MOA 2021-BLG-420

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Event Parameters

Internal ID:	gb17-R-7-38305
Discovery date:	2021-10-05T14:12:18
RA:	18:13:07.38
Dec:	-27:51:45.16
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
165265	18:13:07.34	-27:51:45.79	17.30 ± 0.12	0.04
165341	18:13:07.20	-27:51:43.43	14.91 ± 0.04	3.05
165342	18:13:07.18	-27:51:46.59	14.80 ± 0.04	2.30

Last 5 photometry measurements

Observation date	I mag	seeing
2460570.962 (2024-Sep-17.462)	16.96 ± 0.12	3.33
2460571.002 (2024-Sep-17.502)	16.88 ± 0.14	4.15
2460571.035 (2024-Sep-17.535)	16.86 ± 0.16	4.29
2460572.901 (2024-Sep-19.401)	17.16 ± 0.34	3.86
2460572.948 (2024-Sep-19.448)	16.62 ± 0.09	3.81

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 10954.69)

Single lens fit parameters

t_max	=	JD 2459621.87	±	30.76 UT (2022-Feb-11.37)
t_E	=	13.54	±	55.26 days
u₀	=	5.1613	±	4.6870
I_base	=	7.69	±	0.20

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice