MOA 2021-BLG-203

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Event Parameters

Internal ID:	gb2-R-8-15356
Discovery date:	2021-06-21T16:10:35
RA:	17:54:15.02
Dec:	-34:29:00.35
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
98253	17:54:15.35	-34:28:59.99	16.26 ± 0.17	4.91
98417	17:54:14.99	-34:29:03.11	17.01 ± 0.08	2.26
98532	17:54:14.75	-34:28:58.48	17.99 ± 0.23	3.82
98563	17:54:14.69	-34:29:02.69	17.85 ± 0.17	3.98

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.864 (2023-Oct-29.364)	20.20 ± 0.97	3.57
2460246.904 (2023-Oct-29.404)	20.08 ± 0.90	3.14
2460246.932 (2023-Oct-29.432)	20.11 ± 1.37	3.87
2460246.936 (2023-Oct-29.436)	19.21 ± 0.58	3.69
2460246.939 (2023-Oct-29.439)	19.09 ± 0.48	3.74

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

Single lens fit parameters

t_max	=	JD 2459386.28	±	0.07 UT (2021-Jun-20.78)
t_E	=	9.93	±	3.17 days
u₀	=	0.0001	±	0.0133
I_base	=	20.60	±	0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice