MOA 2021-BLG-375

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Event Parameters

Internal ID:	gb1-R-4-40708
Discovery date:	2021-09-03T14:39:27
RA:	17:46:15.52
Dec:	-34:31:57.82
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
151222	17:46:15.32	-34:31:56.79	16.30 ± 0.04	3.19
151327	17:46:15.54	-34:31:59.35	19.37 ± 0.15	2.22
151376	17:46:15.65	-34:31:57.77	18.70 ± 0.10	1.17
151463	17:46:15.84	-34:31:59.12	18.67 ± 0.09	3.92

Last 5 photometry measurements

Observation date	I mag	seeing
2460572.938 (2024-Sep-19.438)	18.96 ± 0.30	3.95
2460573.010 (2024-Sep-19.510)	18.87 ± 1.41	4.65
2460573.014 (2024-Sep-19.514)	99.99 ± 99.99	4.30
2460574.026 (2024-Sep-20.526)	19.15 ± 0.60	4.55
2460575.925 (2024-Sep-22.425)	99.99 ± 99.99	5.22

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 3025.52)

Single lens fit parameters

t_max	=	JD 2459459.93	±	0.04 UT (2021-Sep-2.43)
t_E	=	13.26	±	2.10 days
u₀	=	0.2501	±	0.0697
I_base	=	19.21	±	0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice