MOA 2020-BLG-258

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb5-R-8-114562
Discovery date:	2020-09-11T11:39:39
RA:	17:56:38.30
Dec:	-29:16:53.40
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
100169	17:56:38.25	-29:16:51.28	18.96 ± 0.12	2.81
100170	17:56:38.25	-29:16:55.83	17.27 ± 0.04	1.91

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.848 (2023-Oct-29.348)	18.89 ± 0.55	3.84
2460246.883 (2023-Oct-29.383)	20.49 ± 2.06	3.55
2460246.895 (2023-Oct-29.395)	19.44 ± 0.75	3.50
2460246.905 (2023-Oct-29.405)	20.29 ± 1.39	3.43
2460246.917 (2023-Oct-29.417)	20.25 ± 1.43	3.49

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2459105.58	±	0.02 UT (2020-Sep-13.08)
t_E	=	58.10	±	4.44 days
u₀	=	0.0000	±	0.0043
I_base	=	20.48	±	0.28

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice