MOA 2023-BLG-133

Event Parameters

Internal ID:gb4-R-8-84650
Discovery date:2023-04-19T18:45:01
RA:17:54:17.81
Dec:-30:55:19.53
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
88295 17:54:17.80 -30:55:22.52 18.02 ± 0.14 2.54
88320 17:54:17.75 -30:55:19.05 15.73 ± 0.05 1.11
88401 17:54:17.56 -30:55:22.51 15.81 ± 0.07 3.64
88442 17:54:17.47 -30:55:18.03 17.48 ± 0.10 4.45

Last 5 photometry measurements

Observation dateI magseeing
2460246.887 (2023-Oct-29.387) 15.72 ± 0.06 3.29
2460246.898 (2023-Oct-29.398) 15.76 ± 0.06 2.88
2460246.909 (2023-Oct-29.409) 15.71 ± 0.06 3.23
2460246.920 (2023-Oct-29.420) 15.72 ± 0.07 3.49
2460246.929 (2023-Oct-29.429) 15.64 ± 0.06 3.57

Calibration: I = 27.40 - 2.5 log10(ΔF + 46387.40)

Single lens fit parameters

tmax =JD 2460059.13 ± 0.01 UT (2023-Apr-24.63)
tE =22.06 ± 0.88 days
u0 =0.1229 ± 0.0055
Ibase =18.68 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice