General information
IceCube Alert 260722A is a neutrino alert, trigger No. 47091427, localized at RA 12h42m12.00s and Dec +31d00m00.0s with R=0.81 deg. MASTER-SAAO followed up the error box on 2026-07-22 at 17:01:32 UT, 36189 s after trigger time.
Wavelength coverage
- Neutrino: IceCube alert reported for trigger No. 47091427.
- Optical: MASTER-SAAO observed in clear/unfiltered band and reported an upper limit of 17.6 mag from a 60 s exposure.
No observations are mentioned in gamma-ray, X-ray, ultraviolet, infrared, radio, gravitational-wave, or spectroscopic bands.
Lightcurve and spectrum
- MASTER-SAAO observation midpoint was Tmid-T0 = 36220 s.
- The reported optical result is a clear-band upper limit of 17.6 mag.
- Observations began at twilight, at zenith distance 69 deg, with Sun altitude -14.7 deg.
Redshift
What’s special vs typical