Live · web, iOS, Android
Astro-COLIBRI
Real-time alerts on the transient sky with all the context needed to plan follow-up: what was seen, by whom, and what is already known about the region.
Software
Tools we build and share.
Open tools for the real-time, multi-messenger sky, built by the group and used by professional and amateur astronomers worldwide.
We build software to observe the transient sky faster and together: an alert platform for professionals and amateurs, an observation scheduler for large localisation regions, and a framework for coordinated follow-up across observatories. Everything below is free to use. If it helps your research, please cite the papers listed with each tool.
Open source · Python
tilepy
Plans telescope pointings to cover large localisation regions of gravitational-wave, gamma-ray burst and neutrino alerts, for one observatory or a coordinated network.
ANR project · 2023–2026
MOTS
Multi-messenger Observations of the Transient Sky: an ANR project bringing together labs in the Paris-Saclay area to improve coordinated observations across many wavelengths and messengers.
Astro-COLIBRI API · quick start
POST https://astro-colibri.science/latest_transients
{
"uid": "<your Astro-COLIBRI user id>",
"time_range": { "min": "2026-10-17T00:00:00",
"max": "2026-10-24T00:00:00" }
}Getting access
The API is free for registered Astro-COLIBRI users. Your user id is in the account settings of the web and mobile apps; requests use the filters saved in your account unless you send your own.
Ask on the forum