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
2460245.888 (2023-Oct-28.388) 18.66 ± 0.33 3.60
2460245.921 (2023-Oct-28.421) 19.35 ± 0.83 3.69
2460246.858 (2023-Oct-29.358) 18.56 ± 0.29 3.65
2460246.891 (2023-Oct-29.391) 18.50 ± 0.30 3.72
2460246.925 (2023-Oct-29.425) 99.99 ± 99.99 3.52

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