MOA 2020-BLG-191

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Event Parameters

Internal ID:	gb21-R-1-10208
Discovery date:	2020-07-27T20:40:57
RA:	18:16:23.19
Dec:	-21:23:37.77
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
24201	18:16:23.07	-21:23:35.27	18.18 ± 0.04	3.09
24278	18:16:23.22	-21:23:39.82	18.02 ± 0.03	2.77
24279	18:16:23.25	-21:23:37.11	15.75 ± 0.02	0.33
24375	18:16:23.50	-21:23:35.38	19.20 ± 0.07	4.34

Last 5 photometry measurements

Observation date	I mag	seeing
2460599.873 (2024-Oct-16.373)	15.74 ± 0.02	2.76
2460599.952 (2024-Oct-16.452)	15.68 ± 0.02	3.59
2460602.896 (2024-Oct-19.396)	15.77 ± 0.01	3.81
2460610.886 (2024-Oct-27.386)	15.85 ± 0.05	5.61
2460614.891 (2024-Oct-31.391)	16.28 ± 0.16	5.57

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 45624.70)

Single lens fit parameters

t_max	=	JD 2459064.47	±	0.05 UT (2020-Aug-2.97)
t_E	=	27.52	±	1.09 days
u₀	=	0.0122	±	0.0029
I_base	=	18.89	±	0.13

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice