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
2460518.808 (2024-Jul-27.308)	99.99 ± 99.99	2.96
2460518.840 (2024-Jul-27.340)	99.99 ± 99.99	2.91
2460518.873 (2024-Jul-27.373)	22.12 ± 4.54	2.35
2460518.895 (2024-Jul-27.395)	99.99 ± 99.99	2.76
2460518.916 (2024-Jul-27.416)	99.99 ± 99.99	3.17

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