MOA 2023-BLG-273

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Event Parameters

Internal ID:	gb13-R-1-116898
Discovery date:	2023-06-18T01:08:37
RA:	18:05:30.80
Dec:	-28:24:28.63
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
83999	18:05:30.67	-28:24:30.61	15.79 ± 0.05	3.67
84052	18:05:30.81	-28:24:27.46	15.66 ± 0.03	0.81
84124	18:05:31.08	-28:24:29.82	14.16 ± 0.03	3.73
84134	18:05:31.12	-28:24:25.75	16.13 ± 0.03	4.41

Last 5 photometry measurements

Observation date	I mag	seeing
2460245.887 (2023-Oct-28.387)	15.79 ± 0.05	3.85
2460245.920 (2023-Oct-28.420)	15.76 ± 0.06	4.07
2460246.857 (2023-Oct-29.357)	15.71 ± 0.05	4.08
2460246.890 (2023-Oct-29.390)	15.66 ± 0.05	4.03
2460246.924 (2023-Oct-29.424)	15.60 ± 0.08	4.25

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 49842.52)

Single lens fit parameters

t_max	=	JD 2460111.95	±	0.00 UT (2023-Jun-16.45)
t_E	=	9.70	±	0.01 days
u₀	=	0.0037	±	0.0001
I_base	=	20.27	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice