MOA 2021-BLG-287

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Event Parameters

Internal ID:	gb13-R-3-34320
Discovery date:	2021-07-27T17:02:13
RA:	18:03:42.09
Dec:	-29:19:19.38
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
23036	18:03:41.91	-29:19:15.30	14.66 ± 0.05	4.70
23222	18:03:42.26	-29:19:18.54	16.08 ± 0.26	1.77
23319	18:03:42.48	-29:19:17.91	18.09 ± 0.12	4.83

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	99.99 ± 99.99	3.45
2460245.920 (2023-Oct-28.420)	99.99 ± 99.99	3.62
2460246.857 (2023-Oct-29.357)	99.99 ± 99.99	3.57
2460246.890 (2023-Oct-29.390)	99.99 ± 99.99	3.55
2460246.924 (2023-Oct-29.424)	99.99 ± 99.99	3.94

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

Single lens fit parameters

t_max	=	JD 2459426.01	±	0.03 UT (2021-Jul-30.51)
t_E	=	19.88	±	2.06 days
u₀	=	0.0991	±	0.0148
I_base	=	19.74	±	0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice