Grupo de Gravitación y Análisis de Datos en Ondas Gravitacionales

22/08/2026

🌌 Del Auto-Tune a las ondas gravitacionales.

Una mirada a cómo podemos afinar nuestra comprensión de las señales que llegan desde el Universo. 🔭

👉 ¡Te invitamos a leer el póster!

18/08/2026

¡NUEVA FECHA!
Ven al Taller Introductorio de Ondas Gravitacionales y descubre cómo funcionan los detectores LIGO y participa en experimentos interactivos.
📅 5 de Septiembre
⏰ 9:00 a.m. – 1:00 p.m.
📍 Laboratorio de Física, CUCEI
👩‍🔬 Dirigido a estudiantes de preparatoria.
📲 Regístrate con el código QR del cartel. ¡Te esperamos!

17/08/2026

Bienvenidos al segundo semestre del 2026.

Nuevamente tendremos nuestros seminarios semanales en el auditorio del modulo Z y via zoom. ¡Los esperamos! 🤓

20/07/2026

Ven al Taller Introductorio de Ondas Gravitacionales y descubre cómo funcionan los detectores LIGO y participa en experimentos interactivos.
📅 6 y 7 de agosto
⏰ 9:00 a.m. – 1:00 p.m.
📍 Laboratorio de Física, CUCEI
👩‍🔬 Dirigido a estudiantes de preparatoria.
📲 Regístrate con el código QR del cartel. ¡Te esperamos!

15/07/2026

Latin American Gravitational Waves Seminar on Thursday, July 16th, at 2:00 PM (Mexico City time), online.

Speaker 1: Pablo Andrés Lizardo Romo, Universidad Autónoma de Zacatecas, México
Title: On phenomenological parametrizations for the luminosity distance of gravitational waves

Speaker 2: Alexander Bonilla Rivera, Instituto de Física, Universidad Federal Fluminense (IF-UFF), Niteroi, Brasil. Universidad Distrital Francisco Jóse de Caldas, Bogotá, Colombia.
Title: Fundamental physics with gravitational waves

15/07/2026

16/06/2026

In a paper published today the LIGO – Virgo – KAGRA (LVK) detector network describes a new trick up its sleeve to improve the instruments’ sensitivity to gravitational waves: it’s called Astrophysical Calibration and it plays a role similar to auto-tune in music production 🎵

🔎 When a gravitational wave passes through the Earth, the LIGO, Virgo and KAGRA detectors are ready to catch it, but their sensitivity depends on many factors and it is possible that one of them may not be operating at full capacity at that moment. In moments like these, it is essential to be able to process the data collected by that detector to improve its quality.

Using Astro Calibration, if the gravitational signal detected is sufficiently strong we can compare it to predictions from general relativity and the signals observed in other detectors to recalibrate the data from a ‘mis-tuned’ detector retrospectively 🤯 The process is similar to how music‑production software such as auto-tune can correct a singer’s errant pitch to meet the intended note in a melody.

Learn more: https://www.virgo-gw.eu/news/gravitational-wave-detectors-can-now-auto-tune-their-signals/

Image credits: Carl Knox, OzGrav/Swinburne

11/06/2026

Latin American Gravitational Waves Seminar on Thursday, May 14th, at 2:00 PM (Mexico City time), online.

Speaker 1 (20 min): Leonardo González López, University of Guadalajara,
Title: Conceptual Design of a Novel Cryogenic Silicon Suspension for the Einstein Telescope Low-Frequency Detector.

Speaker 2 (20 min): Fabián Peña Arellano, California State University Los Angeles,
Title: Vertical thermal noise effect on the Einstein Telescope low-frequency detector sensitivity.

19/05/2026

Cosmic strings are causing gravitational waves that could explain existence

Physicists have theorized that cosmic strings – one-dimensional structures left over from the Big Bang – create detectable gravitational waves that could solve the universe's greatest mystery: why we exist at all. These cosmic ripples in spacetime would provide direct evidence of exotic physics explaining the matter-antimatter imbalance.

Cosmic strings are hypothetical defects in spacetime left behind from phase transitions in the early universe, similar to cracks in cooling glass or frost patterns on windows. If they exist, they would be unimaginably thin – narrower than an atom – but stretched across vast cosmic distances.

The theory suggests that cosmic strings could create ripples in spacetime called gravitational waves through several mechanisms: when they vibrate, when they snap and break under tension, or when they interact with other cosmic structures. These gravitational waves would carry a distinctive signature that current detectors like LIGO might be able to observe.

What makes this particularly exciting is the connection to the matter-antimatter problem. Some theories suggest cosmic strings could have played a role in how the Big Bang created matter and antimatter asymmetrically, leading to a universe dominated by matter. Detecting gravitational waves from cosmic strings would provide evidence supporting these theories.

The challenge is that cosmic string gravitational waves would be faint and their signature subtle. Detecting them requires the most sensitive gravitational wave detectors ever built, operating at their theoretical limits. Nevertheless, several detection campaigns are underway, hoping to catch these cosmic whispers.

If cosmic strings exist and can be detected, it would confirm a major prediction of string theory physics and provide insights into the deepest questions about the universe's origin and structure.

*Source: Scientific American*

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19/05/2026

¡Acompáñanos al seminario del Dr. Rafael Hernández Jiménez!✨

“Soluciones a la ecuación de Wheeler–DeWitt: La función de onda del universo”🌌

📅 Miércoles 20 de Mayo | 🕒 1:00 pm | 📍Modulo Z, CUCEI