MOA 2017-BLG-146

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Event Parameters

Internal ID:	gb16-R-4-14902
Discovery date:	2017-04-06T17:58:54
RA:	18:09:30.92
Dec:	-29:36:08.12
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
15508	18:09:30.76	-29:36:10.78	18.84 ± 0.16	4.40
15618	18:09:30.97	-29:36:09.83	17.64 ± 0.08	2.39
15619	18:09:30.98	-29:36:07.42	19.15 ± 0.17	0.34
15679	18:09:31.13	-29:36:09.22	17.20 ± 0.05	2.90

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.910 (2023-Oct-28.410)	99.99 ± 99.99	3.34
2460245.939 (2023-Oct-28.439)	99.99 ± 99.99	3.67
2460246.866 (2023-Oct-29.366)	19.62 ± 0.53	3.49
2460246.913 (2023-Oct-29.413)	20.02 ± 0.85	3.23
2460246.937 (2023-Oct-29.437)	19.52 ± 0.96	3.83

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 1989.76)

Single lens fit parameters

t_max	=	JD 2457847.89	±	0.05 UT (2017-Apr-4.39)
t_E	=	27.30	±	1.69 days
u₀	=	0.1791	±	0.0159
I_base	=	18.58	±	0.17

External data

Gzipped FITS finder chart

All photometry data

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