Definitions
- Event times: UTC (precision: 1 second)
- Coordinates: Equatorial, J2000 (precision: 0.01 deg)
- Sky map is centered on RA=180deg
- Longitudes are negative toward West
- Image size on Pan-STARRS and SkyMapper: 0.05deg x 0.05deg
General information
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Notifications
What kind of notifications will you receive according to the channel you subscribe to?
- GRBs : Fermi and Swift alerts (incl. names and identification)
- Neutrino : IceCube, AMON (e.g. Nu-EM coincidences), and SuperK supernova alerts
- GW : Advanced Ligo / Advanced VIRGO / KAGRA alerts (as soon as O4 starts)
- Burst : INTEGRAL and HAWC detections, FRBs, ...
- SNe : optical transients characterized as supernova
- OTs : optical transients not classified as SNe (e.g. novae, CVs, TDE, AGN, etc.)
- Bright OTs : optical transients (SNe and OT) with magnitudes < 18 (i.e. a subset of the two categories above)
- Astro-COLIBRI announcements : News, updates and down times
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Legend of observatories and event types
- Color scheme used to identify various observatories:
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- Marker styles used to identify various types of events and sources
- FRB: Fast Radio Bursts
- OT: optical transients (e.g. novae, CVs, TDE, AGN, etc.)/li>
- SN: classified supernovae
- GRB: gamma-ray bursts
- burst: unclassified transients
- neutrino: high-energy neutrino
- GW: gravitational wave
- nuem: coincidence between neutrinos and high-energy gamma rays
- 4FGL: GeV gamma-ray sources in the Fermi-LAT catalog (4FGl-DR3)
- TeVCat: TeV gamma-ray sources in the TeVCat catalog
- SGR/AXP: soft gamma-ray repeaters / anomoulus X-ray pulsars
- Color scheme used to identify various observatories:
Release history
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Version 1.4.1 (2022-05-18)
- Event information improved: additional parameters displayed + link to ALADIN includes uncertainty region + link to AAVSO lightcurves + TACH/GCN viewer
- Selection of date for visibility plot possible
- New notification stream for bright (mag<18) optical transients
- Onboarding/tutorial for the mobile app
- Switch to and from the legend improved on mobile app
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Version 1.4.0 (2022-03-07)
- Enabling the definition and management of custom observatories
- Updated source catalog to 4FGL-DR3 and latest TevCat
- Additional information (SNe alerts from the SuperK neutrino detector, access to SkyMapper images, new observatory locations, source redshift information, etc.)
- Various bug fixes (Horizontal scrolling of links; custom observatory locations on mobile frontends; Access to filter settings (issues for some users existed); GCN parser stability issues; etc.)
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Version 1.3.0 (2022-01-10)
- Added optical transients (SNe, novae, CVs, etc.) incl. new notification streams
- Updated marker styles
- Improved search for sources (cf. manual cone search)
- Added various new links to external services: weather information, sky view, ASAS-SN, Pan-STARRS, Gaia
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Version 1.2.1 (2021-11-03)
- Added a catalog of SGRs and AXPs to the cone search
- Several corner cases for the daily visibility plot fixed (e.g. darktime around noon UTC, observations covering several days)
- Transients highlighted in cone search results
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Version 1.2.0 (2021-10-21)
- Merchandise shop
- Added description of transients for the general public
- Galactic plane added to sky maps
- Added direct link to the science portal of the Fink ZTF/LSST broker
- Check for existence of external links
- Removed Fermi-GBM flight notices
- Design and layouts improvements + minor bug fixes
- Mobile app: new settings menu
- Web app: re-organisation of visibility plots + display adapted to different screen sizes
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Version 1.1.1 (2021-09-29)
- Fixed bug in user registration
- Setting event times to UTC
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Version 1.1.0 (2021-09-21)
- Improved cone search that is flexible for future improvements
- Filter settings are now synchronized between devices
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Version 1.0.0 (2021-08-17)
First public release (incl. first public Android and iOS applications)