== Weekly PEM meeting == * 2024/03/22(Fri) 17:00- * Regular meeting * Zoom2 : https://zoom.us/j/6676627462 ==== General announcement ==== * SEO PEM budget 2024 * Maintenance * Towards O5 * Several Virgo ENV member have some plan to visit KAGRA about 1 month * One month Aug. - Dec. * They are also thinking about visiting LIGO * KAGRA would still be commissioning phase * Plan * Noise hunting (PEM injection) * Magnetic injection * Additional NN measurement * Other * Authorlist 2024 * If you have an opinion, please let us know. * O4b * ER16 20th Mar. * O4b 3rd Apr. * O4a noise budget paper * If you have a plan to write the paper using O4a data and PEM, please let me know. ==== Meeting and Conference issue ==== * Please reserve the hotel in Hokkaido if you plan to join the Autum JPS meeting next time * JPS (online) 2024/3/18-21 * [[https://www.jps.or.jp/activities/meetings/spring/spring_index.php]] * Hoshino (Earthquake) * Miyamoto (weather) * Sato (Sound) * Takatani (Noise subtraction) * KIW11 * Taiwan (2024/04/16-20) * Yokozawa : Exploring the Mesoscale Meteorology on the KAGRA Gravitational Wave Detector * Washimi : Earthquake Effects on KAGRA * 4/19 afternoon meeting with deepclean member * GWADW * Australia (2024/05/12-18) * GWPAW * Israel (2024/05/27-31) * Other meetings [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/DAWG/conferences|url]] If you have some presentation about PEM related, please contact to me. ==== Business travel ==== * To Kamioka * None * From Kamioka * Yokozawa (3/27-29 Kashiwa) * Yokozawa (4/13-21 Taiwan) ==== General issue ==== * Interferometer recovery * IMC * Plan * Final check : Done * vibration check, photo session : today planned * Closing : 3/25 - * Pumping : 3/26- * Type-Bp * First contac trial * Wait next step (IR alignment after IMC closing) * Type-A * IX * Oplev viewport cleaning * Roll realignment * Earthquake check oplev path check ?? * EX * Earthquake check oplev path check : Done * Health check : Ongoing * We found several viewport window cleaning * EY * BF coil : Done * PF cabling : Planned * Roll alignment * Earthquake check oplev path check ?? * IY * Pick up the information * Green alignment recovery * Both GRX and GRY reached end * Found POP POS table for reflection beam from ETMs * Pcal * X * Final check before closing chamber * Y * After finalize X * TCam * Photo taking with major : Done * Taking picture with GRX flash * End Y cleaning * Strategy for noise hunting * [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=26848|klog26848]] * 出張PEM injection ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=14016|planning form]]) * ==== Jurnal paper issue ==== [[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/PEM/Reports/JurnalPaperIssue|Details are here!]] * Micro seismic analysis (Hoshino) * Submit to PTEP * [[https://ja.overleaf.com/project/627270d6b67cab411d1c7d32|Overleaf]] * [[http://arxiv.org/abs/2306.12437]] * Acoustic reverberation time paper (Washimi+, Sato?) * Suspend * Re-measurement before O4? ==== Preparation for O4b ==== * Snow monitor * Ongoing * First snow detected * PEM installation * Waiting the timing of TMSX and TMSY * Evaluation of newtonian noise * Anoop and Washimi * Investigation of the PEM injection * Magnetic injection * Voltmeter preparation * AC power monitor installation * DC power monitor installation ==== Progress report ==== * Yuzurihara * Pastavi * Data Quality Report [[https://dcc.ligo.org/G2201168|slide]] * Data quality evaluation * Hoshino * Seismic motion analysis *Sato * Sound source analysis * Miyamoto * Weather analysis * Takatani * Noise subtraction with machine learning * Kume * PR3 line injection [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=25670|klog25670]] * Noise subtraction * Nishizawa * Water newtonian noise * Magnetic field analysis * Washimi * * Yokozawa * TCam ==== Place for memo ==== * [[https://www.gw-openscience.org/O3/o3aspeclines/|Line noise list in O3a public data]] * [[https://pubplan.ligo.org/CW/KAGRA_VectorDM.html|Summary page for KAGRA O3 vector dark matter]]