MOA 2021-BLG-141

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Event Parameters

Internal ID:	gb4-R-8-76367
Discovery date:	2021-05-22T19:49:01
RA:	17:54:45.17
Dec:	-30:54:56.56
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
75900	17:54:45.30	-30:54:53.94	18.87 ± 0.20	3.99
75940	17:54:45.23	-30:54:55.35	18.66 ± 0.14	2.32
75967	17:54:45.18	-30:54:57.63	18.15 ± 0.10	0.81
76048	17:54:45.04	-30:54:56.91	18.62 ± 0.14	1.19

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.932 (2024-Sep-19.432)	18.24 ± 0.17	3.82
2460572.944 (2024-Sep-19.444)	18.10 ± 0.12	3.76
2460572.954 (2024-Sep-19.454)	18.19 ± 0.14	3.53
2460574.031 (2024-Sep-20.531)	18.76 ± 0.63	4.73
2460575.919 (2024-Sep-22.419)	18.44 ± 0.55	4.39

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 5011.87)

Single lens fit parameters

t_max	=	JD 2459362.99	±	0.03 UT (2021-May-28.49)
t_E	=	26.15	±	1.08 days
u₀	=	0.0888	±	0.0052
I_base	=	19.94	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice