MOA 2022-BLG-502

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Event Parameters

Internal ID:	gb9-R-7-99269
Discovery date:	2022-09-14T09:02:14
RA:	18:02:06.14
Dec:	-29:33:37.88
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
24653	18:02:06.36	-29:33:36.20	18.68 ± 0.14	4.30
24718	18:02:06.20	-29:33:40.59	18.52 ± 0.16	2.63
24771	18:02:06.03	-29:33:37.59	15.62 ± 0.05	1.28
24861	18:02:05.81	-29:33:38.40	17.03 ± 0.10	3.86

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.884 (2023-Oct-29.384)	15.51 ± 0.02	3.54
2460246.896 (2023-Oct-29.396)	15.52 ± 0.02	3.17
2460246.906 (2023-Oct-29.406)	15.54 ± 0.03	3.36
2460246.918 (2023-Oct-29.418)	15.54 ± 0.03	3.46
2460246.927 (2023-Oct-29.427)	15.58 ± 0.04	3.39

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 51522.86)

Single lens fit parameters

t_max	=	JD 2459836.45	±	0.00 UT (2022-Sep-13.95)
t_E	=	13776.60	±	10717.07 days
u₀	=	0.0000	±	0.0001
I_base	=	27.21	±	0.22

External data

Gzipped FITS finder chart

All photometry data

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