MOA 2023-BLG-231

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Event Parameters

Internal ID:	gb17-R-2-22861
Discovery date:	2023-06-06T19:57:40
RA:	18:10:22.19
Dec:	-27:13:53.02
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
23119	18:10:22.00	-27:13:52.36	17.79 ± 0.08	3.21
23174	18:10:22.19	-27:13:54.66	17.71 ± 0.09	2.41
23206	18:10:22.30	-27:13:52.02	17.49 ± 0.04	1.06

Last 5 photometry measurements

Observation date	I mag	seeing
2460610.879 (2024-Oct-27.379)	99.99 ± 99.99	5.50
2460610.916 (2024-Oct-27.416)	19.34 ± 2.69	5.09
2460611.891 (2024-Oct-28.391)	17.81 ± 0.16	4.41
2460611.926 (2024-Oct-28.426)	99.99 ± 99.99	5.62
2460614.884 (2024-Oct-31.384)	20.73 ± 15.29	5.33

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 9196.02)

Single lens fit parameters

t_max	=	JD 2460102.68	±	0.06 UT (2023-Jun-7.18)
t_E	=	20.01	±	1.59 days
u₀	=	0.1793	±	0.0244
I_base	=	18.82	±	0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice