MOA 2021-BLG-222

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Event Parameters

Internal ID:	gb14-R-10-48784
Discovery date:	2021-07-06T05:10:12
RA:	18:09:00.70
Dec:	-26:53:09.03
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
74561	18:09:00.75	-26:53:06.60	19.21 ± 0.16	3.43
74625	18:09:00.65	-26:53:09.45	15.89 ± 0.02	0.23
74667	18:09:00.54	-26:53:05.61	18.19 ± 0.07	4.48
74701	18:09:00.48	-26:53:11.64	15.65 ± 0.06	3.39

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.894 (2024-Sep-19.394)	15.95 ± 0.02	4.21
2460572.934 (2024-Sep-19.434)	15.95 ± 0.03	4.57
2460572.946 (2024-Sep-19.446)	15.95 ± 0.02	4.22
2460572.957 (2024-Sep-19.457)	15.96 ± 0.04	4.94
2460575.921 (2024-Sep-22.421)	16.05 ± 0.10	5.13

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 40179.08)

Single lens fit parameters

t_max	=	JD 2459406.82	±	0.01 UT (2021-Jul-11.32)
t_E	=	15.18	±	0.20 days
u₀	=	0.4847	±	0.0090
I_base	=	16.00	±	0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice