MOA 2023-BLG-402

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Event Parameters

Internal ID:	gb17-R-1-58799
Discovery date:	2023-08-25T22:32:27
RA:	18:11:57.39
Dec:	-26:43:28.12
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
119356	18:11:57.17	-26:43:28.03	18.36 ± 0.09	3.67
119434	18:11:57.36	-26:43:29.95	15.55 ± 0.03	2.73
119517	18:11:57.57	-26:43:28.09	14.91 ± 0.07	1.99

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.879 (2024-Oct-27.379)	99.99 ± 99.99	5.61
2460610.916 (2024-Oct-27.416)	99.99 ± 99.99	5.38
2460611.891 (2024-Oct-28.391)	99.99 ± 99.99	4.72
2460611.926 (2024-Oct-28.426)	99.99 ± 99.99	5.87
2460614.884 (2024-Oct-31.384)	99.99 ± 99.99	5.69

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2460232.15	±	3.98 UT (2023-Oct-14.65)
t_E	=	43.46	±	2.62 days
u₀	=	0.2034	±	0.0346
I_base	=	16.01	±	0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice