MOA 2017-BLG-288

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb4-R-8-66410
Discovery date:	2017-05-30T15:26:43
RA:	17:54:14.35
Dec:	-31:09:03.04
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
183157	17:54:14.62	-31:09:03.37	15.40 ± 0.05	4.12
183262	17:54:14.35	-31:09:06.12	18.89 ± 0.15	2.64
183306	17:54:14.28	-31:09:03.41	16.85 ± 0.14	0.38
183367	17:54:14.16	-31:09:04.27	17.33 ± 0.17	2.04

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.899 (2024-Oct-28.399)	16.99 ± 0.09	4.46
2460611.911 (2024-Oct-28.411)	17.11 ± 0.32	4.67
2460611.921 (2024-Oct-28.421)	18.10 ± 1.57	4.63
2460611.930 (2024-Oct-28.430)	16.76 ± 0.11	4.59
2460614.875 (2024-Oct-31.375)	16.80 ± 0.11	4.88

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 16657.12)

Single lens fit parameters

t_max	=	JD 2457942.25	±	0.02 UT (2017-Jul-7.75)
t_E	=	45.06	±	0.61 days
u₀	=	0.4155	±	0.0078
I_base	=	17.05	±	0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice