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General Announcements

This page lists announcements sent to announcement_submit@sympa.ligo.org . Announcements are posted to this page and sent out as a weekly email to the LSC every Friday morning (Eastern US). Job announcements sent to announcement_submit@sympa.ligo.org are not posted here but are instead posted on the LAAC page: https://wiki.ligo.org/LAAC/JobPostings.

If you know of an announcement that should be posted here or on the LAAC jobs page, please send it to announcement_submit@sympa.ligo.org .

GWIC-Braccini Thesis Prize

(posted here January 31, 2025)

2024 GWIC-Braccini Thesis Prize

The Gravitational Wave International Committee and the Friends of Stefano Braccini are pleased to announce the yearly prize recognising an outstanding Ph.D. thesis in the field of gravitational waves, the GWIC-Braccini Thesis Prize. Nominations for the 2024 GWIC-Braccini Thesis Prize are now open.
Members of the gravitational-wave community are invited to nominate students who have performed notable research on any aspect of gravitational-wave science. Theses will be judged on (i) originality and creativity of the research, (ii) importance to the field of gravitational waves and gravitational-wave detection, broadly interpreted, and (iii) clarity of presentation. The winner will receive a certificate of recognition and a prize of US $1,000. The 2024 prize will be awarded at an international meeting in summer 2025.
(Please note that the jury decision on the 2023 prize was unfortunately delayed; we expect that the 2023 prize will be announced in February 2025.)
In this cycle, the prize will be awarded on a calendar year basis for 2024. Theses should have been accepted by the relevant institution between January 1, 2024 and 31 December 31, 2024. A committee selected from the gravitational-wave community will evaluate the nominations and select the winner. The selection committee will make all determinations about eligibility.
Nominations should be submitted by February 28, 2025. The nomination package consists of (i) the thesis, (ii) a letter of nomination from the thesis advisor, (iii) a supporting letter from another scientist familiar with the work, and (iv) a single-page abstract of the thesis written by the nominee. The nomination and supporting letters should describe the importance and novelty of the research and the student’s particular contribution. Because the large number of submissions imposes a significant burden on the jury, we request that each advisor submit a single nomination, and that they consider whether the thesis is indeed internationally competitive.
Electronic submissions are strongly preferred, with the thesis, abstract and the letters in separate pdf files (four files in total). Electronic copies of the nomination materials may be sent to gwic-braccini-prize@phys.ethz.ch. Please provide also a contact email address and the current institution of the nominee in the nomination letter. All submissions will be acknowledged. If an acknowledgement is not received shortly after the deadline, or for any other corner, please e-mail gwic-braccini-prize@phys.ethz.ch.
Michele Vallisneri (GWIC-Braccini Thesis Prize Director)

Cosmic Explorer Symposium and Physics and Astrophysics at the eXtreme workshop (PAX-X) at UIUC from 30 June - 3 July 2025

(posted here January 31, 2025)

Dear colleagues,

The 10th Physics and Astrophysics at the eXtreme workshop (PAX X) and the 3rd Cosmic Explorer Symposium will be held jointly at the University of Illinois Urbana-Champaign from 30 June – 3 July 2025.

The Cosmic Explorer Symposium will bring together the community to discuss important aspects of the design and operations of the Cosmic Explorer gravitational-wave observatories, covering both observational and instrument science.
The PAX-X workshop will explore how the ongoing and upcoming observations of gravitational and electromagnetic waves can help us understand physics at the extreme — strong gravitational fields, dark matter, nuclear physics, cosmology, and multimessenger astrophysics.

Panels will be organized around a small number of presentations to identify important areas for research and foster discussions and community feedback.

Registration will open shortly.

We look forward to welcoming you in Urbana-Champaign.

Best wishes,

Helvi

On behalf of the organizing committee

LOC: Hector O. Silva, Mateus Reinke Pelicer, Antonios Tsokaros, Helvi Witek,

SOC (confirmed members so far): Stefan Ballmer, Lisa Barsotti, Emanuele Berti, Alessandra Corsi, Paul Fulda, Anuradha Gupta, Jan Harms, Joey Key, Lionel London, David Ottaway, Bangalore Sathyaprakash, Hector O. Silva, Antonios Tsokaros, Helvi Witek

GWADW 25 website is open

(posted here January 31, 2025)

The 2025 Gravitational Wave Advanced Detector Workshop, a one-week event dedicated to exploring the future of the detection of gravitational waves takes place 18 to 23 May 2025 at the Hilton Cocoa Beach (Florida) Oceanfront. Sunday 18 May is the arrivals day, with an evening reception. We plan to end Friday, 23 May. A Friday night stay is possible.

The GWADW website is

https://gwadw.clas.ufl.edu/

It has more details, conference registration, title/abstract submission information, and hotel reservation. The hotel reservation link is under "venue". (Be sure that it takes the arrival/departure dates correctly. It seems a little touchy.)

GWADW 2025 will follow the style and traditions of earlier detector workshops, going back to Aspen in the 1990s. Both ground-based and space-based detectors will be topics for the workshop.

If you have questions, please send them to tanner@phys.ufl.edu. Hope to see you there!

best wishes,

John Conklin

Paul Fulda

David Tanner

2nd Announcement for the 3rd LISA Sprint

(posted here January 24, 2025)

The website which includes the application form for the 3rd LISA Sprint is now live at

https://tlittenberg.github.io/lisa_sprint_2025/

Your application to attend the meeting must be completed by Monday February 17th.

Check back to the website in late February to find additional logistical information.

Solvay workshop on “Gravitational Wave Cosmology” 19-21 February 2025

(posted here January 17, 2025)

Dear colleagues,

We are pleased to announce the Solvay workshop on “Gravitational Wave Cosmology”, which will take place at ULB on the 19-21 February 2025.

This workshop aims to provide insights on pressing questions that new observations are currently bringing such as:

• How can we distinguish cosmological sources from the detected Pulsar Timing Array signal ?

• What is the nature of the Hubble tension: systematic errors or a sign for new physics?

• How will gravitational waves standard sirens contribute in the near future?

• How to distinguish the primordial gravitational wave background from the astrophysical background?

• Which notable multi-messenger signatures should be searched for ?

Registration is open on http://www.solvayinstitutes.be/event/workshop/gravitational_wave_2025/gravitational_wave_2025.html

We hope to see you at this exciting workshop!

Warm regards,

On behalf of the organising committee, Giacomo Bruno, Sébastien Clesse, Geoffrey Compère, Archisman Ghosh, Alberto Marrioti, Samaya Nissanke, Nick Van Remortel, Alex Sevrin

Conference Registration Open for “Ten Years to LISA”, April 1-3, 2025, in Pasadena, CA

(posted here January 10, 2025)

Dear colleagues:

We are happy to share that the conference website for Ten Years to LISA: New Challenges and Opportunities in Multimessenger/Multiband Science is now online at
https://science.jpl.nasa.gov/workshops/LISA.

You can go there now to register and/or submit an abstract. As the meeting title indicates, the conference will mostly focus on multi-messenger/multiband science connected to LISA. Within this general area, it will emphasize EM & GW observations that will be made over the next ~10-15 years and how they relate to LISA, and it will suggest LISA multimessenger/multiband science investigations that could be started now.

The scientific program will be divided into eight Sessions. Each Session will have its own Session Chair, who will beresponsible for planning that Session’s program. We are pleased to announce our Sessions and Session Chairs:

- EM Telescopes and Observations from now to 2040, Daniel Stern
- Gravitational-Wave Telescopes and Observations from now to 2040, David Shoemaker
- Galactic binaries, Kevin Burdge
- Joint LISA + ground-based observations of stellar-mass binaries, Davide Gerosa
- EM Counterparts to GW signals from MBHBs, Lucio Mayer
- EMRIs, Pau Amaro-Seoane
- The Population of LISA MBHBs: What we have learned from simulations, Alberto Sesana
- The Population of LISA MBHBs: Inferences from Current & Future Observations, TBD

Hope to see you in Pasadena!

Regards,

The Co-organizers: Katerina Chatziioannou, Curt Cutler, and Michele Vallisneri

Aspen Summer 2025: Physics in the Era of Nanohertz Gravitational Waves

(posted here January 03, 2025)

Dear colleagues,

We are excited to announce that our 2025 summer Aspen workshop proposal for "Physics in the Era of Nanohertz Gravitational Waves" has been accepted and applications are now open.

The program is scheduled for August 3-24, 2025. The application deadline is January 31, 2025; see https://aspenphys.org/summer-workshops/. We invite you to apply. Please also encourage other people who are active in the field to apply.

Be aware that we cannot guarantee admission to the workshop. Admission to the workshop is granted not by the workshop organizers, but by the Admissions Committee of the Center. Because of the constraints imposed by the rest of the Aspen Center for Physics program, they are usually not able to admit everyone who applies.

Aspen Center for Physics encourages participants, especially those early in their careers, those with families, and those from underrepresented groups, institutions, and countries, to apply for our summer program. The Center has a limited amount of additional financial support for participants who fall into these, and other, special categories and encourages applicants who need financial support to apply for it on their application.

Best,

Kimberly Boddy

Jeff Dror

Carl-Johan Haster

Luke Kelley

Arianna Renzini

11th Gulf Coast Gravity Meeting

(posted here December 20, 2024)

The GCGM returns to the University of Mississippi! The 11th Gulf Coast Gravity Meeting will be held at the University of Mississippi in Oxford, MS, on April 11 and 12, 2025. In keeping with its tradition, this will be an open, relaxed, and informal conference. We are inviting researchers and students interested in all areas of gravitational physics: classical and quantum gravity, general relativistic astrophysics and cosmology, quantum cosmology, gravitational waves, and experimental gravity. Because this is a regional meeting, many attendees will be from the southeastern United States, but all are welcome.

