MOA 2023-BLG-207

Event Parameters

Internal ID:gb9-R-2-242780
Discovery date:2023-05-22T16:25:57
RA:17:59:50.07
Dec:-28:56:45.83
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
43236 17:59:49.89 -28:56:44.73 16.17 ± 0.10 3.21
43308 17:59:50.10 -28:56:45.34 16.73 ± 0.10 0.26
43347 17:59:50.17 -28:56:48.03 18.20 ± 0.20 2.98
43376 17:59:50.26 -28:56:43.45 15.98 ± 0.17 2.64

Last 5 photometry measurements

Observation dateI magseeing
2460611.919 (2024-Oct-28.419) 16.53 ± 0.09 5.50
2460611.928 (2024-Oct-28.428) 16.50 ± 0.07 4.71
2460614.863 (2024-Oct-31.363) 16.46 ± 0.07 5.25
2460614.869 (2024-Oct-31.369) 16.72 ± 0.05 4.82
2460614.873 (2024-Oct-31.373) 16.53 ± 0.07 5.38

Calibration: I = 27.40 - 2.5 log10(ΔF + 18603.73)

Single lens fit parameters

tmax =JD 2460104.25 ± 0.05 UT (2023-Jun-8.75)
tE =26.24 ± 1.19 days
u0 =0.4606 ± 0.0326
Ibase =16.51 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice