MOA 2023-BLG-488

Event Parameters

Internal ID:gb1-R-3-31714
Discovery date:2023-10-28T11:12:11
RA:17:45:01.59
Dec:-34:09:29.62
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
119936 17:45:01.39 -34:09:27.26 18.58 ± 0.06 3.71
120007 17:45:01.51 -34:09:25.68 15.85 ± 0.02 3.85
120173 17:45:01.90 -34:09:31.68 20.14 ± 0.36 4.45
120174 17:45:01.90 -34:09:28.89 16.47 ± 0.03 3.47

Last 5 photometry measurements

Observation dateI magseeing
2460610.905 (2024-Oct-27.405) 99.99 ± 99.99 5.01
2460610.936 (2024-Oct-27.436) 20.30 ± 1.62 4.69
2460611.881 (2024-Oct-28.381) 20.44 ± 1.02 3.98
2460611.917 (2024-Oct-28.417) 99.99 ± 99.99 4.87
2460614.881 (2024-Oct-31.381) 21.75 ± 8.46 4.58

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

Single lens fit parameters

tmax =JD 2460247.17 ± 0.37 UT (2023-Oct-29.67)
tE =22.30 ± 9.77 days
u0 =0.0180 ± 0.0276
Ibase =20.54 ± 0.18

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice