MOA 2022-BLG-548

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb4-R-9-100301
Discovery date:	2022-10-07T12:47:17
RA:	17:55:46.84
Dec:	-30:46:51.48
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
93717	17:55:46.76	-30:46:48.40	15.44 ± 0.14	3.83
93718	17:55:46.74	-30:46:53.29	16.90 ± 0.14	1.50
93822	17:55:46.54	-30:46:54.77	16.13 ± 0.05	4.50

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	16.70 ± 0.05	3.58
2460246.898 (2023-Oct-29.398)	16.75 ± 0.05	3.21
2460246.909 (2023-Oct-29.409)	16.86 ± 0.07	3.50
2460246.920 (2023-Oct-29.420)	16.82 ± 0.08	3.73
2460246.929 (2023-Oct-29.429)	16.79 ± 0.08	3.68

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 15848.93)

Single lens fit parameters

t_max	=	JD 2459859.77	±	0.09 UT (2022-Oct-7.27)
t_E	=	10.47	±	0.28 days
u₀	=	0.2097	±	0.0128
I_base	=	18.60	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice