MOA 2022-BLG-551

Event Parameters

Internal ID:gb8-R-9-34383
Discovery date:2022-10-12T11:16:57
RA:18:00:57.53
Dec:-30:34:46.04
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
58668 18:00:57.83 -30:34:47.53 19.97 ± 0.49 4.78
58731 18:00:57.54 -30:34:49.21 18.25 ± 0.09 2.79
58749 18:00:57.64 -30:34:42.74 18.35 ± 0.15 4.60
58764 18:00:57.54 -30:34:45.88 18.40 ± 0.19 1.12
58857 18:00:57.40 -30:34:47.42 15.39 ± 0.10 1.34
58858 18:00:57.41 -30:34:51.26 16.40 ± 0.10 4.93
58989 18:00:57.12 -30:34:45.74 15.80 ± 0.13 4.87

Last 5 photometry measurements

Observation dateI magseeing
2460536.995 (2024-Aug-14.495) 19.02 ± 0.39 2.49
2460537.035 (2024-Aug-14.535) 99.99 ± 99.99 3.17
2460537.070 (2024-Aug-14.570) 18.63 ± 0.60 4.13
2460537.107 (2024-Aug-14.607) 17.82 ± 0.59 4.94
2460537.137 (2024-Aug-14.637) 19.84 ± 5.99 5.40

Calibration: I = 27.40 - 2.5 log10(ΔF + 3977.41)

Single lens fit parameters

tmax =JD 2459865.07 ± 0.01 UT (2022-Oct-12.57)
tE =7.55 ± 0.31 days
u0 =0.0353 ± 0.0025
Ibase =18.18 ± 0.19

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice