MOA 2021-BLG-309

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Event Parameters

Internal ID:	gb10-R-4-54409
Discovery date:	2021-08-03T14:42:18
RA:	17:59:37.23
Dec:	-28:00:06.18
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
79595	17:59:37.25	-28:00:01.36	19.14 ± 0.38	4.42
79623	17:59:37.32	-28:00:08.40	16.28 ± 0.38	2.98

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.852 (2023-Oct-29.352)	99.99 ± 99.99	3.49
2460246.886 (2023-Oct-29.386)	99.99 ± 99.99	3.59
2460246.897 (2023-Oct-29.397)	99.99 ± 99.99	3.14
2460246.908 (2023-Oct-29.408)	17.93 ± 0.59	3.95
2460246.919 (2023-Oct-29.419)	99.99 ± 99.99	3.94

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

Single lens fit parameters

t_max	=	JD 2459439.56	±	0.02 UT (2021-Aug-13.06)
t_E	=	81.79	±	1.87 days
u₀	=	0.0587	±	0.0017
I_base	=	18.92	±	0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice