MOA 2017-BLG-219

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Event Parameters

Internal ID:	gb14-R-8-77096
Discovery date:	2017-05-04T21:28:12
RA:	18:07:26.30
Dec:	-27:19:43.00
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
49024	18:07:26.44	-27:19:44.58	15.25 ± 0.04	2.62
49153	18:07:26.18	-27:19:45.65	17.99 ± 0.10	2.37
49223	18:07:26.05	-27:19:44.95	17.71 ± 0.08	3.25
49250	18:07:26.00	-27:19:41.92	18.91 ± 0.15	3.95

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.855 (2023-Oct-29.355)	99.99 ± 99.99	3.42
2460246.889 (2023-Oct-29.389)	99.99 ± 99.99	3.67
2460246.901 (2023-Oct-29.401)	99.99 ± 99.99	2.99
2460246.911 (2023-Oct-29.411)	99.99 ± 99.99	3.62
2460246.923 (2023-Oct-29.423)	99.99 ± 99.99	3.94

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

Single lens fit parameters

t_max	=	JD 2457876.95	±	0.01 UT (2017-May-3.45)
t_E	=	43.62	±	1.72 days
u₀	=	0.0144	±	0.0015
I_base	=	20.32	±	0.21

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice