MOA 2023-BLG-031

Event Parameters

Internal ID:gb16-R-8-12060
Discovery date:2023-03-02T15:18:38
RA:18:12:52.86
Dec:-29:22:39.39
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
165953 18:12:52.92 -29:22:38.36 16.40 ± 0.06 2.22
166002 18:12:52.84 -29:22:35.39 17.13 ± 0.15 4.76
166026 18:12:52.81 -29:22:43.29 17.61 ± 0.14 3.41
166046 18:12:52.76 -29:22:41.44 17.65 ± 0.14 1.67
166084 18:12:52.65 -29:22:36.08 16.90 ± 0.15 4.59
166105 18:12:52.63 -29:22:42.65 17.09 ± 0.07 3.71

Last 5 photometry measurements

Observation dateI magseeing
2460610.883 (2024-Oct-27.383) 19.59 ± 1.17 5.27
2460610.926 (2024-Oct-27.426) 19.28 ± 0.69 4.88
2460611.904 (2024-Oct-28.404) 23.52 ± 32.77 5.03
2460611.936 (2024-Oct-28.436) 99.99 ± 99.99 4.62
2460614.888 (2024-Oct-31.388) 18.94 ± 0.68 5.44

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

Single lens fit parameters

tmax =JD 2460005.77 ± 0.05 UT (2023-Mar-2.27)
tE =25.40 ± 4.10 days
u0 =0.0428 ± 0.0115
Ibase =20.05 ± 0.22

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice