MOA 2021-BLG-278

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Event Parameters

Internal ID:	gb3-R-8-25628
Discovery date:	2021-07-24T13:27:28
RA:	17:54:36.55
Dec:	-32:44:09.23
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
73780	17:54:36.86	-32:44:09.57	17.32 ± 0.09	4.67
73981	17:54:36.42	-32:44:10.61	17.46 ± 0.09	1.33
74000	17:54:36.37	-32:44:06.01	19.69 ± 0.24	4.30
74001	17:54:36.39	-32:44:12.77	18.42 ± 0.08	3.34

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.899 (2023-Oct-29.399)	17.40 ± 0.05	3.01
2460246.910 (2023-Oct-29.410)	17.37 ± 0.06	3.28
2460246.922 (2023-Oct-29.422)	17.65 ± 0.12	3.66
2460246.930 (2023-Oct-29.430)	17.52 ± 0.11	3.58
2460246.933 (2023-Oct-29.433)	17.37 ± 0.10	3.79

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 9427.58)

Single lens fit parameters

t_max	=	JD 2459419.10	±	0.03 UT (2021-Jul-23.60)
t_E	=	9.87	±	0.62 days
u₀	=	0.2182	±	0.0220
I_base	=	19.38	±	0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice