MOA 2021-BLG-321

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Event Parameters

Internal ID:	gb8-R-10-67731
Discovery date:	2021-08-11T13:41:47
RA:	18:02:47.13
Dec:	-30:09:45.70
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
7096	18:02:47.03	-30:09:46.34	14.86 ± 0.04	0.70
7147	18:02:46.90	-30:09:49.16	16.91 ± 0.07	3.98
7162	18:02:46.83	-30:09:43.85	17.64 ± 0.09	4.24

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.888 (2023-Oct-28.388)	14.79 ± 0.01	3.96
2460245.921 (2023-Oct-28.421)	14.81 ± 0.02	4.00
2460246.858 (2023-Oct-29.358)	14.79 ± 0.01	4.04
2460246.891 (2023-Oct-29.391)	14.80 ± 0.01	4.13
2460246.925 (2023-Oct-29.425)	14.86 ± 0.02	3.90

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 103371.31)

Single lens fit parameters

t_max	=	JD 2459446.74	±	0.15 UT (2021-Aug-20.24)
t_E	=	30.36	±	2.87 days
u₀	=	0.9098	±	0.1575
I_base	=	16.04	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice