MOA 2019-BLG-172

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Event Parameters

Internal ID:	gb9-R-5-116709
Discovery date:	2019-04-22T13:02:04
RA:	17:58:10.87
Dec:	-29:55:06.88
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
96337	17:58:10.74	-29:55:04.44	16.15 ± 0.06	3.07
96409	17:58:10.95	-29:55:03.21	17.50 ± 0.07	3.29
96495	17:58:11.14	-29:55:03.21	17.34 ± 0.07	4.52
96542	17:58:11.27	-29:55:06.01	18.91 ± 0.22	4.76

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.941 (2024-Sep-19.441)	19.59 ± 0.55	3.96
2460572.952 (2024-Sep-19.452)	18.56 ± 0.23	4.12
2460572.964 (2024-Sep-19.464)	17.96 ± 0.42	5.18
2460573.025 (2024-Sep-19.525)	18.27 ± 0.43	4.85
2460575.916 (2024-Sep-22.416)	17.90 ± 0.69	5.34

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

Single lens fit parameters

t_max	=	JD 2458596.14	±	0.02 UT (2019-Apr-22.64)
t_E	=	10.34	±	0.60 days
u₀	=	0.1116	±	0.0096
I_base	=	19.37	±	0.23

External data

Gzipped FITS finder chart

All photometry data

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