MOA 2022-BLG-258

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Event Parameters

Internal ID:	gb17-R-9-30806
Discovery date:	2022-05-23T20:13:07
RA:	18:14:52.50
Dec:	-27:02:52.80
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
5233	18:14:52.48	-27:02:52.17	16.70 ± 0.04	1.33
5271	18:14:52.39	-27:02:49.14	17.80 ± 0.05	4.53
5315	18:14:52.30	-27:02:57.27	18.36 ± 0.12	4.65
5356	18:14:52.22	-27:02:54.70	18.76 ± 0.14	3.56

Last 5 photometry measurements

Observation date	I mag	seeing
2460536.973 (2024-Aug-14.473)	16.78 ± 0.05	3.52
2460537.010 (2024-Aug-14.510)	16.72 ± 0.03	2.96
2460537.047 (2024-Aug-14.547)	16.91 ± 0.11	4.23
2460537.082 (2024-Aug-14.582)	16.65 ± 0.08	4.20
2460537.119 (2024-Aug-14.619)	16.65 ± 0.37	5.30

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 19142.56)

Single lens fit parameters

t_max	=	JD 2459720.81	±	0.06 UT (2022-May-21.31)
t_E	=	20.33	±	1.85 days
u₀	=	0.0951	±	0.0103
I_base	=	19.93	±	0.17

External data

Gzipped FITS finder chart

All photometry data

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