MOA 2022-BLG-477

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb9-R-4-103195
Discovery date:	2022-08-30T16:19:32
RA:	17:57:37.38
Dec:	-29:37:30.98
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
17661	17:57:37.14	-29:37:29.61	17.92 ± 0.19	4.05
17768	17:57:37.33	-29:37:30.18	16.00 ± 0.06	1.43
17812	17:57:37.40	-29:37:32.74	18.60 ± 0.19	2.47

Last 5 photometry measurements

Observation date	I mag	seeing
2460537.085 (2024-Aug-14.585)	16.02 ± 0.13	4.32
2460537.100 (2024-Aug-14.600)	15.71 ± 0.24	5.16
2460537.112 (2024-Aug-14.612)	15.77 ± 0.15	4.93
2460537.122 (2024-Aug-14.622)	15.19 ± 0.25	5.48
2460537.133 (2024-Aug-14.633)	15.76 ± 0.63	5.63

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 36140.99)

Single lens fit parameters

t_max	=	JD 2459828.96	±	0.07 UT (2022-Sep-6.46)
t_E	=	48.20	±	3.05 days
u₀	=	0.1567	±	0.0148
I_base	=	19.19	±	0.25

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice