MOA 2022-BLG-031

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Event Parameters

Internal ID:	gb15-R-1-6528
Discovery date:	2022-02-20T20:33:28
RA:	18:03:52.12
Dec:	-24:55:27.03
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
48046	18:03:52.12	-24:55:30.02	17.08 ± 0.05	3.81
48054	18:03:52.17	-24:55:26.19	16.91 ± 0.02	0.32
48085	18:03:52.36	-24:55:28.86	16.83 ± 0.06	3.91

Last 5 photometry measurements

Observation date	I mag	seeing
2460536.834 (2024-Aug-14.334)	16.77 ± 0.05	4.26
2460536.907 (2024-Aug-14.407)	16.68 ± 0.04	3.39
2460536.982 (2024-Aug-14.482)	16.67 ± 0.05	3.94
2460537.056 (2024-Aug-14.556)	16.80 ± 0.09	4.90
2460537.128 (2024-Aug-14.628)	99.99 ± 99.99	6.51

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 15718.10)

Single lens fit parameters

t_max	=	JD 2459639.90	±	0.09 UT (2022-Mar-1.40)
t_E	=	24.91	±	1.72 days
u₀	=	0.2309	±	0.0181
I_base	=	17.86	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice