MOA 2022-BLG-550

Event Parameters

Internal ID:gb1-R-5-64768
Discovery date:2022-10-11T12:38:56
RA:17:45:10.73
Dec:-35:00:47.93
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
19637 17:45:10.43 -35:00:47.83 17.28 ± 0.08 4.48
19726 17:45:10.68 -35:00:46.28 19.25 ± 0.12 1.62
19818 17:45:10.89 -35:00:44.36 19.30 ± 0.20 3.58
19878 17:45:11.09 -35:00:48.28 18.38 ± 0.08 4.14
19898 17:45:11.12 -35:00:46.52 17.91 ± 0.07 4.59

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 20.60 ± 2.67 3.83
2460245.937 (2023-Oct-28.437) 21.02 ± 4.66 4.08
2460246.859 (2023-Oct-29.359) 19.04 ± 0.39 3.89
2460246.892 (2023-Oct-29.392) 19.17 ± 0.53 3.88
2460246.926 (2023-Oct-29.426) 99.99 ± 99.99 3.91

Calibration: I = 27.40 - 2.5 log10(ΔF + 0.00)

Single lens fit parameters

tmax =JD 2459863.81 ± 0.04 UT (2022-Oct-11.31)
tE =37.93 ± 3.11 days
u0 =0.0247 ± 0.0025
Ibase =20.13 ± 0.15

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice