General information
IceCube Alert 260709A is reported as trigger No. 7869742 at RA 19h31m14.40s, Dec -15d10m12.0s with R=0.47 deg. MASTER-OAFA observed the error region starting about 27,118 seconds after the trigger.
Wavelength coverage
- Optical: MASTER-OAFA obtained clear-band images of the IceCube alert region, reporting limiting magnitudes from 16.9 to 19.4 mag, including coadded exposures.
No radio, infrared, ultraviolet, X-ray, gamma-ray, gravitational-wave, or additional neutrino observations are mentioned.
Lightcurve and spectrum
- Optical clear-band observations began at 2026-07-09 00:49:40 UT and continued through 2026-07-09 01:26:15 UT in the reported table.
- The deepest reported clear-band upper limit is 19.4 mag from a 180 s coadd at Tmid-T0 = 27691 s.
- No optical detection, spectrum, or transient evolution is reported.
Redshift
What’s special vs typical