MOA 2021-BLG-040

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Event Parameters

Internal ID:	gb5-R-5-210064
Discovery date:	2021-03-18T18:47:36
RA:	17:52:18.95
Dec:	-29:47:09.37
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
103130	17:52:18.82	-29:47:04.84	17.16 ± 0.07	4.74
103160	17:52:18.89	-29:47:12.57	15.63 ± 0.11	4.23
103180	17:52:18.98	-29:47:08.85	16.25 ± 0.07	0.21
103249	17:52:19.15	-29:47:05.90	17.98 ± 0.09	3.74

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	16.34 ± 0.05	3.89
2460246.883 (2023-Oct-29.383)	16.30 ± 0.03	3.62
2460246.895 (2023-Oct-29.395)	16.34 ± 0.03	3.56
2460246.905 (2023-Oct-29.405)	16.36 ± 0.04	3.39
2460246.917 (2023-Oct-29.417)	16.31 ± 0.03	3.48

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 28787.24)

Single lens fit parameters

t_max	=	JD 2459292.79	±	0.02 UT (2021-Mar-19.29)
t_E	=	4.68	±	0.36 days
u₀	=	0.5572	±	0.0603
I_base	=	16.67	±	0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice