MOA 2023-BLG-391

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

starIDRADecmagseparation
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 dateI magseeing
2460610.883 (2024-Oct-27.383) 18.53 ± 0.50 5.12
2460610.926 (2024-Oct-27.426) 18.75 ± 0.43 4.70
2460611.904 (2024-Oct-28.404) 19.30 ± 0.81 5.02
2460611.936 (2024-Oct-28.436) 18.03 ± 0.20 4.58
2460614.888 (2024-Oct-31.388) 18.27 ± 0.42 5.31

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

Single lens fit parameters

tmax =JD 2460181.45 ± 0.02 UT (2023-Aug-24.95)
tE =61.00 ± 3.76 days
u0 =0.0258 ± 0.0018
Ibase =20.39 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice