MOA 2023-BLG-381

Event Parameters

Internal ID:gb17-R-6-31786
Discovery date:2023-08-17T11:44:02
RA:18:12:04.13
Dec:-28:07:24.40
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
93464 18:12:04.31 -28:07:24.86 17.10 ± 0.14 3.21
93578 18:12:04.11 -28:07:24.48 17.69 ± 0.23 0.68
93609 18:12:04.06 -28:07:28.52 19.26 ± 0.32 3.73
93696 18:12:03.91 -28:07:22.09 17.77 ± 0.11 3.86
93697 18:12:03.91 -28:07:24.75 17.74 ± 0.09 2.38
93717 18:12:03.86 -28:07:27.37 17.96 ± 0.08 3.92
93804 18:12:03.77 -28:07:24.30 18.02 ± 0.11 4.30

Last 5 photometry measurements

Observation dateI magseeing
2460610.879 (2024-Oct-27.379) 16.62 ± 0.15 5.27
2460610.916 (2024-Oct-27.416) 17.72 ± 0.42 5.01
2460611.891 (2024-Oct-28.391) 17.54 ± 0.09 4.31
2460611.926 (2024-Oct-28.426) 18.26 ± 1.09 5.37
2460614.884 (2024-Oct-31.384) 99.99 ± 99.99 5.28

Calibration: I = 27.40 - 2.5 log10(ΔF + 7684.22)

Single lens fit parameters

tmax =JD 2460187.99 ± 0.03 UT (2023-Aug-31.49)
tE =29.10 ± 0.75 days
u0 =0.2543 ± 0.0093
Ibase =17.61 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice