Event data

Alert date (UT):	2026-08-17T18:23:50.1748
Internal ID:	GB77-H-1-79
RA:	+17:41:14.6978
Dec:	-28:38:58.9539
Image X:	438.11
Image Y:	3455.23
Assessment:	microlensing

Comments

nonlinearity test event = KMT-2026-BLG-1290

PSSL parameters

tmax	=	2461244.3025	±	0.0013 UT	(2026-07-22T19:15:37.83)
tE	=	7.3009	±	0.0154 days
u0	=	11.0474	±	0.0234
Hbaseline	=	4.910	±	0.158

Photometry data file

Calibration

H = 23.7080 - 2.5 log₁₀(Δ Flux + 4987.93)