MOA 2017-BLG-158

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Event Parameters

Internal ID:	gb6-R-6-21449
Discovery date:	2017-04-08T16:15:03
RA:	17:55:44.16
Dec:	-28:03:34.35
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
41883	17:55:44.41	-28:03:36.80	18.55 ± 0.11	4.52
42032	17:55:44.13	-28:03:32.35	17.72 ± 0.08	2.72
42057	17:55:44.12	-28:03:34.84	18.16 ± 0.06	0.15
42058	17:55:44.11	-28:03:37.18	19.90 ± 0.14	2.36

Last 5 photometry measurements

Observation date	I mag	seeing
2460516.796 (2024-Jul-25.296)	18.15 ± 0.08	3.47
2460516.920 (2024-Jul-25.420)	18.13 ± 0.08	3.16
2460518.071 (2024-Jul-26.571)	17.66 ± 0.50	4.61
2460518.822 (2024-Jul-27.322)	18.12 ± 0.10	2.99
2460518.890 (2024-Jul-27.390)	18.10 ± 0.13	2.79

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 4975.08)

Single lens fit parameters

t_max	=	JD 2457853.74	±	0.12 UT (2017-Apr-10.24)
t_E	=	28.37	±	2.84 days
u₀	=	0.2869	±	0.0490
I_base	=	18.41	±	0.13

External data

Gzipped FITS finder chart

All photometry data

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