MOA 2023-BLG-391

Previous event Next event Return to alert index

Event Parameters

Internal ID:	gb16-R-7-18175
Discovery date:	2023-08-21T18:51:19
RA:	18:14:22.09
Dec:	-29:32:08.51
Current assessment:	microlensing

A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starID	RA	Dec	mag	separation
22973	18:14:22.08	-29:32:09.21	18.11 ± 0.42	0.46
22974	18:14:22.04	-29:32:13.57	18.31 ± 0.15	4.64
23050	18:14:21.88	-29:32:04.88	17.66 ± 0.10	4.92
23098	18:14:21.82	-29:32:08.10	17.36 ± 0.08	3.30

Last 5 photometry measurements

Observation date	I mag	seeing
2460465.898 (2024-Jun-4.398)	18.43 ± 0.16	2.24
2460465.967 (2024-Jun-4.467)	18.18 ± 0.09	2.50
2460466.041 (2024-Jun-4.541)	18.22 ± 0.07	1.94
2460466.114 (2024-Jun-4.614)	18.29 ± 0.07	2.32
2460466.206 (2024-Jun-4.706)	18.19 ± 0.08	2.11

Calibration: I = 27.40 - 2.5 log₁₀(ΔF + 5185.61)

Single lens fit parameters

t_max	=	JD 2460181.45	±	0.02 UT (2023-Aug-24.95)
t_E	=	61.00	±	3.76 days
u₀	=	0.0258	±	0.0018
I_base	=	20.39	±	0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice