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
2460245.899 (2023-Oct-28.399)	16.79 ± 0.12	3.12
2460245.931 (2023-Oct-28.431)	16.85 ± 0.14	3.39
2460246.862 (2023-Oct-29.362)	17.01 ± 0.16	3.58
2460246.903 (2023-Oct-29.403)	16.76 ± 0.13	3.39
2460246.931 (2023-Oct-29.431)	17.23 ± 0.23	3.79

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