MOA 2023-BLG-128

Event Parameters

Internal ID:gb15-R-9-13667
Discovery date:2023-04-18T17:12:29
RA:18:07:01.16
Dec:-25:20:28.21
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
56727 18:07:01.36 -25:20:27.37 19.71 ± 0.10 3.63
56811 18:07:01.15 -25:20:24.81 19.10 ± 0.10 4.16
56832 18:07:01.12 -25:20:28.79 19.28 ± 0.06 0.05
56865 18:07:01.01 -25:20:30.68 19.94 ± 0.14 2.49
56907 18:07:00.90 -25:20:27.05 19.05 ± 0.06 3.63

Last 5 photometry measurements

Observation dateI magseeing
2460244.911 (2023-Oct-27.411) 99.99 ± 99.99 3.59
2460245.866 (2023-Oct-28.366) 18.85 ± 0.38 3.31
2460245.909 (2023-Oct-28.409) 19.97 ± 1.42 3.42
2460246.865 (2023-Oct-29.365) 20.11 ± 1.18 3.61
2460246.912 (2023-Oct-29.412) 99.99 ± 99.99 3.71

Calibration: I = 27.40 - 2.5 log10(ΔF + 1776.64)

Single lens fit parameters

tmax =JD 2460055.99 ± 0.01 UT (2023-Apr-21.49)
tE =28.58 ± 1.11 days
u0 =0.0860 ± 0.0040
Ibase =19.18 ± 0.16

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice