MOA 2017-BLG-191

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Event Parameters

Internal ID:	gb9-R-5-99861
Discovery date:	2017-04-20T18:23:35
RA:	17:59:10.07
Dec:	-30:05:44.27
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
49105	17:59:09.88	-30:05:45.54	16.02 ± 0.10	3.82
49200	17:59:10.08	-30:05:40.36	18.05 ± 0.12	3.56
49249	17:59:10.14	-30:05:43.54	17.20 ± 0.08	0.41
49300	17:59:10.32	-30:05:41.22	18.06 ± 0.13	3.85
49315	17:59:10.40	-30:05:45.93	17.46 ± 0.07	4.47

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.919 (2024-Oct-28.419)	17.33 ± 0.21	5.61
2460611.928 (2024-Oct-28.428)	17.42 ± 0.16	5.00
2460614.863 (2024-Oct-31.363)	16.90 ± 0.21	5.55
2460614.869 (2024-Oct-31.369)	17.17 ± 0.11	5.07
2460614.873 (2024-Oct-31.373)	17.80 ± 0.45	5.57

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 12000.52)

Single lens fit parameters

t_max	=	JD 2457867.80	±	0.01 UT (2017-Apr-24.30)
t_E	=	8.05	±	0.37 days
u₀	=	0.2737	±	0.0198
I_base	=	17.88	±	0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice