MOA 2022-BLG-253

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Event Parameters

Internal ID:	gb4-R-3-85115
Discovery date:	2022-05-23T17:49:38
RA:	17:51:19.74
Dec:	-31:02:40.38
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
8435	17:51:19.60	-31:02:41.11	17.29 ± 0.10	2.86
8450	17:51:19.64	-31:02:35.70	17.81 ± 0.15	4.67
8607	17:51:19.99	-31:02:40.18	17.53 ± 0.05	2.76

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	19.92 ± 0.92	3.38
2460246.898 (2023-Oct-29.398)	19.73 ± 0.79	3.13
2460246.909 (2023-Oct-29.409)	99.99 ± 99.99	3.34
2460246.920 (2023-Oct-29.420)	20.31 ± 2.05	3.65
2460246.929 (2023-Oct-29.429)	99.99 ± 99.99	3.56

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

Single lens fit parameters

t_max	=	JD 2459725.01	±	0.00 UT (2022-May-25.51)
t_E	=	52.17	±	4.05 days
u₀	=	0.0226	±	0.0022
I_base	=	21.46	±	0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice