MOA 2021-BLG-421

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Event Parameters

Internal ID:	gb4-R-1-187329
Discovery date:	2021-10-05T14:13:23
RA:	17:52:14.08
Dec:	-30:11:07.20
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
90275	17:52:14.38	-30:11:07.19	14.08 ± 0.04	3.66

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	99.99 ± 99.99	4.05
2460246.898 (2023-Oct-29.398)	99.99 ± 99.99	3.88
2460246.909 (2023-Oct-29.409)	99.99 ± 99.99	4.01
2460246.920 (2023-Oct-29.420)	99.99 ± 99.99	4.23
2460246.929 (2023-Oct-29.429)	99.99 ± 99.99	4.21

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2459492.79	±	0.02 UT (2021-Oct-5.29)
t_E	=	6.54	±	3.23 days
u₀	=	0.0065	±	0.0032
I_base	=	20.28	±	0.27

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice