MOA 2022-BLG-317

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Event Parameters

Internal ID:	gb2-R-4-21255
Discovery date:	2022-06-20T19:34:51
RA:	17:50:49.37
Dec:	-34:44:14.66
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
95425	17:50:49.06	-34:44:14.50	16.99 ± 0.12	4.62
95605	17:50:49.40	-34:44:18.04	16.08 ± 0.07	4.12
95625	17:50:49.46	-34:44:14.18	15.43 ± 0.04	0.62
95708	17:50:49.63	-34:44:16.46	18.15 ± 0.11	3.73

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.864 (2023-Oct-29.364)	15.36 ± 0.02	3.41
2460246.904 (2023-Oct-29.404)	15.34 ± 0.02	3.08
2460246.932 (2023-Oct-29.432)	15.35 ± 0.02	3.70
2460246.936 (2023-Oct-29.436)	15.32 ± 0.02	3.52
2460246.939 (2023-Oct-29.439)	15.35 ± 0.02	3.49

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 61489.36)

Single lens fit parameters

t_max	=	JD 2459789.46	±	0.20 UT (2022-Jul-28.96)
t_E	=	2077.95	±	11.28 days
u₀	=	0.0107	±	0.0002
I_base	=	22.67	±	0.18

External data

Gzipped FITS finder chart

All photometry data

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