MOA 2021-BLG-144

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Event Parameters

Internal ID:	gb4-R-9-84849
Discovery date:	2021-05-23T18:58:56
RA:	17:56:23.95
Dec:	-30:40:51.04
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
77222	17:56:24.14	-30:40:49.94	15.41 ± 0.06	3.65
77280	17:56:24.02	-30:40:55.42	18.53 ± 0.08	4.20
77336	17:56:23.90	-30:40:47.04	18.91 ± 0.17	4.78
77337	17:56:23.90	-30:40:52.16	16.31 ± 0.08	0.56
77461	17:56:23.63	-30:40:51.38	14.62 ± 0.03	3.76

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.944 (2024-Sep-19.444)	16.44 ± 0.08	4.06
2460572.954 (2024-Sep-19.454)	16.33 ± 0.07	3.91
2460572.966 (2024-Sep-19.466)	15.52 ± 0.57	4.83
2460574.031 (2024-Sep-20.531)	16.69 ± 0.13	4.89
2460575.919 (2024-Sep-22.419)	16.47 ± 0.14	4.65

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 27340.09)

Single lens fit parameters

t_max	=	JD 2459332.95	±	0.34 UT (2021-Apr-28.45)
t_E	=	1.96	±	0.10 days
u₀	=	42.9015	±	0.5877
I_base	=	3.09	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice