MOA 2022-BLG-454

Previous event Next event Return to alert index

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
2460536.995 (2024-Aug-14.495)	16.66 ± 0.06	2.51
2460537.035 (2024-Aug-14.535)	16.70 ± 0.06	3.19
2460537.070 (2024-Aug-14.570)	16.65 ± 0.08	4.11
2460537.107 (2024-Aug-14.607)	16.79 ± 0.19	5.02
2460537.137 (2024-Aug-14.637)	16.22 ± 0.21	5.37

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