MOA 2022-BLG-077

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb15-R-6-52525
Discovery date:	2022-03-09T18:49:15
RA:	18:08:22.83
Dec:	-26:22:42.00
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
19236	18:08:23.02	-26:22:45.21	19.47 ± 0.23	4.37
19345	18:08:22.77	-26:22:42.36	18.45 ± 0.11	0.31
19382	18:08:22.67	-26:22:45.22	18.48 ± 0.07	3.18
19487	18:08:22.48	-26:22:42.59	17.78 ± 0.12	4.24

Last 5 photometry measurements

Observation date	I mag	seeing
2460536.834 (2024-Aug-14.334)	17.89 ± 0.16	3.92
2460536.907 (2024-Aug-14.407)	18.15 ± 0.22	2.78
2460536.982 (2024-Aug-14.482)	18.06 ± 0.25	3.40
2460537.056 (2024-Aug-14.556)	18.22 ± 0.32	4.47
2460537.128 (2024-Aug-14.628)	16.08 ± 0.26	6.22

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 3784.43)

Single lens fit parameters

t_max	=	JD 2459656.11	±	0.15 UT (2022-Mar-17.61)
t_E	=	1.62	±	0.03 days
u₀	=	11.5426	±	0.2300
I_base	=	7.06	±	0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice