MOA 2021-BLG-418

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Event Parameters

Internal ID:	gb16-R-4-20321
Discovery date:	2021-10-05T14:12:13
RA:	18:10:29.14
Dec:	-29:35:04.69
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
140851	18:10:29.01	-29:35:02.31	16.63 ± 0.07	2.93
140940	18:10:29.20	-29:35:07.56	17.65 ± 0.07	3.58
140941	18:10:29.18	-29:35:04.25	17.06 ± 0.13	0.18
141054	18:10:29.37	-29:35:03.83	18.42 ± 0.11	2.49

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.910 (2023-Oct-28.410)	16.97 ± 0.05	3.06
2460245.939 (2023-Oct-28.439)	16.94 ± 0.08	3.51
2460246.866 (2023-Oct-29.366)	16.96 ± 0.05	3.40
2460246.913 (2023-Oct-29.413)	16.91 ± 0.05	3.16
2460246.937 (2023-Oct-29.437)	17.11 ± 0.09	3.75

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 13664.70)

Single lens fit parameters

t_max	=	JD 2459510.55	±	0.62 UT (2021-Oct-23.05)
t_E	=	41.27	±	3.77 days
u₀	=	0.6731	±	0.1032
I_base	=	16.91	±	0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice