MOA 2022-BLG-087

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Event Parameters

Internal ID:	gb1-R-10-51158
Discovery date:	2022-03-13T18:36:49
RA:	17:49:52.85
Dec:	-33:37:49.81
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
89272	17:49:52.95	-33:37:47.13	19.89 ± 0.24	3.95
89319	17:49:52.85	-33:37:53.22	16.86 ± 0.05	3.04
89415	17:49:52.61	-33:37:50.83	17.69 ± 0.14	2.54
89477	17:49:52.47	-33:37:52.53	18.09 ± 0.07	4.94

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.923 (2023-Oct-28.423)	18.26 ± 0.32	3.83
2460245.937 (2023-Oct-28.437)	18.92 ± 0.69	4.06
2460246.859 (2023-Oct-29.359)	18.87 ± 0.37	3.99
2460246.892 (2023-Oct-29.392)	18.85 ± 0.38	3.87
2460246.926 (2023-Oct-29.426)	19.00 ± 0.63	3.90

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

Single lens fit parameters

t_max	=	JD 2459652.16	±	0.14 UT (2022-Mar-13.66)
t_E	=	4.20	±	1.80 days
u₀	=	0.2577	±	0.1187
I_base	=	18.31	±	0.14

External data

Gzipped FITS finder chart

All photometry data

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