MOA 2021-BLG-173

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Event Parameters

Internal ID:	gb1-R-2-60918
Discovery date:	2021-06-10T13:04:54
RA:	17:45:57.40
Dec:	-33:50:34.02
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
87755	17:45:57.28	-33:50:36.14	17.42 ± 0.03	3.54
87806	17:45:57.44	-33:50:35.02	16.46 ± 0.07	1.67
87880	17:45:57.71	-33:50:32.42	16.88 ± 0.06	3.48

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.923 (2023-Oct-28.423)	99.99 ± 99.99	3.77
2460245.937 (2023-Oct-28.437)	19.91 ± 0.67	3.75
2460246.859 (2023-Oct-29.359)	99.99 ± 99.99	3.76
2460246.892 (2023-Oct-29.392)	99.99 ± 99.99	3.75
2460246.926 (2023-Oct-29.426)	99.99 ± 99.99	3.79

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 0.00)

Single lens fit parameters

t_max	=	JD 2459377.89	±	0.00 UT (2021-Jun-12.39)
t_E	=	25.44	±	0.92 days
u₀	=	0.0098	±	0.0004
I_base	=	18.96	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice