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
2460244.893 (2023-Oct-27.393)	21.30 ± 3.82	3.71
2460245.861 (2023-Oct-28.361)	99.99 ± 99.99	3.55
2460245.890 (2023-Oct-28.390)	99.99 ± 99.99	2.91
2460246.860 (2023-Oct-29.360)	19.99 ± 1.15	3.78
2460246.894 (2023-Oct-29.394)	99.99 ± 99.99	3.32

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