MOA 2019-BLG-311

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Event Parameters

Internal ID:	gb13-R-5-79624
Discovery date:	2019-07-06T15:16:31
RA:	18:04:22.81
Dec:	-29:49:38.73
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
100309	18:04:22.83	-29:49:38.29	16.48 ± 0.04	0.36
100310	18:04:22.80	-29:49:35.72	18.34 ± 0.11	2.66
100400	18:04:23.04	-29:49:40.30	17.70 ± 0.10	3.33
100455	18:04:23.17	-29:49:36.49	17.93 ± 0.10	4.58

Last 5 photometry measurements

Observation date	I mag	seeing
2460571.045 (2024-Sep-17.545)	16.34 ± 0.08	4.51
2460572.896 (2024-Sep-19.396)	16.39 ± 0.03	3.71
2460572.936 (2024-Sep-19.436)	16.43 ± 0.06	4.59
2460574.035 (2024-Sep-20.535)	16.31 ± 0.07	4.93
2460575.922 (2024-Sep-22.422)	16.04 ± 0.13	4.64

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 23377.60)

Single lens fit parameters

t_max	=	JD 2458668.08	±	0.03 UT (2019-Jul-3.58)
t_E	=	11.10	±	1.07 days
u₀	=	0.3983	±	0.0709
I_base	=	18.06	±	0.18

External data

Gzipped FITS finder chart

All photometry data

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