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
2460245.887 (2023-Oct-28.387)	16.42 ± 0.03	3.48
2460245.920 (2023-Oct-28.420)	16.46 ± 0.05	3.89
2460246.857 (2023-Oct-29.357)	16.48 ± 0.04	3.81
2460246.890 (2023-Oct-29.390)	16.48 ± 0.04	3.72
2460246.924 (2023-Oct-29.424)	16.47 ± 0.04	3.81

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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