MOA 2017-BLG-224

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb5-R-7-118313
Discovery date:	2017-05-05T14:36:09
RA:	17:54:26.51
Dec:	-29:37:21.54
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
152656	17:54:26.77	-29:37:20.93	16.69 ± 0.09	4.34
152728	17:54:26.61	-29:37:20.96	15.84 ± 0.08	2.29
152749	17:54:26.58	-29:37:23.90	16.19 ± 0.10	2.38
152961	17:54:26.14	-29:37:19.71	16.51 ± 0.27	5.00

Last 5 photometry measurements

Observation date	I mag	seeing
2460611.907 (2024-Oct-28.407)	18.65 ± 0.78	4.97
2460611.918 (2024-Oct-28.418)	18.60 ± 1.88	5.52
2460614.862 (2024-Oct-31.362)	99.99 ± 99.99	5.46
2460614.868 (2024-Oct-31.368)	11.86 ± 0.15	5.74
2460614.872 (2024-Oct-31.372)	99.99 ± 99.99	4.62

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

Single lens fit parameters

t_max	=	JD 2457879.11	±	0.03 UT (2017-May-5.61)
t_E	=	19.82	±	1.66 days
u₀	=	0.1089	±	0.0137
I_base	=	20.31	±	0.37

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice