MOA 2021-BLG-238

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Event Parameters

Internal ID:	gb5-R-3-126197
Discovery date:	2021-07-10T12:13:58
RA:	17:53:49.76
Dec:	-29:14:37.60
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
77144	17:53:49.54	-29:14:39.46	18.78 ± 0.42	4.41
77222	17:53:49.64	-29:14:34.06	17.18 ± 0.15	3.78
77277	17:53:49.75	-29:14:38.25	18.25 ± 0.14	1.48
77329	17:53:49.80	-29:14:36.26	17.74 ± 0.14	0.80

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.962 (2024-Sep-19.462)	17.24 ± 0.18	4.72
2460573.023 (2024-Sep-19.523)	17.85 ± 0.35	4.90
2460575.899 (2024-Sep-22.399)	17.63 ± 0.16	4.14
2460575.902 (2024-Sep-22.402)	19.15 ± 2.36	4.40
2460575.915 (2024-Sep-22.415)	17.83 ± 0.42	4.63

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 7304.66)

Single lens fit parameters

t_max	=	JD 2459406.87	±	0.01 UT (2021-Jul-11.37)
t_E	=	6.32	±	0.48 days
u₀	=	0.1322	±	0.0119
I_base	=	19.24	±	0.33

External data

Gzipped FITS finder chart

All photometry data

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