MOA 2022-BLG-559

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb13-R-4-85821
Discovery date:	2022-10-13T15:05:01
RA:	18:03:52.15
Dec:	-29:43:25.40
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
25137	18:03:52.00	-29:43:21.22	18.63 ± 0.17	4.63
25172	18:03:52.02	-29:43:23.39	18.90 ± 0.29	2.86
25259	18:03:52.19	-29:43:24.67	18.08 ± 0.13	0.17
25327	18:03:52.31	-29:43:26.45	16.64 ± 0.08	2.27

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	18.01 ± 0.14	3.40
2460245.920 (2023-Oct-28.420)	18.03 ± 0.23	3.45
2460246.857 (2023-Oct-29.357)	18.28 ± 0.22	3.65
2460246.890 (2023-Oct-29.390)	18.18 ± 0.20	3.66
2460246.924 (2023-Oct-29.424)	18.48 ± 0.29	3.59

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 5360.43)

Single lens fit parameters

t_max	=	JD 2459869.91	±	0.00 UT (2022-Oct-17.41)
t_E	=	12.93	±	0.75 days
u₀	=	0.0167	±	0.0068
I_base	=	18.62	±	0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice