MOA 2017-BLG-074

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Event Parameters

Internal ID:	gb6-R-3-250
Discovery date:	2017-03-02T21:01:06
RA:	17:53:52.49
Dec:	-27:32:38.62
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
52325	17:53:52.32	-27:32:40.91	21.13 ± 0.23	4.24
52374	17:53:52.49	-27:32:42.27	20.53 ± 0.13	4.43
52401	17:53:52.53	-27:32:37.97	18.57 ± 0.06	0.16
52481	17:53:52.74	-27:32:34.21	19.19 ± 0.05	4.83
52502	17:53:52.78	-27:32:40.76	19.06 ± 0.05	4.34

Last 5 photometry measurements

Observation date	I mag	seeing
2460559.870 (2024-Sep-6.370)	18.54 ± 0.44	4.03
2460564.006 (2024-Sep-10.506)	18.99 ± 0.26	3.70
2460567.978 (2024-Sep-14.478)	18.36 ± 0.46	4.81
2460570.815 (2024-Sep-17.315)	18.41 ± 0.16	3.71
2460572.929 (2024-Sep-19.429)	19.48 ± 0.42	4.14

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 3416.65)

Single lens fit parameters

t_max	=	JD 2457822.29	±	0.26 UT (2017-Mar-9.79)
t_E	=	1121.10	±	207.72 days
u₀	=	0.0407	±	0.0098
I_base	=	20.69	±	0.08

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice