MOA 2021-BLG-027

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Event Parameters

Internal ID:	gb21-R-5-8404
Discovery date:	2021-03-13T20:14:06
RA:	18:16:22.93
Dec:	-22:35:03.76
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
109062	18:16:22.72	-22:35:03.55	16.75 ± 0.02	3.63
109131	18:16:22.87	-22:35:01.24	18.45 ± 0.10	2.52
109132	18:16:22.84	-22:34:59.39	19.25 ± 0.11	4.38
109188	18:16:22.95	-22:35:03.08	18.43 ± 0.06	0.37
109275	18:16:23.13	-22:35:03.75	17.76 ± 0.04	2.35

Last 5 photometry measurements

Observation date	I mag	seeing
2460567.990 (2024-Sep-14.490)	18.15 ± 0.30	4.37
2460570.826 (2024-Sep-17.326)	18.57 ± 0.20	3.52
2460570.900 (2024-Sep-17.400)	18.31 ± 0.14	3.85
2460570.971 (2024-Sep-17.471)	18.37 ± 0.31	4.22
2460572.925 (2024-Sep-19.425)	18.52 ± 0.20	3.92

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 3879.72)

Single lens fit parameters

t_max	=	JD 2459283.59	±	0.02 UT (2021-Mar-10.09)
t_E	=	106.44	±	0.09 days
u₀	=	0.0055	±	0.0104
I_base	=	20.95	±	0.10

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice