MOA 2020-BLG-091

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Event Parameters

Internal ID:	gb9-R-3-129675
Discovery date:	2020-06-15T01:11:02
RA:	17:58:51.08
Dec:	-29:08:20.90
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
147637	17:58:50.82	-29:08:20.51	18.09 ± 0.26	4.10
147662	17:58:51.01	-29:08:22.97	14.83 ± 0.17	3.13
147812	17:58:51.12	-29:08:20.43	14.97 ± 0.11	0.13
147937	17:58:51.36	-29:08:21.74	16.76 ± 0.14	3.49

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.884 (2023-Oct-29.384)	14.99 ± 0.01	3.50
2460246.896 (2023-Oct-29.396)	14.96 ± 0.01	3.23
2460246.906 (2023-Oct-29.406)	14.99 ± 0.01	3.49
2460246.918 (2023-Oct-29.418)	15.06 ± 0.01	3.61
2460246.927 (2023-Oct-29.427)	14.99 ± 0.01	3.53

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 93583.65)

Single lens fit parameters

t_max	=	JD 2459019.80	±	0.00 UT (2020-Jun-19.30)
t_E	=	18.19	±	0.03 days
u₀	=	0.1490	±	0.0003
I_base	=	15.28	±	0.36

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice