MOA 2021-BLG-436

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Event Parameters

Internal ID:	gb4-R-2-108544
Discovery date:	2021-10-13T17:44:24
RA:	17:53:47.28
Dec:	-30:37:49.63
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
93215	17:53:47.14	-30:37:46.38	18.22 ± 0.07	3.66
93230	17:53:47.17	-30:37:50.33	14.20 ± 0.03	2.39
93278	17:53:47.32	-30:37:48.82	17.22 ± 0.07	0.24
93350	17:53:47.57	-30:37:52.33	16.13 ± 0.07	4.77

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	17.13 ± 0.05	3.47
2460246.898 (2023-Oct-29.398)	17.16 ± 0.04	3.09
2460246.909 (2023-Oct-29.409)	17.20 ± 0.07	3.55
2460246.920 (2023-Oct-29.420)	17.22 ± 0.07	3.75
2460246.929 (2023-Oct-29.429)	17.08 ± 0.07	3.65

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 11792.34)

Single lens fit parameters

t_max	=	JD 2459514.86	±	0.38 UT (2021-Oct-27.36)
t_E	=	32.60	±	1.68 days
u₀	=	0.5005	±	0.0464
I_base	=	16.19	±	0.17

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice