MOA 2023-BLG-390

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Event Parameters

Internal ID:	gb13-R-2-78410
Discovery date:	2023-08-21T18:51:15
RA:	18:03:17.14
Dec:	-28:59:50.01
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
6741	18:03:17.08	-28:59:53.62	17.16 ± 0.09	4.59
6762	18:03:17.12	-28:59:45.90	17.09 ± 0.08	3.80
6798	18:03:17.20	-28:59:49.44	15.01 ± 0.03	0.11
6856	18:03:17.31	-28:59:45.48	17.63 ± 0.07	4.40

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	15.00 ± 0.01	3.70
2460245.920 (2023-Oct-28.420)	15.04 ± 0.01	3.94
2460246.857 (2023-Oct-29.357)	15.03 ± 0.01	3.87
2460246.890 (2023-Oct-29.390)	15.01 ± 0.01	3.87
2460246.924 (2023-Oct-29.424)	15.04 ± 0.01	3.94

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 90115.60)

Single lens fit parameters

t_max	=	JD 2460177.98	±	0.00 UT (2023-Aug-21.48)
t_E	=	5915.66	±	5095.42 days
u₀	=	0.0000	±	0.0002
I_base	=	25.94	±	0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice