MOA 2019-BLG-290

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Event Parameters

Internal ID:	gb17-R-8-50409
Discovery date:	2019-06-26T11:35:18
RA:	18:14:16.66
Dec:	-27:27:16.39
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
27311	18:14:16.89	-27:27:16.54	17.71 ± 0.10	3.82
27502	18:14:16.60	-27:27:16.99	17.65 ± 0.14	0.27
27503	18:14:16.61	-27:27:20.34	15.07 ± 0.03	3.47
27589	18:14:16.41	-27:27:16.03	17.39 ± 0.12	3.02

Last 5 photometry measurements

Observation date	I mag	seeing
2460570.962 (2024-Sep-17.462)	17.49 ± 0.08	3.40
2460571.002 (2024-Sep-17.502)	17.71 ± 0.17	4.13
2460571.035 (2024-Sep-17.535)	17.98 ± 0.41	4.27
2460572.901 (2024-Sep-19.401)	17.83 ± 0.11	3.78
2460572.948 (2024-Sep-19.448)	17.54 ± 0.07	3.67

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 7950.60)

Single lens fit parameters

t_max	=	JD 2458657.73	±	0.08 UT (2019-Jun-23.23)
t_E	=	26.50	±	0.49 days
u₀	=	0.0913	±	0.0022
I_base	=	20.51	±	0.24

External data

Gzipped FITS finder chart

All photometry data

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