MOA 2023-BLG-256

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Event Parameters

Internal ID:	gb14-R-4-110511
Discovery date:	2023-06-10T12:53:11
RA:	18:03:43.09
Dec:	-27:49:04.43
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
130678	18:03:42.89	-27:49:04.64	18.84 ± 0.16	3.52
130774	18:03:43.00	-27:49:06.81	19.14 ± 0.26	3.63
130866	18:03:43.23	-27:49:06.04	18.05 ± 0.29	2.61
130867	18:03:43.15	-27:49:03.97	16.11 ± 0.08	0.27

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.889 (2024-Oct-28.389)	15.78 ± 0.06	4.65
2460611.902 (2024-Oct-28.402)	15.94 ± 0.04	3.90
2460611.913 (2024-Oct-28.413)	15.43 ± 0.08	5.35
2460611.924 (2024-Oct-28.424)	15.69 ± 0.07	5.09
2460614.877 (2024-Oct-31.377)	15.65 ± 0.07	5.01

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 32688.88)

Single lens fit parameters

t_max	=	JD 2460132.98	±	0.03 UT (2023-Jul-7.48)
t_E	=	6.49	±	5.18 days
u₀	=	7.5846	±	3.5161
I_base	=	9.41	±	0.28

External data

Gzipped FITS finder chart

All photometry data

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