MOA 2017-BLG-139

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Event Parameters

Internal ID:	gb9-R-7-48934
Discovery date:	2017-03-29T15:56:18
RA:	18:01:12.27
Dec:	-29:34:58.48
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
46657	18:01:12.27	-29:34:57.20	15.83 ± 0.07	2.03
46733	18:01:12.09	-29:34:57.24	17.67 ± 0.19	2.59

Last 5 photometry measurements

Observation date	I mag	seeing
2460518.886 (2024-Jul-27.386)	17.93 ± 0.37	2.68
2460518.907 (2024-Jul-27.407)	17.87 ± 0.24	3.35
2460518.919 (2024-Jul-27.419)	18.80 ± 1.41	3.43
2460519.045 (2024-Jul-27.545)	99.99 ± 99.99	2.99
2460519.048 (2024-Jul-27.548)	19.49 ± 0.77	2.96

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

Single lens fit parameters

t_max	=	JD 2457830.47	±	0.08 UT (2017-Mar-17.97)
t_E	=	23.79	±	0.94 days
u₀	=	0.3371	±	0.0199
I_base	=	18.01	±	0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice