MOA 2023-BLG-187

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb5-R-7-223208
Discovery date:	2023-05-14T21:50:44
RA:	17:54:11.38
Dec:	-29:43:46.49
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
160264	17:54:11.64	-29:43:45.83	17.19 ± 0.17	4.28
160367	17:54:11.39	-29:43:44.70	18.20 ± 0.30	2.58
160413	17:54:11.40	-29:43:46.94	18.62 ± 0.27	0.92
160435	17:54:11.28	-29:43:49.66	16.02 ± 0.16	2.78
160486	17:54:11.20	-29:43:44.31	16.32 ± 0.14	3.40

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	19.87 ± 1.86	3.70
2460246.883 (2023-Oct-29.383)	19.48 ± 0.72	3.47
2460246.895 (2023-Oct-29.395)	18.75 ± 0.44	3.27
2460246.905 (2023-Oct-29.405)	18.04 ± 0.20	3.20
2460246.917 (2023-Oct-29.417)	18.06 ± 0.21	3.44

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 3259.87)

Single lens fit parameters

t_max	=	JD 2460079.32	±	0.01 UT (2023-May-14.82)
t_E	=	2.55	±	0.37 days
u₀	=	0.1503	±	0.0272
I_base	=	18.78	±	0.46

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice