MOA 2019-BLG-397

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Event Parameters

Internal ID:	gb18-R-3-23640
Discovery date:	2019-08-31T20:01:32
RA:	18:10:53.91
Dec:	-25:44:46.00
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
59015	18:10:53.72	-25:44:48.19	18.60 ± 0.10	4.32
59016	18:10:53.75	-25:44:44.39	16.03 ± 0.04	3.00

Last 5 photometry measurements

Observation date	I mag	seeing
2460244.901 (2023-Oct-27.401)	99.99 ± 99.99	3.42
2460245.862 (2023-Oct-28.362)	21.93 ± 6.71	3.54
2460245.898 (2023-Oct-28.398)	20.69 ± 2.26	3.10
2460246.861 (2023-Oct-29.361)	99.99 ± 99.99	3.75
2460246.902 (2023-Oct-29.402)	20.53 ± 1.84	3.35

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

Single lens fit parameters

t_max	=	JD 2458796.19	±	0.08 UT (2019-Nov-8.69)
t_E	=	62.94	±	0.53 days
u₀	=	0.2649	±	0.0036
I_base	=	16.27	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice