MOA 2020-BLG-197

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Event Parameters

Internal ID:	gb4-R-2-102099
Discovery date:	2020-08-05T11:03:37
RA:	17:51:58.35
Dec:	-30:42:32.30
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
16222	17:51:58.44	-30:42:31.58	15.61 ± 0.02	0.60
16254	17:51:58.53	-30:42:29.36	17.05 ± 0.03	3.03
16321	17:51:58.73	-30:42:29.70	17.40 ± 0.07	4.92

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	15.59 ± 0.01	3.54
2460246.898 (2023-Oct-29.398)	15.60 ± 0.01	3.32
2460246.909 (2023-Oct-29.409)	15.59 ± 0.01	3.48
2460246.920 (2023-Oct-29.420)	15.65 ± 0.03	3.62
2460246.929 (2023-Oct-29.429)	15.62 ± 0.01	3.75

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 51951.73)

Single lens fit parameters

t_max	=	JD 2459071.26	±	0.01 UT (2020-Aug-9.76)
t_E	=	9.30	±	0.26 days
u₀	=	0.4877	±	0.0236
I_base	=	15.74	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice