MOA 2021-BLG-398

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Event Parameters

Internal ID:	gb10-R-5-130067
Discovery date:	2021-09-18T19:39:18
RA:	17:57:00.38
Dec:	-28:14:22.31
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
207	17:57:00.33	-28:14:18.72	17.16 ± 0.06	3.46
247	17:57:00.40	-28:14:21.10	16.80 ± 0.06	0.78
406	17:57:00.76	-28:14:20.16	19.74 ± 0.35	4.96

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.852 (2023-Oct-29.352)	16.72 ± 0.08	3.85
2460246.886 (2023-Oct-29.386)	16.64 ± 0.07	3.96
2460246.897 (2023-Oct-29.397)	16.58 ± 0.06	3.47
2460246.908 (2023-Oct-29.408)	16.70 ± 0.08	3.73
2460246.919 (2023-Oct-29.419)	16.71 ± 0.12	4.34

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 17426.09)

Single lens fit parameters

t_max	=	JD 2459478.05	±	0.02 UT (2021-Sep-20.55)
t_E	=	9.27	±	0.13 days
u₀	=	0.2357	±	0.0054
I_base	=	16.94	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice