MOA 2023-BLG-239

Event Parameters

Internal ID:gb1-R-3-30738
Discovery date:2023-06-07T19:39:57
RA:17:46:06.97
Dec:-34:09:39.95
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
152157 17:46:06.69 -34:09:41.52 18.86 ± 0.22 4.85
152236 17:46:06.81 -34:09:42.95 19.44 ± 0.26 4.61
152307 17:46:07.02 -34:09:42.16 19.03 ± 0.23 2.90
152403 17:46:07.13 -34:09:42.61 18.85 ± 0.13 3.63
152404 17:46:07.15 -34:09:35.78 16.77 ± 0.10 4.06
152426 17:46:07.20 -34:09:39.07 16.53 ± 0.08 2.36
152492 17:46:07.34 -34:09:37.05 17.96 ± 0.13 4.70

Last 5 photometry measurements

Observation dateI magseeing
2460245.923 (2023-Oct-28.423) 99.99 ± 99.99 3.55
2460245.937 (2023-Oct-28.437) 22.48 ± 15.40 3.64
2460246.859 (2023-Oct-29.359) 22.75 ± 11.47 3.74
2460246.892 (2023-Oct-29.392) 99.99 ± 99.99 3.69
2460246.926 (2023-Oct-29.426) 20.08 ± 1.51 3.69

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

Single lens fit parameters

tmax =JD 2460111.69 ± 0.09 UT (2023-Jun-16.19)
tE =2.12 ± 5.22 days
u0 =10.0657 ± 7.4400
Ibase =9.35 ± 0.23

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice