MOA 2019-BLG-009

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Event Parameters

Internal ID:	gb1-R-8-12803
Discovery date:	2019-02-07T22:28:48
RA:	17:48:06.22
Dec:	-34:21:59.64
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
190581	17:48:06.49	-34:21:59.05	18.34 ± 0.12	4.17
190610	17:48:06.42	-34:22:00.94	19.73 ± 0.24	3.21
190743	17:48:06.20	-34:21:58.66	18.79 ± 0.17	1.66
190744	17:48:06.20	-34:22:03.09	19.36 ± 0.20	2.97
190878	17:48:05.98	-34:21:59.79	17.20 ± 0.14	2.53
190932	17:48:05.84	-34:22:02.47	18.27 ± 0.27	4.84

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.923 (2023-Oct-28.423)	99.99 ± 99.99	3.42
2460245.937 (2023-Oct-28.437)	20.81 ± 2.49	3.72
2460246.859 (2023-Oct-29.359)	99.99 ± 99.99	3.80
2460246.892 (2023-Oct-29.392)	20.68 ± 1.54	3.64
2460246.926 (2023-Oct-29.426)	20.03 ± 0.79	3.71

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

Single lens fit parameters

t_max	=	JD 2458521.88	±	0.01 UT (2019-Feb-7.38)
t_E	=	26.48	±	1.48 days
u₀	=	0.0233	±	0.0013
I_base	=	20.25	±	0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice