MOA 2020-BLG-109

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Event Parameters

Internal ID:	gb13-R-10-53823
Discovery date:	2020-06-20T15:17:18
RA:	18:07:39.55
Dec:	-28:29:06.57
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
24287	18:07:39.70	-28:29:04.55	17.82 ± 0.09	3.90
24343	18:07:39.50	-28:29:08.78	15.56 ± 0.04	1.75
24356	18:07:39.43	-28:29:03.75	16.89 ± 0.07	3.75
24379	18:07:39.33	-28:29:06.04	17.09 ± 0.05	2.66

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	99.99 ± 99.99	3.82
2460245.920 (2023-Oct-28.420)	99.99 ± 99.99	3.98
2460246.857 (2023-Oct-29.357)	99.99 ± 99.99	3.91
2460246.890 (2023-Oct-29.390)	99.99 ± 99.99	3.87
2460246.924 (2023-Oct-29.424)	99.99 ± 99.99	3.99

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2459041.04	±	0.00 UT (2020-Jul-10.54)
t_E	=	55.45	±	0.42 days
u₀	=	0.0011	±	0.0000
I_base	=	18.04	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice