MOA 2017-BLG-258

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Event Parameters

Internal ID:	gb23-R-9-7254
Discovery date:	2017-05-15T17:14:00
RA:	17:35:48.96
Dec:	-26:55:12.43
Current assessment:	microlensing

A transient event found by MOA. Possible binary event.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation

Last 5 photometry measurements

Observation date	I mag	seeing
2460602.917 (2024-Oct-19.417)	99.99 ± 99.99	3.42
2460610.877 (2024-Oct-27.377)	99.99 ± 99.99	5.39
2460610.906 (2024-Oct-27.406)	99.99 ± 99.99	5.13
2460611.882 (2024-Oct-28.382)	99.99 ± 99.99	4.49
2460614.882 (2024-Oct-31.382)	16.20 ± 0.19	7.06

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

Single lens fit parameters

t_max	=	JD 2457891.25	±	0.02 UT (2017-May-17.75)
t_E	=	0.49	±	0.00 days
u₀	=	16.0864	±	0.1329
I_base	=	5.00	±	0.00

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice