MOA 2021-BLG-181

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Event Parameters

Internal ID:	gb10-R-3-65119
Discovery date:	2021-06-17T03:34:49
RA:	17:59:41.98
Dec:	-27:27:54.45
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
170710	17:59:41.67	-27:27:54.40	18.93 ± 0.23	4.84
170925	17:59:42.07	-27:27:58.51	18.79 ± 0.16	4.84
170967	17:59:42.13	-27:27:56.82	18.77 ± 0.14	3.44
170996	17:59:42.17	-27:27:52.25	15.48 ± 0.14	2.69

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.898 (2024-Oct-28.398)	19.11 ± 0.46	4.37
2460611.910 (2024-Oct-28.410)	18.98 ± 0.76	4.87
2460611.920 (2024-Oct-28.420)	22.39 ± 17.42	4.66
2460614.864 (2024-Oct-31.364)	18.58 ± 0.97	5.31
2460614.874 (2024-Oct-31.374)	99.99 ± 99.99	5.02

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

Single lens fit parameters

t_max	=	JD 2459382.36	±	0.04 UT (2021-Jun-16.86)
t_E	=	5.51	±	0.82 days
u₀	=	0.0624	±	0.0123
I_base	=	20.40	±	0.29

External data

Gzipped FITS finder chart

All photometry data

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