MOA 2021-BLG-437

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Event Parameters

Internal ID:	gb10-R-10-66045
Discovery date:	2021-10-15T13:09:14
RA:	18:00:59.01
Dec:	-26:46:57.50
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
37980	18:00:59.08	-26:47:01.88	19.15 ± 0.10	4.32
38005	18:00:58.99	-26:46:57.94	18.92 ± 0.07	0.36
38084	18:00:58.74	-26:47:00.98	17.02 ± 0.03	4.44

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.852 (2023-Oct-29.352)	19.28 ± 0.81	3.68
2460246.886 (2023-Oct-29.386)	18.21 ± 0.27	3.78
2460246.897 (2023-Oct-29.397)	18.25 ± 0.25	3.34
2460246.908 (2023-Oct-29.408)	99.99 ± 99.99	3.72
2460246.919 (2023-Oct-29.419)	18.49 ± 0.56	4.26

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 2472.86)

Single lens fit parameters

t_max	=	JD 2459511.51	±	0.22 UT (2021-Oct-24.01)
t_E	=	38.97	±	1.51 days
u₀	=	0.2774	±	0.0186
I_base	=	18.29	±	0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice