MOA 2022-BLG-454

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Event Parameters

Internal ID:	gb8-R-10-78825
Discovery date:	2022-08-22T09:07:02
RA:	18:00:55.33
Dec:	-30:21:27.76
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
126907	18:00:55.57	-30:21:25.90	15.29 ± 0.03	4.65
127027	18:00:55.30	-30:21:28.46	16.73 ± 0.07	0.25
127157	18:00:54.99	-30:21:29.50	16.98 ± 0.08	4.09

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.888 (2023-Oct-28.388)	16.67 ± 0.06	3.56
2460245.921 (2023-Oct-28.421)	16.51 ± 0.06	3.63
2460246.858 (2023-Oct-29.358)	16.70 ± 0.06	3.68
2460246.891 (2023-Oct-29.391)	16.71 ± 0.06	3.74
2460246.925 (2023-Oct-29.425)	16.70 ± 0.07	3.46

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 18518.25)

Single lens fit parameters

t_max	=	JD 2459816.44	±	0.09 UT (2022-Aug-24.94)
t_E	=	11.71	±	2.22 days
u₀	=	0.6443	±	0.1561
I_base	=	17.38	±	0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice