MOA 2023-BLG-464

Event Parameters

Internal ID:gb18-R-10-7338
Discovery date:2023-10-12T20:17:59
RA:18:13:59.48
Dec:-25:01:55.29
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
18463 18:13:59.42 -25:01:54.98 18.51 ± 0.12 0.96
18464 18:13:59.39 -25:01:59.62 19.18 ± 0.08 4.06
18475 18:13:59.37 -25:01:56.57 18.23 ± 0.07 1.20
18511 18:13:59.26 -25:01:52.68 18.70 ± 0.05 4.20

Last 5 photometry measurements

Observation dateI magseeing
2460610.878 (2024-Oct-27.378) 16.81 ± 0.37 5.53
2460610.915 (2024-Oct-27.415) 16.92 ± 0.30 5.25
2460611.890 (2024-Oct-28.390) 18.03 ± 0.35 4.74
2460611.925 (2024-Oct-28.425) 16.40 ± 0.39 5.93
2460614.883 (2024-Oct-31.383) 16.72 ± 0.43 5.67

Calibration: I = 27.40 - 2.5 log10(ΔF + 3600.81)

Single lens fit parameters

tmax =JD 2460231.45 ± 0.07 UT (2023-Oct-13.95)
tE =12.69 ± 1.54 days
u0 =0.0849 ± 0.0307
Ibase =18.65 ± 0.12

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice