MOA 2023-BLG-259

Event Parameters

Internal ID:gb13-R-4-98659
Discovery date:2023-06-12T09:50:16
RA:18:05:44.15
Dec:-29:40:43.20
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
85790 18:05:44.18 -29:40:42.39 15.42 ± 0.06 0.28
85843 18:05:44.26 -29:40:46.66 15.51 ± 0.05 4.30
85902 18:05:44.35 -29:40:43.85 17.16 ± 0.14 2.56
86029 18:05:44.55 -29:40:41.75 18.42 ± 0.15 4.88

Last 5 photometry measurements

Observation dateI magseeing
2460245.887 (2023-Oct-28.387) 15.38 ± 0.02 3.29
2460245.920 (2023-Oct-28.420) 15.36 ± 0.02 3.59
2460246.857 (2023-Oct-29.357) 15.34 ± 0.02 3.48
2460246.890 (2023-Oct-29.390) 15.34 ± 0.01 3.53
2460246.924 (2023-Oct-29.424) 15.37 ± 0.02 3.74

Calibration: I = 27.40 - 2.5 log10(ΔF + 62058.32)

Single lens fit parameters

tmax =JD 2460132.99 ± 0.01 UT (2023-Jul-7.49)
tE =12.64 ± 0.13 days
u0 =0.5055 ± 0.0099
Ibase =15.08 ± 0.24

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice