MOA 2022-BLG-451

Event Parameters

Internal ID:gb12-R-9-24287
Discovery date:2022-08-22T05:08:09
RA:18:06:40.16
Dec:-30:39:17.09
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
161866 18:06:40.31 -30:39:18.57 16.96 ± 0.05 2.77
161867 18:06:40.29 -30:39:21.25 16.74 ± 0.08 4.38
161882 18:06:40.23 -30:39:14.48 18.63 ± 0.10 3.65
161929 18:06:40.15 -30:39:17.48 16.10 ± 0.02 0.58
162038 18:06:39.94 -30:39:14.67 17.99 ± 0.05 3.87

Last 5 photometry measurements

Observation dateI magseeing
2460244.915 (2023-Oct-27.415) 16.17 ± 0.04 4.26
2460245.869 (2023-Oct-28.369) 16.15 ± 0.03 3.10
2460245.912 (2023-Oct-28.412) 16.11 ± 0.03 3.28
2460246.868 (2023-Oct-29.368) 16.09 ± 0.03 3.57
2460246.916 (2023-Oct-29.416) 16.13 ± 0.03 3.26

Calibration: I = 27.40 - 2.5 log10(ΔF + 33113.11)

Single lens fit parameters

tmax =JD 2459811.25 ± 0.02 UT (2022-Aug-19.75)
tE =4.15 ± 0.50 days
u0 =0.2534 ± 0.0638
Ibase =17.42 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice