MOA 2022-BLG-143

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb8-R-10-74468
Discovery date:	2022-04-02T17:30:41
RA:	18:02:29.58
Dec:	-30:25:09.65
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
85487	18:02:29.60	-30:25:10.85	18.90 ± 0.23	1.07
85502	18:02:29.52	-30:25:06.48	17.62 ± 0.17	3.95
85567	18:02:29.43	-30:25:10.74	18.87 ± 0.19	1.60
85640	18:02:29.28	-30:25:12.17	19.02 ± 0.17	4.03

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.888 (2023-Oct-28.388)	17.99 ± 0.24	3.58
2460245.921 (2023-Oct-28.421)	17.50 ± 0.20	3.70
2460246.858 (2023-Oct-29.358)	17.98 ± 0.18	3.66
2460246.891 (2023-Oct-29.391)	17.72 ± 0.16	3.75
2460246.925 (2023-Oct-29.425)	17.51 ± 0.18	3.54

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 2516.52)

Single lens fit parameters

t_max	=	JD 2459679.08	±	0.03 UT (2022-Apr-9.58)
t_E	=	66.92	±	3.64 days
u₀	=	0.0901	±	0.0064
I_base	=	19.69	±	0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice