Event data

Alert date (UT):	2025-09-27T07:07:45.4284
Internal ID:	GB109-H-4-20
RA:	+17:57:56.3636
Dec:	-27:45:52.7984
Image X:	1252.89
Image Y:	3127.10
Assessment:	microlensing

Comments

PSSL parameters

tmax	=	2460944.4552	±	0.0008 UT	(2025-09-25T22:55:28.13)
tE	=	12389.2896	±	49.5649 days
u0	=	0.0002	±	0.0000
Hbaseline	=	23.418	±	0.155

Photometry data file

Calibration

H = 23.6976 - 2.5 log₁₀(Δ Flux + 2587.74)