MOA 2021-BLG-054

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Event Parameters

Internal ID:	gb2-R-4-19445
Discovery date:	2021-03-23T14:21:44
RA:	17:52:33.13
Dec:	-34:41:44.93
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
146193	17:52:32.81	-34:41:45.30	18.12 ± 0.23	4.86
146325	17:52:33.05	-34:41:46.05	18.66 ± 0.11	2.45
146362	17:52:33.18	-34:41:44.18	16.81 ± 0.17	0.18
146458	17:52:33.34	-34:41:47.68	15.36 ± 0.03	3.98

Last 5 photometry measurements

Observation date	I mag	seeing
2460573.012 (2024-Sep-19.512)	15.00 ± 0.11	4.99
2460573.015 (2024-Sep-19.515)	15.83 ± 0.15	4.13
2460574.027 (2024-Sep-20.527)	15.02 ± 0.11	4.95
2460574.040 (2024-Sep-20.540)	15.50 ± 0.13	4.56
2460575.929 (2024-Sep-22.429)	15.01 ± 0.34	6.16

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 17282.24)

Single lens fit parameters

t_max	=	JD 2459295.59	±	0.00 UT (2021-Mar-22.09)
t_E	=	7490.47	±	7170.07 days
u₀	=	0.0000	±	0.0009
I_base	=	26.31	±	0.19

External data

Gzipped FITS finder chart

All photometry data

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