物理) * 「地上望遠鏡による太陽系外惑星の撮像観測のための極限補償光学系開発」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=6103|発表資料]] |
=== The 101st REM / ISAS Astrophysics Colloquium : August 9th, 2019, Friday === ---- |
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| * eZuce 接続情報 * Title: JGW seminar * Community: KEK Community * Password: 案内メールを参照ください。 * Meeting Access Information: * eZuce SRN Application http://srn.ezuce.com/joinSRN?meeting=M9MIMi222uD9D89s98DD99 * Mobile App : Meeting ID: 763 5874 or Link: http://srn.ezuce.com/join?meeting=M9MIMi222uD9D89s98DD99 |
* 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"'' * [[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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| === 第82回 2016年3月4日（金） === | === The 100th REM: July 12th, 2019, Friday === |
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| * 場所 東工大宗宮研 | |
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| * 時間 13:00-15:00 | * Time: 13:00-14:00 |
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| * Talk 1: Tjark Miener (東工大M1) * 「Search for new radio pulsars via coincidence in the Einstein@Home and Cornell result databases」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4940|発表資料]] * Talk 2: 和泉 究 (LIGO Hanford) * 「Advanced LIGO の信号校正」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4912|発表資料]] |
* 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. |
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| * Seevogh 接続情報 * Title: JGW monthly seminar * Community: KEK Community * Password: 案内メールを参照のこと * Meeting Access Information: . SeeVoghRN Application http://research.seevogh.com/joinSRN?meeting=vsvivIeleDI8IIaDasItas Mobile App : Meeting ID: 745 4985 or Link: http://research.seevogh.com/join?meeting=vsvivIeleDI8IIaDasItas |
}}} * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| === 第81回 2016年1月29日（金） === | === The 99th REM: June 14th, 2019, Friday === |
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| * 場所 東大宇宙線研 | |
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| * 時間 13:00-15:00 | * Time: 13:00-14:00 |
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| * Talk 1: Kieran Craig (ICRR) * 「Coating mechanical loss, spectroscopy and coating thermal noise」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4773|発表ファイル]] * Talk 2: 樊 星 (東大 浅井研) * 「パルス磁石とFabry-Perot共振器を用いた真空複屈折の探索」[[http://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=4774|発表ファイル]] |
* 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. |
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| * Seevogh 接続情報 * Title: JGW monthly seminar * Community: KEK Community * Password: 案内メールを参照のこと * Meeting Access Information: * SeeVoghRN Application : http://research.seevogh.com/joinSRN?meeting=MIM9Ms2v28DaDu989tDa9I * Mobile App : Meeting ID: 742 7974 or Link: http://research.seevogh.com/join?meeting=MIM9Ms2v28DaDu989tDa9I |
}}} * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| == これ以前の重力波研究交流会 == | === The 98th REM: May 17th, 2019, Friday === |
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| . {i} [[gw_talks/archive_71_80|第71回～第80回重力波研究交流会]] {i} [[gw_talks/archive_61_70|第61回～第70回重力波研究交流会]] {i} [[gw_talks/archive_51_60|第51回～第60回重力波研究交流会]] {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]] | * Time: 13:00-14:00 * 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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| == 暮らしに役立つリンク == | == Archives for the past talks == |
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| * [[JGWDoc/HowTo/UpLoad|資料の upload の仕方]] | * 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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| * [[LCGT/Meeting/EVOJ|EVO遠隔会議システムの使い方あれこれ]] | <<BR>> <<Anchor(UsefulLinks)>> == Useful links == ---- * [[JGWDoc/HowTo/UpLoadE| How to upload presentation materials to JGW doc database]] * [[ZoomHowTo | How to use Zoom]] * [[LCGT/Meeting/EVOJ| Use of EVO remote connection system (written in Japanese) ]] * [[howtouseezuce| How to join KEK community in eZuce]] <<BR>> <<Anchor(HowToAnnouncements)>> == How to receive the announcements == ---- . /!\ 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.