Sign in

LISA Community

@lisacommunity.bsky.social
353 followers 130 following 252 posts

First gravitational wave observatory in space. 3 satellites flying in triangle formation connected by 2.5 million km laser beams. An ESA mission with international participation including from NASA. Launch in the 2030s.

PostsRepliesMedia
LISA Community @lisacommunity.bsky.social · 28/09/2026
👀 Check out this episode of @esa.int's Expedition Sound podcast series that lets us sink into the depths of space and explore the mysterious effects of gravity. ✨ Discover more about this podcast here: www.esa.int/.../The_dept... Credit: European Space Agency (ESA) #LISAMission #GravitationalWaves
012
LISA Community @lisacommunity.bsky.social · 16/09/2026
What do black holes and comic books have in common? More than you'd think. 📖 Read it for free: blackholecomicbook.com
A starry space scene with a glowing orange-black figure representing the black hole and its accretion disk, a small character and a floating figure at left, and the text “BLACK HOLES” in orange letters.
286
LISA Community @lisacommunity.bsky.social · 31/08/2026
JuanPa is a Payload System Engineer at the European Space Agency @esa.int working on LISA Systems Engineering.
100
LISA Community @lisacommunity.bsky.social · 12/08/2026
Elena Maria Rossi is a Full Professor at Leiden University working on Massive Black Hole Binaries, Galactic Binaries and Extreme Mass Ratio Inspirals.
120
LISA Community @lisacommunity.bsky.social · 07/08/2026
✨ LISA and ET Team Up to Catch Cosmic Echoes!
Illustration of LISA space mission with three spacecraft forming a triangle with red laser beams, two black circles representing black holes, and a cross-section of Earth showing underground Einstein Telescope facility.
110
LISA Community @lisacommunity.bsky.social · 03/07/2026
LISA Symposium Poster Session pictures are here! 🚀 Many of you were waiting for them, thanks for your patience and let’s all thank our amazing photographer Dennis Henry! 📸 More pictures coming soon! #LISASymposium2026 #LISAmission #nasa #esa
021
LISA Community @lisacommunity.bsky.social · 25/06/2026
Tracking water with LISA technology: GRACE-C, successor to GRACE & GRACE-FO, carries a laser ranging interferometer with LISA Pathfinder heritage. Sensing nm-scale shifts in satellite separation, it maps Earth's moving water - ice, groundwater, sea level. 🌍🌎🌏 #LISASymposium2026 #NASA
010
LISA Community @lisacommunity.bsky.social · 25/06/2026
Meet Taiji, a Chinese LISA-class observatory proposal: 3 spacecraft, heliocentric, ~3M km arms, mHz band, early-2030s launch. Together with LISA, it would have a ~100M km baseline for sharper localization. Demo stages funded; full mission awaits approval. #LISASymposium2026 #ICTP-AP #UCAS #CAS
020
LISA Community @lisacommunity.bsky.social · 24/06/2026
Halfway through #LISASymposium2026 and the energy's anything but halved! Brilliant talks and an engaged community. Let's chase them gravitational waves! Here's the crew and energy at midpoint - ready for round two! #lisasymposium2026
041
LISA Community @lisacommunity.bsky.social · 24/06/2026
LISA's Phase Measurement System: Quadrant Photo Receivers + Phasemeter tracking science, reference & test-mass channels and syncing clocks across 2.5 million kilometer, the backbone of Time Delay Interferometry (TDI) noise suppression. #nasa #LISASymposium2026 #esa #gravitationalwaves #lisamission
020
LISA Community @lisacommunity.bsky.social · 24/06/2026
Brilliant and fun overview of Gravitational Waves and LISA ... and explosions. Big explosions! Lead NASA LISA Project Scientist from NASA's Goddard Space Flight Center, Dr. Ira Thorpe, explained the importance of LISA to a broad audience and answered questions from the audience. #lisasymposium2026
051
LISA Community @lisacommunity.bsky.social · 23/06/2026
LISA Symposium Public Lecture ... Listening to the Dark Universe with Gravitational Waves and LISA ... by Lead NASA LISA Project Scientist from NASA’s Goddard Space Flight Center, Dr. Ira Thorpe. 6:30pm at Stamp Student Union Hoff Theater (Ground Floor) #lisasymposium2026 #lisamission #nasa #esa
042
LISA Community @lisacommunity.bsky.social · 23/06/2026
LISA will predict when massive black hole binaries will merge by detecting the gravitational waves created by the black holes orbiting each other. (🕳️➕🕳️🟰🌊) At #LISASymposium2026, John Ruan (Bishop's University) talks through the challenge of detecting their electromagnetic counterparts. (🕳️➕🕳️🟰💥)
042
LISA Community @lisacommunity.bsky.social · 23/06/2026
A few impressions from our LISA Symposium Day 1 Plenary Speakers, captured by our NASA Goddard photographer Dennis Henry 📷 lisa-2026.astro.umd.edu #nasa #lisamission #lisasymposium2026 #esa
061
LISA Community @lisacommunity.bsky.social · 23/06/2026
🛰️🔭⚕️🩺 Yesterday's highlights include the medical side effects of gravitational wave exposure as presented by ESA Scientist Oliver Jennrich: www.youtube.com/live/9YCgx1F... You can watch yesterday's and today's Plenary Sessions at www.youtube.com/@LISAcommuni... #LISASymposium2026 #xkcd
071
LISA Community @lisacommunity.bsky.social · 23/06/2026
16th International LISA Symposium June 21-26, 2026 Plenary 3 (LISA Science Team, Optical Metrology System & more): www.youtube.com/watch?v=EyUg... Plenary 4 (EMRIs, MBHB Mergers, LECS): www.youtube.com/watch?v=S7U_... Schedule: lisa-2026.astro.umd.edu/schedule.html #LISASymposium2026
063
LISA Community @lisacommunity.bsky.social · 22/06/2026
GRATTIS brings precision gravitational wave sensors to Earth, simplifying LISA's gravitational reference sensors into compact, robust instruments. This opens a new way to weigh our planet, tracking melting ice, shifting groundwater, and rising seas, mapping climate change & more. #LISASymposium2026
071
LISA Community @lisacommunity.bsky.social · 22/06/2026
Gravitational waves carry information from before light could travel freely, when the universe was an opaque plasma. This opens a window onto new physics beyond known laws, and perhaps the very origin of spacetime, whether it began in a Big Bang or bounced from an earlier phase. #LISASymposium2026
051
LISA Community @lisacommunity.bsky.social · 22/06/2026
In addition to the main org and social media teams, we’re collaborating with the science communicators to cover our symposium! Anna and Simon are driven young specialists in the field of the gravitational wave detectors. Tag along to stay informed about announcements! #lisasymposium2026 #nasa #esa
031
LISA Community @lisacommunity.bsky.social · 22/06/2026
Great insight into the engineering of the LISA spacecraft this morning from ESA engineer Juan Pablo Rodríguez García. 🚀 #LISASymposium2026
042
LISA Community @lisacommunity.bsky.social · 22/06/2026
16th International LISA Symposium June 21-26, 2026 Schedule: lisa-2026.astro.umd.edu/schedule.html Follow live: www.youtube.com/@LISAcommuni... #LISASymposium2026
054
LISA Community @lisacommunity.bsky.social · 21/06/2026
🥳 Ten years since the Science Programme Committee unanimously voted for the extension of the LISA Pathfinder mission until May 2017. 👀 Find out more about LPF: www.youtube.com/watch?v=1j0Y... #LPF10anniversary #LISAMission
051
LISA Community @lisacommunity.bsky.social · 07/06/2026
🎉 Today marks 10 years since the publication of the very first paper from LISA Pathfinder mission: "Sub-Femto-g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results". A milestone that launched a decade of discovery and exploration beyond Earth.
174
LISA Community @lisacommunity.bsky.social · 04/05/2026
Hello there! On this special occasion, we want to introduce a new kind of Force users in the galaxy: micro‑Newton thrusters.
1114
LISA Community @lisacommunity.bsky.social · 27/04/2026
> "Even a small number of LISA detections would imply a much larger unseen population at the Galactic centre. Together with radio surveys, this complementary view promises to help resolve one of the most intriguing mysteries in high-energy astrophysics." Paper: 👉 doi.org/10.1051/0004...
The text on the graphic is: "Even a small number of LISA detections would imply a much larger unseen population at the Galactic centre. Together with radio surveys, this complementary view promises to help resolve one of the most intriguing mysteries in high-energy astrophysics."
000
LISA Community @lisacommunity.bsky.social · 27/04/2026
> "By listening to gravitational waves, LISA can detect ultra-compact millisecond-pulsar binaries in the inner Milky Way - systems that are invisible to traditional telescopes."
The text on the graphic is: "By listening to gravitational waves, LISA can detect ultra-compact millisecond-pulsar binaries in the inner Milky Way - systems that are invisible to traditional telescopes." There is also a plot of companion mass against gravitational-wave frequency.
100
LISA Community @lisacommunity.bsky.social · 27/04/2026
> "Our study shows how LISA can offer a new and independent way to test the millisecond-pulsar hypothesis."
The text on the graphic is: "Our study shows how LISA can offer a new and independent way to test the millisecond-pulsar hypothesis." There is also a plot from the paper showing orbital period against companion mass.
100
LISA Community @lisacommunity.bsky.social · 27/04/2026
> "For over a decade, astronomers have debated whether this signal comes from annihilating dark matter or from rapidly spinning neutron stars (NSs) known as millisecond pulsars. Pulsars are rotating NSs that emit beams of electromagnetic light. The beans produce a lighthouse effect."
The text on the graphic is: "For over a decade, astronomers have debated whether this signal comes from annihilating dark matter or from a hidden population of rapidly spinning neutron stars known as millisecond pulsars. Pulsars are rotating neutron stars that emit beams of electromagnetic light. The beams produce a lighthouse effect."
There is also an illustration of a pulsar which is shown as a blue circle with two beams coming from it (from the top and bottom of the circle).
100
LISA Community @lisacommunity.bsky.social · 27/04/2026
> "What powers the mysterious gamma ray (𝜸-ray) excess at the centre of our Galaxy?"
An image of our Galaxy in gamma rays. The Galaxy is shown within a map of the sky in gamma rays with the Galaxy in bright red. The centre of the Galaxy is brighter indicating an excess of gamma rays. The text reads "What powers the mysterious gamma-ray excess at the centre of our Galaxy?"
100
LISA Community @lisacommunity.bsky.social · 27/04/2026
#LISACommunityTalks The #LISACommunity recently hosted a talk by Valeriya Korol on a paper by Valeriya Korol & Andrei Igoshev: "Probing the millisecond pulsar origin of the 𝜸-ray excess in the Galactic centre with LISA". Paper link 👉 doi.org/10.1051/0004... Coming up is a summary of the paper.
The graphic shows some details about the talk and paper. Title: "Probing the millisecond pulsar origin of the 𝜸-ray excess in the Galactic centre with LISA". Presentor: Valeriya Korol. Authors: Valeriya Korol & Andrei Igoshev. Link to paper: https://doi.org/10.1051/0004-6361/202557265. A plot from the paper is also displayed showing chirp mass against gravitational-wave frequency.
130
LISA Community @lisacommunity.bsky.social · 20/04/2026
>> "We show how subtle interactions between noise-reduction algorithms and instrument filtering can affect the measurements, and we provide tools to understand & mitigate these effects—contributing to the robustness of LISA’s future observations." Link to paper: 👉 iopscience.iop.org/article/10.1...
The graphic displays the text: "We show how subtle interactions between noise-reduction algorithms and instrument filtering can affect the measurements, and we provide tools to understand and mitigate these effects—contributing to the robustness of LISA’s future observations."
A plot from the paper is also shown.
020
LISA Community @lisacommunity.bsky.social · 20/04/2026
>> "This experiment allows us to test both data-analysis techniques and instrument prototypes under realistic conditions."
The graphic displays the text: "This experiment allows us to test both data-analysis techniques and instrument prototypes under realistic conditions."
A plot from the paper is also shown.
120
LISA Community @lisacommunity.bsky.social · 20/04/2026
>> "When this reference is noisy, extracting the gravitational-wave signal becomes a major challenge. To address this, we use LISA On Table, a dedicated hardware simulator that reproduces realistic LISA signals in the laboratory."
The graphic displays the text: "When this reference is noisy, extracting the gravitational-wave signal becomes a major challenge. To address this, we use LISA On Table, a dedicated hardware simulator that reproduces realistic LISA signals in the laboratory."
The image shows a diagram of LISA next to a flow chart showing how signals move between different components and analysis computers.
110
LISA Community @lisacommunity.bsky.social · 20/04/2026
>> Here's a summary of the paper: "LISA will measure tiny changes in distance using laser beams millions of kilometers long. These measurements rely on the frequency stability of the lasers themselves, which act as LISA’s fundamental reference."
The graphic displays the text: "LISA, the future space mission dedicated to gravitational-wave astronomy, will measure tiny changes in distance using laser beams millions of kilometers long. These measurements rely on the frequency stability of the lasers themselves, which act as LISA’s fundamental reference."
There is also an image showing a diagram of LISA.
110
LISA Community @lisacommunity.bsky.social · 20/04/2026
#LISACommunityTalks The #LISACommunity recently hosted a talk by Léon Vidal on a paper by Léon Vidal, Hubert Halloin, Nam Dam Quang, Pierre Prat and Antoine Petiteau: "Aliased laser noise and TDI coupling with LISA On table", which can be found here 👉 iopscience.iop.org/article/10.1...
The graphic shows the details of the talk: 
Presentor: Léon Vidal. 
Paper authors: Léon Vidal, Hubert Halloin, Nam Dam Quang, Pierre Prat and Antoine Petiteau. 
Paper title: "Aliased laser noise and TDI coupling with LISA On table" 
Paper link: https://iopscience.iop.org/article/10.1088/1361-6382/ae134d/pdf
Plus an image from the paper which shows a diagram of LISA.
121
LISA Community @lisacommunity.bsky.social · 13/04/2026
> "For events with signal-to-noise ratio as low as 20 we can differentiate between different formation channels." Read all about this work: 👉 arxiv.org/abs/2508.16399 👉 arxiv.org/abs/2601.15198
The text displayed is: "For events with signal-to-noise ratio as low as 20 we can differentiate between different formation channels."
A plot from the paper is also shown.
010
LISA Community @lisacommunity.bsky.social · 13/04/2026
> "We showcase the use of MLPs (multi-layer perceptron) to overcome this limit and greatly speed up the process. MLPs are a fully connected neural network."
The text displayed is: "We showcase the use of MLPs (multi-layer perceptron) to overcome this limit and greatly speed up the process. MLPs are a fully connected neural network."
Two plots are also shown.
110
LISA Community @lisacommunity.bsky.social · 13/04/2026
> Here's a summary of the paper. "Extreme mass-ratio inspirals (EMRIs) offer a unique way to study the population of massive black holes. Currently population inference with EMRIs is slow due to the computational and time cost of EMRI waveform generation, even on GPUs."
The text on the graphic is: 
"Extreme mass-ratio inspirals (EMRIs) offer a unique way to study the population of massive black holes. Currently population inference with EMRIs is slow due to the computational and time cost of EMRI waveform generation, even on GPUs."

Then, in a highlight box: "EMRIs are binary systems in which a small black hole is slowly spiraling into a much larger one." Next to this is a cartoon of a EMRI - illustrated by two black circles, one much larger than the other (representing the two black holes).
110
LISA Community @lisacommunity.bsky.social · 13/04/2026
#LISACommunityTalks Shashwat Singh recently presented a paper by Shashwat Singh, Christian Chapman-Bird, Christopher Berry, John Veitch: "Constraints on Extreme Mass Ratio Inspiral population + Revealing Massive Black Hole astrophysics: hierarchical inference with Extreme Mass Ratio Inspirals"
The graphic shows details about the talk and paper. 
Title:  "Constraints on Extreme Mass Ratio Inspiral  population + Revealing Massive Black Hole astrophysics: hierarchical inference with Extreme Mass Ratio Inspirals"
Presentor: Shashwat Singh. 
Authors: Shashwat Singh, Christian Chapman-Bird, Christopher Berry, John Veitch:
There is also a plot from the paper shown.
110
LISA Community @lisacommunity.bsky.social · 03/04/2026
>> "But there is good news: if those individually resolvable binaries are removed first, EMRI searches should work well. Therefore, LISA teams will need good catalogs and careful subtraction of Galactic binary signals in order to unlock the full potential of EMRIs." Paper 👉 arxiv.org/abs/2509.20062
The text reads: "But there is good news: if those individually resolvable binaries are removed first, EMRI searches should work well. Therefore, LISA teams will need good catalogs and careful subtraction of Galactic binary signals in order to unlock the full potential of EMRIs."
000
LISA Community @lisacommunity.bsky.social · 03/04/2026
>> "We found that the brightest white-dwarf signals can indeed prevent us from correctly identifying EMRIs. But there is good news: if those individually resolvable binaries are removed first, EMRI searches should work well."
The text reads:  "We found that the brightest white-dwarf signals can indeed prevent us from correctly identifying EMRIs. But there is good news: if those individually resolvable binaries are removed first, EMRI searches should work well."
Alongside the text is a plot from the paper.
100
LISA Community @lisacommunity.bsky.social · 03/04/2026
>> "We studied how the millions of Galactic white-dwarf binaries filling LISA data can “crosstalk” with EMRIs, potentially hiding them."
The graphic text reads:  "We studied how the millions of Galactic white-dwarf binaries filling LISA data can “crosstalk” with EMRIs (Extreme Mass Ratio Inspirals), potentially hiding them."
The image shows a plot from the paper with label "The EMRI signal is faint in the data."
100
LISA Community @lisacommunity.bsky.social · 03/04/2026
>> Here's a summary of the paper: "LISA data analysis is hard: there are a lot of signals mixed together in the data. One exciting but faint type of signal comes from an extreme-mass-ratio inspiral (EMRI): a small black hole slowly spiraling into a much larger one."
The graphic displays the following text: 
"LISA data analysis is hard: there are a lot of signals mixed together in the data. One exciting but faint type of signal comes from an extreme-mass-ratio inspiral (EMRI): a small black hole slowly spiraling into a much larger one."
Alongside the text is a cartoon of two black holes orbiting each other (represented by black circles), one circle is much larger than the other.
110
LISA Community @lisacommunity.bsky.social · 03/04/2026
#LISACommunityTalks The #LISACommunity recently hosted a talk by Sviatoslav Khukhlaev on a paper by Sviatoslav Khukhlaev, Stanislav Babak: "Assessing signal crosstalk between extreme-mass-ratio inspirals and Galactic binaries in LISA data", which can be found here 👉 arxiv.org/abs/2509.20062
The graphic shows the title, presentor, and authors. Title: "Assessing signal crosstalk between extreme-mass-ratio inspirals and Galactic binaries in LISA data". Presented by Sviatoslav Khukhlaev. Authors: Sviatoslav Khukhlaev, Stanislav Babak. Link to paper: https://arxiv.org/abs/2509.20062
The image shows a plot from the paper.
100
LISA Community @lisacommunity.bsky.social · 02/04/2026
>> "We focus on the late inspiral and plunge of a small body into a supermassive black hole (i.e. an extreme mass ratio inspiral, or "EMRI"), uncovering a dependence of the final coalescence dynamics on the system's initial conditions not seen in circular mergers."
The text on the graphic reads "We focus on the late inspiral and plunge of a small body into a supermassive black hole (i.e. an extreme mass ratio inspiral, or "EMRI"), uncovering a dependence of the final coalescence dynamics on the system's initial conditions not seen in circular mergers."
Alongside is a illustration of a pair of black holes orbiting each other, one is much bigger than the other.
030
LISA Community @lisacommunity.bsky.social · 02/04/2026
>> "This work investigates the unique imprints orbital eccentricity leaves on the gravitational waves produced by binary black holes."
The text on the graphic read: "This work investigates the unique imprints orbital eccentricity leaves on the gravitational waves produced by binary black holes." A plot from the paper showing "Quasinormal Mode Excitation" is also shown.
130
LISA Community @lisacommunity.bsky.social · 02/04/2026
>> Here's a summary of the paper: "While many binary black hole systems merge after a sequence of circular orbits, some formation mechanisms allow these systems to have significant eccentricity."
The text on the graphic reads: "While many binary black hole systems merge after a sequence of circular orbits, some formation mechanisms allow these systems to have significant eccentricity." 
A plot from the paper is also shown.
120
LISA Community @lisacommunity.bsky.social · 02/04/2026
#LISACommunityTalks The #LISACommunity recently hosted a talk by Devin Becker on a paper by Devin Becker, Scott Hughes, Gaurav Khanna: "Gravitational waves from the late inspiral, transition, and plunge of small-mass-ratio eccentric binaries", which can be found here 👉 arxiv.org/abs/2511.21897
The graphic shows the title of the talk and the authors. Title: "Gravitational waves from the late inspiral, transition, and plunge of small-mass-ratio eccentric binaires". Presented by Devin Becker. Authors: Devin Becker, Scott Hughes, Gaurav Khanna. 
A plot from the paper is shown.
142
LISA Community @lisacommunity.bsky.social · 01/04/2026
> "The results are very promising, showing that quantum neural networks require less data and very few trainable parameters to learn gravitational wave signatures from the data. This represents a clear advantage when compared to classical neural networks."
The text displayed in the image is: "The results are very promising, showing that quantum neural networks require less data and very few trainable parameters to learn gravitational wave signatures from the data. This represents a clear advantage when compared to classical neural networks."
The image shows two panels, both with time on the x-axis. The top panel shows "Gravitational Wave Probability" on the y-axis. The bottom panel shows "X-TDI strain" on the y-axis.
120
LISA Community @lisacommunity.bsky.social · 01/04/2026
> Here's a summary of the paper: "LISA alert pipelines require fast analysis and quick detection of gravitational waves signals. Given the fast advancement of the quantum computing field, we test the possibility of using quantum neural networks in our low latency alert pipelines."
The text displayed in the image is: "LISA alert pipelines require fast analysis and quick detection of gravitational waves signals. Given the fast advancement of the quantum computing field, we test the possibility of using quantum neural networks in our low latency alert pipelines."
The image is one of the figures from the paper. It shows blue, purple and black squares.
100