MOA 2019-BLG-131

Event Parameters

Internal ID:gb9-R-9-105904
Discovery date:2019-04-08T18:49:50
RA:18:00:15.14
Dec:-28:57:55.17
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
154045 18:00:15.30 -28:57:55.69 17.50 ± 0.13 2.74
154090 18:00:15.20 -28:57:54.70 18.18 ± 0.20 1.81
154120 18:00:15.15 -28:57:59.75 15.68 ± 0.08 4.20
154194 18:00:14.94 -28:57:53.44 18.37 ± 0.18 3.20

Last 5 photometry measurements

Observation dateI magseeing
2460246.884 (2023-Oct-29.384) 20.71 ± 2.28 3.53
2460246.896 (2023-Oct-29.396) 21.57 ± 4.70 3.22
2460246.906 (2023-Oct-29.406) 99.99 ± 99.99 3.54
2460246.918 (2023-Oct-29.418) 21.78 ± 8.63 3.63
2460246.927 (2023-Oct-29.427) 19.62 ± 1.24 3.56

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

Single lens fit parameters

tmax =JD 2458587.13 ± 0.00 UT (2019-Apr-13.63)
tE =173.39 ± 17.46 days
u0 =0.0014 ± 0.0002
Ibase =22.17 ± 0.31

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice