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| *[[gw_talks/what_is|重力波研究交流会とは?]] *[[gw_talks/what_is|What is REM ?]] |
* [[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 == | |
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=== The 97th REM: sometime in May === |
=== The 103rd REM: December === |
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| * Speaker: TBA | * Speaker: TBA * Title: TBA * [[Link to the material will be here]] |
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| === The 96th REM: Apr./5th/2019, Fri. === | === The 102nd REM: November 15th, 2019, Friday === |
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| * Speaker: Nobuyuki Matsumoto (Tohoku University) * Title: "Demonstration of Displacement Sensing of a mg-Scale Pendulum for mm- and mg-Scale Gravity Measurements (tentative)" * [[Link to the material will be here]] |
* Location: ICRR, the Kashiwanoha campus (tentative) |
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| <<BR>> | * 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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| * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
|
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| === The 95th REM: Mar./22nd/2019, Fri. === ---- * Time: 13:00-14:00 * Speaker: Lucia Trozzo (ICRR, the University of Tokyo) * Title: "Virgo suspension control (tentative)" * [[Link to the material will be here]] |
|
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| === The 94th REM: Feb./22nd/2019, Fri. === | === The 101st REM / ISAS Astrophysics Colloquium : August 9th, 2019, Friday === |
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| * Location: NAOJ (tentative) | |
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| * Speaker: Satoshi Tanioka (NAOJ) * "Noise In The Mirror" * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=9861]] |
* Location: Room 1537, Bild.A, 5F in JAXA Sagamihara campus |
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| * Zoom connection information | * 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 |
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| * password: ask the organizers or see the invitation email | * password: ask an organizer * Jointly organized with [[http://www.isas.jaxa.jp/home/astro_colloq/|the ISAS Astrophysics Colloquia]] |
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=== 93rd REM: June/15/2018, Fri. === |
=== The 100th REM: July 12th, 2019, Friday === |
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| * Time: 17:00-19:00 | * Time: 13:00-14:00 |
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| * Talk 1: Julia Casanueva （INFN - Sezione di Pisa） * 「Lock Acquisition in Advanced Virgo (part 1): Guided Lock, Frequency stabilization and Automatic Alignment」 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8389|Slides]] |
* 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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| * Talk 2:Diego Bersanetti （I.N.F.N. - Sezione di Genova） * 「Lock Acquisition in Advanced Virgo (part 2): DC Readout, Noise Subtraction & Automation」 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8390|Slides]] |
}}} |
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| * Meeting URL: https://zoom.us/j/8678936825 * password: ask the organizers or see the invitation email |
* Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| === 92nd REM June/1/2018, Fri. === | === The 99th REM: June 14th, 2019, Friday === |
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| * Time: 10:00-11:00 | * Time: 13:00-14:00 |
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| * Talk: Andrew Matas (University of Minnesota)「Searches for the stochastic gravitational wave background in Advanced LIGO's first observing run」 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8333| Slides]] |
* 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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| * Zoom connection * Meeting URL: https://zoom.us/j/8678936825 * password: ask the organizers or see the invitation email |
}}} * Zoom connection information * Meeting URL: https://zoom.us/j/5045179604 * password: ask the organizers |
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| === 91st Dec./8/2017, Fri. === | === The 98th REM: May 17th, 2019, Friday === |
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| * Location: online with eZuce | |
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| * Talk:仏坂健太(Kenta Hotokezaka) (Princeton University)「A neutron star merger GW170817 and its EM counterparts」 * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7530|material]] * eZuce connection information * Title: JGW seminar * Community: KEK Community * Password:n/a * Meeting Access Information: SeeVoghRN Application http://srn.ezuce.com/joinSRN?meeting=M9MIMi222eD2Di9298DD99 Mobile App : Meeting ID: 781 4378 or Link: http://srn.ezuce.com/join?meeting=M9MIMi222eD2Di9298DD99 |
* 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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| === 90the Oct./20/2017, Fri. === ---- * Location: web meeting through eZuce * Time: 13:00-14:00 * Talk:宮本晃伸 (Nobuaki, Miyamoto)（大阪市立大学; Osaka City Univ.）「重力波観測によるPopIII星の存在の間接的証明方法の研究」 * [[ https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=7305 | material]] * eZuce connection information * Title:Monthly JGW seminar * Community: KEK Community * Password:n/a * Meeting Access Information: SeeVoghRN Application http://srn.ezuce.com/joinSRN?meeting=MMMeMn2D2tDsDs9a9sD29M Mobile App : Meeting ID: 779 0427 or Link: http://srn.ezuce.com/join?meeting=MMMeMn2D2tDsDs9a9sD29M |
|
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| . {i} [[gw_talks/archive_81_90|91-100th GW-REM talks (2017- )]] . {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) ]] |
* 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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| <<Anchor(UsefulLinks)>> | |
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| * [[JGWDoc/HowTo/UpLoad| How to upload materials ]] | * [[JGWDoc/HowTo/UpLoadE| How to upload presentation materials to JGW doc database]] |
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| * [[LCGT/Meeting/EVOJ| Use of EVO remote connection system ]] | * [[LCGT/Meeting/EVOJ| Use of EVO remote connection system (written in Japanese) ]] |
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| <<Anchor(HowToAnnouncements)>> | |
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| . One has to subscribe to the mailing list called ''gw_comm''. Please ask one of our organizers for it. The organizers can be found in [[gw_talks/what_is|this page]]. | . /!\ 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.