MOA 2021-BLG-071

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Event Parameters

Internal ID:	gb4-R-9-80512
Discovery date:	2021-04-07T18:29:13
RA:	17:54:50.81
Dec:	-30:46:13.91
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
115896	17:54:50.95	-30:46:12.31	16.34 ± 0.03	3.37
115940	17:54:50.83	-30:46:18.45	16.20 ± 0.03	4.17
115961	17:54:50.78	-30:46:14.09	17.47 ± 0.08	0.47
116011	17:54:50.64	-30:46:16.48	19.60 ± 0.30	2.68
116071	17:54:50.45	-30:46:14.20	17.81 ± 0.07	4.29

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	17.27 ± 0.07	3.49
2460246.898 (2023-Oct-29.398)	17.27 ± 0.07	3.08
2460246.909 (2023-Oct-29.409)	17.36 ± 0.09	3.37
2460246.920 (2023-Oct-29.420)	17.40 ± 0.11	3.65
2460246.929 (2023-Oct-29.429)	17.38 ± 0.12	3.71

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 9349.75)

Single lens fit parameters

t_max	=	JD 2459326.03	±	0.01 UT (2021-Apr-21.53)
t_E	=	13.58	±	0.21 days
u₀	=	0.3725	±	0.0083
I_base	=	17.05	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice