MOA 2023-BLG-001

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Event Parameters

Internal ID:	gb4-R-5-59518
Discovery date:	2023-02-21T03:01:10
RA:	17:52:48.97
Dec:	-31:47:56.75
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
26745	17:52:49.03	-31:47:56.05	16.57 ± 0.06	0.29
26818	17:52:49.24	-31:47:53.53	17.01 ± 0.11	4.17
26833	17:52:49.30	-31:47:58.22	18.23 ± 0.09	4.35
26834	17:52:49.30	-31:47:54.99	16.68 ± 0.04	4.08

Last 5 photometry measurements

Observation date	I mag	seeing
2460246.887 (2023-Oct-29.387)	16.58 ± 0.04	3.48
2460246.898 (2023-Oct-29.398)	16.60 ± 0.04	3.25
2460246.909 (2023-Oct-29.409)	16.60 ± 0.04	3.41
2460246.920 (2023-Oct-29.420)	16.59 ± 0.05	3.79
2460246.929 (2023-Oct-29.429)	16.44 ± 0.04	3.59

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 21379.62)

Single lens fit parameters

t_max	=	JD 2460011.42	±	0.03 UT (2023-Mar-7.92)
t_E	=	58.26	±	0.34 days
u₀	=	0.2457	±	0.0022
I_base	=	16.52	±	0.20

External data

Gzipped FITS finder chart

All photometry data

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