MOA 2021-BLG-316

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Event Parameters

Internal ID:	gb10-R-8-77256
Discovery date:	2021-08-09T13:06:43
RA:	18:01:21.92
Dec:	-27:30:25.92
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
154988	18:01:22.14	-27:30:24.22	16.99 ± 0.15	4.37
155064	18:01:22.01	-27:30:22.77	16.88 ± 0.24	4.29
155144	18:01:21.92	-27:30:26.38	17.31 ± 0.25	0.74
155200	18:01:21.78	-27:30:23.55	18.66 ± 0.25	3.28

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.852 (2023-Oct-29.352)	17.17 ± 0.07	3.54
2460246.886 (2023-Oct-29.386)	17.15 ± 0.06	3.59
2460246.897 (2023-Oct-29.397)	17.24 ± 0.07	3.11
2460246.908 (2023-Oct-29.408)	17.15 ± 0.07	3.51
2460246.919 (2023-Oct-29.419)	17.06 ± 0.09	3.99

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 10854.25)

Single lens fit parameters

t_max	=	JD 2459436.67	±	0.00 UT (2021-Aug-10.17)
t_E	=	6.24	±	0.48 days
u₀	=	0.0326	±	0.0082
I_base	=	19.44	±	0.30

External data

Gzipped FITS finder chart

All photometry data

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