MOA 2022-BLG-145

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Event Parameters

Internal ID:	gb20-R-9-7215
Discovery date:	2022-04-03T12:19:48
RA:	18:19:08.12
Dec:	-23:30:03.57
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
154887	18:19:08.35	-23:30:01.73	14.69 ± 0.01	4.69
154931	18:19:08.28	-23:30:05.16	19.54 ± 0.29	3.14
155056	18:19:08.07	-23:30:03.71	17.78 ± 0.18	0.46
155213	18:19:07.79	-23:30:02.29	16.82 ± 0.14	4.56

Last 5 photometry measurements

Observation date	I mag	seeing
2460239.942 (2023-Oct-22.442)	18.05 ± 0.29	3.44
2460244.877 (2023-Oct-27.377)	17.43 ± 0.16	4.34
2460245.871 (2023-Oct-28.371)	17.66 ± 0.23	3.25
2460246.850 (2023-Oct-29.350)	17.67 ± 0.26	3.54
2460246.871 (2023-Oct-29.371)	17.52 ± 0.28	3.17

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 7040.44)

Single lens fit parameters

t_max	=	JD 2459681.40	±	0.54 UT (2022-Apr-11.90)
t_E	=	16.83	±	23.07 days
u₀	=	2.0110	±	1.4542
I_base	=	15.31	±	0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice