MOA 2019-BLG-271

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Event Parameters

Internal ID:	gb19-R-5-16309
Discovery date:	2019-06-23T15:08:28
RA:	18:15:13.01
Dec:	-26:12:03.08
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
4577	18:15:12.94	-26:12:01.50	14.93 ± 0.03	1.96
4671	18:15:13.16	-26:11:59.27	18.72 ± 0.12	3.79
4690	18:15:13.09	-26:12:02.88	17.36 ± 0.08	0.63
4779	18:15:13.36	-26:12:02.79	18.72 ± 0.11	4.40

Last 5 photometry measurements

Observation date	I mag	seeing
2460570.824 (2024-Sep-17.324)	17.09 ± 0.06	3.71
2460570.902 (2024-Sep-17.402)	17.29 ± 0.07	4.05
2460570.973 (2024-Sep-17.473)	16.98 ± 0.08	4.13
2460571.042 (2024-Sep-17.542)	17.03 ± 0.12	4.57
2460572.911 (2024-Sep-19.411)	17.09 ± 0.09	4.28

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 10356.19)

Single lens fit parameters

t_max	=	JD 2458663.58	±	0.04 UT (2019-Jun-29.08)
t_E	=	41.40	±	0.99 days
u₀	=	0.1656	±	0.0050
I_base	=	17.42	±	0.15

External data

Gzipped FITS finder chart

All photometry data

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