Talks

Following the usual tradition all participants, and especially postdocs and graduate students, are encouraged to contribute short, introductory talks on their current research, with the aim of fostering communication and understanding among gravitational physicists with different backgrounds. A prize (sponsored by the APS Division of Gravitational Physics) will be awarded for the best talk given by a student at the meeting.

Deadlines

Prospective speakers should register by March 01 to receive full consideration. Late applicants will be considered at the discretion of the organizers. See the website for details: https://www.phy.olemiss.edu/gcgm11/.

Announcing the 3rd LISA Sprint

(posted here December 20, 2024)

The Laser Interferometer Space Antenna (LISA) is a joint effort of ESA and NASA to develop and operate the first space-based observatory of gravitational waves (GWs) in the millihertz frequency band. To prepare for LISA observations and its unique data products, we are organizing the 3rd LISA Sprint in Huntsville, AL, from Monday April 28 to Wednesday April 30, 2025.

The meeting's goals will be two-fold: The first goal is to connect LISA data scientists with astronomers and astrophysicists who will incorporate LISA data products into their own research. The second is to advance the broader research community’s readiness to capitalize on LISA observations.

The theme for this third meeting is Time Domain and Multimessenger Astronomy with LISA. During the workshop small interdisciplinary teams of researchers will come together and make concrete progress on concise projects and goals related to this scientific area. A number of project ideas and mock data and/or data products will be produced and provided by the organizers in collaboration with experts in the field. Additionally, participants are encouraged to propose ideas and contribute further material that adheres to the workshop’s format.

This will be a hands-on workshop: there will be no talks--only brief project “pitches” at the beginning of the workshop, and “show and tell” at the close of the meeting to share progress with the group.

In early January 2025 we will advertise the meeting website and application form for interested participants. Please note that space will be limited, so applying does not guarantee acceptance. Accepted applicants will be notified by the end of February. There is no financial support available to attend the meeting, nor is there any registration fee for participating.

Please join the IAU!

(posted here November 29, 2024)

Dear LVK members,

We invite you to join the International Astronomical Union (IAU), and in particular, Commission D1: Gravitational Wave Astrophysics.

The IAU is the world's largest astronomical organization---it hosts conferences, sponsors prizes, and supports a wide range of scientific research and outreach activities around the globe. Commission D1 represents the gravitational-wave astrophysics community.

For information about IAU Commission D1:
https://www.iau.org/science/scientific_bodies/commissions/D1/

For information about membership:
https://www.iau.org/administration/membership/individual/qualification/

To apply for membership, please contact your relevant National Committee and they will provide you with a link:
https://www.iau.org/administration/membership/national/nca/

For members who work in the US, please use this link to apply for membership:
https://www.nationalacademies.org/our-work/us-national-committee-for-the-international-astronomical-union-usnc-iau

While a Ph.D. in astrophysics or physics is required, no recommendation letters are required to join.

Best wishes,
Daniel Holz, on behalf of the IAU D1 Commission leadership (Parameswaran Ajith, Masaki Ando, Pia Astone, Monica Colpi, Valeriya Korol, Elena Maria Rossi, Ryan Shannon, Peter Shawhan)

Abstract submission now open for GR Amaldi meeting, July 2025

(posted here November 15, 2024)

We are pleased to invite you to join us for the 24th International Conference on General Relativity and Gravitation & 16th Edoardo Amaldi Conference on Gravitational Waves (GR-Amaldi), taking place from the 14-18 July 2025 at the Scottish Exhibition Centre, Glasgow, UK.

This joint meeting brings together experts from across classical and quantum gravity, mathematical and applied relativity, gravitational-wave instrumentation and data analysis, multimessenger astronomy, relativistic astrophysics, and cosmology. This 5-day event will welcome an extensive line-up of invited speakers and contributed talks, as well as poster presentations, a public lecture, and numerous networking opportunities. Leading up to the event, there will also be a satellite Early Career Workshop held on 10-12 July 2025.

This meeting will be a special celebration, as 2025 is the 10th anniversary of the first direct observation of gravitational waves. We look forward to seeing you in Glasgow, where we promise you a warm Scottish welcome!

Contributions for oral and poster presentations are now being welcomed across a broad range of topics. Abstracts should be up to 250 words in length and submitted online by 21 March 2025.

For further information, please visit the event website at https://iop.eventsair.com/gr24-amaldi16/

Key dates:

Abstract submission deadline: 21 March 2025

Early Registration Deadline: 9 May 2025

Registration Deadline: 29 June 2025

Workshop on Scientific Machine Learning for Gravitational Wave Astronomy at ICERM

(posted here Novemeber 08, 2024)

​We are pleased to announce a workshop on Scientific Machine Learning for Gravitational Wave Astronomy which will be held at the Institute for Computational and Experimental Research in Mathematics (ICERM) in Providence, RI, June 2-6, 2025. Applications are open at https://icerm.brown.edu/program/topical_workshop/tw-25-smlgwa.

​The workshop will bring together participants from computational mathematics and gravitational wave astronomy to tackle computational challenges in leveraging data-driven methods in key areas of gravitational wave data analysis in order to maximize the science output of the ongoing and upcoming observations.

The participants will develop and apply new mathematical and computational techniques including: (i) neural network classifiers for distinguishing signals from instrumental noise, (ii) generative machine learning models for simulating realizations of non-Gaussian and non-stationary stochastic processes, (iii) surrogate models including uncertainty quantification, (iv) stochastic sampling, neural posterior estimation leveraging deep neural networks with normalizing flows or diffusion models, and (v) hierarchical Bayesian inference with non-parametric models such as Gaussian processes and simulation-based / approximate Bayesian approaches.

While the application window will be open until all slots are filled, we recommend applying by December 15.

​The workshop will be in-person, with streaming options available for lectures.

​ICERM will be able to offer limited funding for some participants, so apply early for best chance at this funding!

With warm regards,

Sarah Caudill, Katerina Chatziioannou, Maya Fishbach, Brendan Keith, Jess McIver, Michael Puerrer, Joshua Speagle, and Vijay Varma

RAS specialist discussion meeting: “Gravitational wave analysis in the era of machine learning” (10th of January 2025)

(posted here October 18, 2024)

We are pleased to invite you to the RAS specialist discussion meeting on “Gravitational wave analysis in the era of machine learning”. The meeting will take place at the Geological Society in London on the 10th of January. You can find the event page with more information here: https://ras.ac.uk/events-and-meetings/ras-meetings/gravitational-wave-analysis-era-machine-learning.

The meeting will be based on panel-led discussions focusing on the use of machine learning in gravitational wave science. We will focus on topics such as the interpretability of ML-derived results, the robustness of ML models to uncertainties, and the integration of ML algorithms into existing and future GW search and analysis pipelines.

If you would like to present a poster or sparkler talk, please submit your abstract in the form below. You can also use the form to register your interest in the meeting and to receive updates.

expression of interest form: https://docs.google.com/forms/d/e/1FAIpQLSfZJPvdWzLABkpXHv0VcUyr5XzNUhg_OV4P0j-vBXKU-8R3sA/viewform

Registration for the meeting will be via the RAS meeting event page and will open in mid-December.

Best regards,

Mattia Emma, Ann-Kristin Malz, Greg Ashton, John Veitch, Vivien Raymond

Announcement of the 24th International Conference on General Relativity and Gravitation & 16th Edoardo Amaldi Conference on Gravitational waves 14th – 18th July 2025 Glasgow, UK

(posted here May 31, 2024)

In 2025, the 24th International Conference on General Relativity and Gravitation (GR24) and the 16th Edoardo Amaldi Conference on Gravitational Waves (Amaldi16) will be held together as a joint meeting in Glasgow. The meeting will bring together scientists from across classical and quantum gravity, mathematical and applied relativity, gravitational-wave instrumentation and data-analysis, and multi-messenger astronomy. The GR24–Amaldi16 Meeting will be held as an in-person event at the Scottish Event Campus, Glasgow, Scotland, from 14th–18th July 2025. Registration will open in autumn 2024. Meeting website: https://iop.eventsair.com/gr24-amaldi16/ Online resources will be made freely available after the event. Meeting organisation is led by the Institute for Gravitational Research at the University of Glasgow and the Institute of Physics.

Gravitational-wave snowballs, populations, and models workshop

(posted here May 31, 2024)

We are organizing "Gravitational-wave snowballs, populations, and models" — a workshop to be held in Sexten, in the Dolomites region of Italy, January 20-24, 2025: https://sites.google.com/unimib.it/gwsnowballs

Our goal is to bring together researchers at the forefront of both forward astrophysical modeling of compact object binary formation and gravitational-wave data analysis in preparation for the upcoming O4 data release of LIGO/Virgo, for discussions focused on population-level modeling and inference.

The meeting will be held at Bad Moos Hotel right next to the ski slopes and the conference program will have appropriate breaks for snow activities; more details are available at https://sites.google.com/unimib.it/gwsnowballs/logistics

We hope you will consider applying to participate. Space is limited to 40 people. Please apply online at https://sites.google.com/unimib.it/gwsnowballs/registration by July 15, 2024. We plan to notify accepted participants by the end of July.

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