MOA 2021-BLG-407

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Event Parameters

Internal ID:	gb6-R-7-20238
Discovery date:	2021-09-30T12:58:45
RA:	17:56:12.92
Dec:	-27:57:17.64
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
121585	17:56:13.20	-27:57:19.56	20.08 ± 0.16	4.77
121758	17:56:12.88	-27:57:18.25	17.31 ± 0.06	0.09
121875	17:56:12.70	-27:57:18.17	19.13 ± 0.14	2.41
121922	17:56:12.60	-27:57:20.95	19.32 ± 0.11	4.67
121952	17:56:12.54	-27:57:17.40	19.10 ± 0.10	4.77

Last 5 photometry measurements

Observation date	I mag	seeing
2460235.907 (2023-Oct-18.407)	17.51 ± 0.07	3.92
2460239.931 (2023-Oct-22.431)	16.98 ± 0.09	3.44
2460244.880 (2023-Oct-27.380)	16.81 ± 0.13	4.50
2460245.875 (2023-Oct-28.375)	17.84 ± 0.20	3.11
2460246.874 (2023-Oct-29.374)	17.54 ± 0.15	3.53

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 10894.32)

Single lens fit parameters

t_max	=	JD 2459486.51	±	0.03 UT (2021-Sep-29.01)
t_E	=	436.34	±	236.73 days
u₀	=	0.0063	±	0.0077
I_base	=	22.91	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice